Achievements

Domestic Conference Presentation

• F. Köster, K. Kanno, and A. Uchida, “Universal Prediction of Chaotic Attractors with an Attention-Enhanced Reservoir Computing”, The 2025 IEICE General Conference, Setagaya Campus, Tokyo City University, Tokyo, Japan, 2025/3/28, Internationally Co-authored.
• K. Ishimine, Y. Fujii, T. Yahagi, and A. Uchida, “Investigation of correlation values for parameter changes in common-signal-induced synchronization using semiconductor lasers”, The 2025 IEICE General Conference, Setagaya Campus, Tokyo City University, Tokyo, Japan, 2025/3/28.
• T. Ito, K. Kanno, S. Kawakami, and A. Uchida, “Investigation of the performance of approximate reservoir computing using light”, The 2025 IEICE General Conference, Setagaya Campus, Tokyo City University, Tokyo, Japan, 2025/3/28, Joint Research by A02/B01.
• Y. Tsurumi, T. Hokari, and A. Uchida, “Experiment of parallel physical random number generation using complex electric field dynamics of two chaotic semiconductor lasers”, The 2025 IEICE General Conference, Setagaya Campus, Tokyo City University, Tokyo, Japan, 2025/3/28.
• S. Sunada, T. Niiyama, K. Kanno, A. Uchida, and A. Röhm, “Noise-Robust Physical Neural Networks Driven by Random Forces”, The 2025 Spring Meeting of the Physical Society of Japan, Online, 2025/3/19, Joint Research by B01/B03/C01.
• Y. Tsurumi, T. Hokari, and A. Uchida, “Experimental Physical Random Number Generation Using Coherent Detection for Two Semiconductor Lasers with Optical Feedback”, IEICE Complex Communication Sciences (CCS) Conference 2025, Rusutsu Resort Hotel & Convention, Rusutsu, Hokkaido, Japan, 2025/3/18.
• T. Ito, K. Kanno, S. Kawakami, and A. Uchida, “Evaluation of prediction performance and consumption energy of approximate reservoir computing using a semiconductor laser”, IEICE Complex Communication Sciences (CCS) Conference 2025, Rusutsu Resort Hotel & Convention, Rusutsu, Hokkaido, Japan, 2025/3/18, Joint Research by A02/B01.
• Y. Ito, T. Niiyama, T. Asai, G. Tanaka, A. Uchida, and S. Sunada, “Seeing fast through slow: Physical reservoir sensing for capturing high-speed dynamics”, The 72nd JSAP Spring Meeting 2025, Noda Campus, Tokyo University of Science, Noda, Japan, 2025/3/17, Joint Research by B01/C01.
• A. Uchida, “Computing mechanism based on ultimate nature of light”, The Second Open Symposium on Photonic Computing “Photonics for Computing & Computing for Photonics”, National Institute of Information and Communications Technology, Koganei, Japan, 2024/12/17.
• A. Uchida, “Recent Technologies in Photonic Reservoir Computing and Decision Making”, Optics & Photonics Japan 2024 (OPJ 2024), The University of Electro-Communications, Chofu, Japan, 2024/11/29, Invited, Project-Organized.
• S. Sunada and K. Kanno, “Fundamentals of Physical Reservoir Computing and Its Applications to Data Analysis and Implementation on Edge Devices and Sensors”, Online Seminar by Nihon Techno Center, 2024/9/30, Joint research by B01/C01.
• M. Tsuboi, T. Mihana, A. Röhm, K. Kanno, and R. Horisaki, “Photonic decision-making using polarization-switching by VCSEL”, The 85th JSAP Autumn Meeting 2024, TOKI MESSE, Niigata, Japan, 2024/9/19, Joint research by B01/B03.
• D. Saito, Y. Tsurumi, R. Iwami, and A. Uchida, “Bandwidth enhancement and random number generation in a multimode semiconductor laser by optical injection”, The 85th JSAP Autumn Meeting 2024, TOKI MESSE, Niigata, Japan, 2024/9/19.
• R. Ito, R. Iwami, and A. Uchida, “Observation of burst optical pulse in a gain-switching semiconductor laser”, The 85th JSAP Autumn Meeting 2024, TOKI MESSE, Niigata, Japan, 2024/9/19.
• Y. Fujii and A. Uchida, “Secure computation with optical pass-gate logic using three optical switches”, The 85th JSAP Autumn Meeting 2024, TOKI MESSE, Niigata, Japan, 2024/9/19.
• S. Park, K. Takehana, and A. Uchida, “Decision making for multi-armed bandit problem using dynamics in complex networks”, The 85th JSAP Autumn Meeting 2024, TOKI MESSE, Niigata, Japan, 2024/9/19.
• K. Kase, A. Kawakami, and A. Uchida, “Replication of laser dynamics with noise using reservoir computing”, The 85th JSAP Autumn Meeting 2024, TOKI MESSE, Niigata, Japan, 2024/9/17.
• K. Ishimine and A. Uchida, “Investigation of phase synchronization between drive and response light in common-signal-induced synchronization using broadband noise signal”, The 2024 IEICE Society Conference, Saitama Campus, the Nippon Institute of Technology, Miyashiro-machi, Saitama Pref., Japan, 2024/9/12.
• Y. Tsurumi, S. Kudo, K. Kanno, and A. Uchida, “Experiment on parallel random number generation using intensity and phase dynamics of semiconductor lasers”, The 2024 IEICE Society Conference, Saitama Campus, the Nippon Institute of Technology, Miyashiro-machi, Saitama Pref., Japan, 2024/9/12.
• T. Ito, K. Kanno, S. Kawakami, and A. Uchida, “Evaluation of approximate reservoir computing using a semiconductor laser”, The 2024 IEICE Society Conference, Saitama Campus, the Nippon Institute of Technology, Miyashiro-machi, Saitama Pref., Japan, 2024/9/12, Joint research by A02/B01.
• Y. Tsurumi, S. Kudo, K. Kanno, and A. Uchida, “Experiment on bandwidth enhancement of chaos and parallel random-number generation using coupled semiconductor lasers with frequency detuning”, IEICE Complex Communication Sciences (CCS) Conference 2024, GLASS PYRAMID, MOERENUMA PARK, Sapporo, Japan, 2024/7/30.
• K. Kase, A. Kawakami, and A. Uchida, “Replication of chaotic attractor in a laser and noise reduction using reservoir computing”, IEICE Complex Communication Sciences (CCS) Conference 2024, GLASS PYRAMID, MOERENUMA PARK, Sapporo, Japan, 2024/7/29.
• T. Ito, K. Kanno, S. Kawakami, and A. Uchida, “Estimation of quantization and consumption energy in approximate reservoir computing”, IEICE Complex Communication Sciences (CCS) Conference 2024, GLASS PYRAMID, MOERENUMA PARK, Sapporo, Japan, 2024/7/29, Joint research by A02/B01.
• Y. Fujii and A. Uchida, “Secure computation with garbled circuits using optical pass-gate logic”, IEICE NOLTA Society Conference 2024, West Japan General Exhibition Center, Kitakyushu, Japan, 2024/6/8.
• S. Ohara, K. Kanno, A. Uchida, and H. Kurokawa, “Influence of dynamical property in transition prediction of local attractors of intermittent chaos”, IEICE NOLTA Society Conference 2024, West Japan General Exhibition Center, Kitakyushu, Japan, 2024/6/8.
• T. Ito, K. Kanno, S. Kawakami, and A. Uchida, “Quantization and evaluation of approximate reservoir computing using light”, IEICE NOLTA Society Conference 2024, West Japan General Exhibition Center, Kitakyushu, Japan, 2024/6/8, Joint research by A02/B01.
• D. Saito, Y. Tsurumi, R. Iwami, and A. Uchida, “Experiment on bandwidth enhancement and random number generation in optically injected multimode semiconductor laser”, IEICE NOLTA Society Conference 2024, West Japan General Exhibition Center, Kitakyushu, Japan, 2024/6/8.
• S. Park, K. Takehana, and A. Uchida, “Decision making using spatiotemporal optical dynamics based on complex networks”, IEICE NOLTA Society Conference 2024, West Japan General Exhibition Center, Kitakyushu, Japan, 2024/6/8.
• K. Kase, A. Kawakami, and A. Uchida, “Replication of chaotic attractor in a semiconductor laser using reservoir computing”, IEICE NOLTA Society Conference 2024, West Japan General Exhibition Center, Kitakyushu, Japan, 2024/6/8.
• R. Ito, R. Iwami, and A. Uchida, “Investigation of nonlinear dynamics in gain-switching semiconductor lasers”, IEICE NOLTA Society Conference 2024, West Japan General Exhibition Center, Kitakyushu, Japan, 2024/6/8.
• Y. Nagatsuka, R. Nogami, T. Niiyama, S. Sunada, A. Uchida, and K. Kanno, “Dependence of classification performance on alternative nonlinear functions for augmented DFA in deep neural network based on delayed dynamical systems, IEICE NOLTA Society Conference 2024, West Japan General Exhibition Center, Kitakyushu, Japan, 2024/6/8, Joint research by B01/C01.

Awards

• T. Ito, “Student Paper Award”, The 2024 International Symposium on Nonlinear Theory and Its Applications (NOLTA 2024), NOLTA Society, IEICE, 2024/12/6, Joint research by A02/B01.
• Y. Tsurumi, “Best Student Paper Award”, International Symposium on Physics and Applications of Laser Dynamics 2024 (IS-PALD 2024), 2024/11/7.
• S. Park, “Best Student Paper Award”, International Symposium on Physics and Applications of Laser Dynamics 2024 (IS-PALD 2024), 2024/11/7.

Patents

• S. Sunada, Y. Ito, T. Asai, G. Tanaka, and A. Uchida, “Broadband Signal Measuring Device”, Patent Application No. 2025-30184, 2025/2/27, Joint research by B01/C01.

Press Release, etc.

• “AI computation with light scattering phenomenon, ultra-high-speed processing with almost zero power consumption”, Nikkei XTECH, 2024/12/19, Joint research by B01/C01.

Organization of Plenary Meetings, Symposia, etc.

• A. Uchida (General Chair), “International Symposium on Physics and Applications of Laser Dynamics 2024 (IS-PALD 2024)”, Omiya Sonic City, Saitama, Japan, 2024/11/5-7, 90 (Onsite) Participants.
• A. Uchida and S. Sunada (Organizing Committee Member), The 85th JSAP Autumn Meeting 2024 Symposium “Crossover between Photonic Computing and AI: From New Trends to Applications”, TOKI MESSE, Niigata, Japan, 2024/9/18, 100 (Onsite) Participants.

Papers

• Y. Yi, T. Umezawa, K. Akahane, and T. Kawanishi, “Thermal Study for High-Photocurrent Photodetector in Non-Saturation Region Using Thin Substrate, Thin Absorber, and Flip-Chip Bonding Process”, IEEE Access, Vol. 12, pp. 56414‒56421, 2023/4/19, 10.1109/ACCESS.2024.3391336.

International Conference Presentation

• T. Matsuki, A. Matsumoto, S. Nakajima, T. Umezawa, C. H. Cheng, K. Akahane, N. Yamamoto, and T. Kawanishi, “Enhanced Performance of 1.55-μm-Band QD-RSOA by Improving Injection Current Uniformity and Heat Dissipation through Wire Bonding”, 2024 IEEE 29th International Semiconductor Laser Conference (ISLC 2024), Orlando, Florida, USA, 2024/10/1.
• Y. Yi, T. Umezawa, K. Akahane, and T. Kawanishi, “40 mA High-Current Photodetector Operating at 43 GHz and Thermal Study of its Critical Point and Temperature Variations”, 2024 International Topical Meeting on Microwave Photonics (MWP 2024), Pisa, Italy, 2024/9/17.
• C. Zheng, Y. Zhou, K. Inagaki, and T. Kawanishi, “Utilizing FPGA-Generated Noise for Laser Phase Modulation to Achieve Linewidth Tuning”, The 16th Pacific Rim Conference on Lasers and Electro-Optics (CLEO-PR 2024), Incheon, South Korea, 2024/8/9, Internationally Co-authored.
• Q. Huang, Y. Tane, and T. Kawanishi, “Real-Time RF Phase Measurement Using Single Sideband Modulation of Mach-Zehnder Modulators”, The 29th Opto-Electronics and Communications Conference 2024 (OECC 2024), Melbourne, Australia, 2024/7/4.
• T. Aritomi, Q. Huang, and T. Kawanishi, “Measurement of crosstalk between electrodes of a dual-parallel Mach-Zehnder modulator”, The 29th Opto-Electronics and Communications Conference 2024 (OECC 2024), Melbourne, Australia, 2024/7/1.
• T. Matsuki, A. Matsumoto, S. Nakajima, T. Umezawa, C. H. Cheng, K. Akahane, N. Yamamoto, and T. Kawanishi, “Investigation of device length dependence of 1.55-µm-band QD-RSOA in threshold current of SiPh-based heterogeneous tunable laser”, Compound Semiconductor Week 2024 (CSW2024), Lund University, Lund, Sweden, 2024/6/5.

Domestic Conference Presentation

• H. Shinya, T. Umezawa, N. Yamamoto, K. Akahane, and T. Kawanishi “Surface-Illuminated InGaAs-InAlAs MQW Electro-Absorption Modulator”, The 2025 IEICE General Conference, Setagaya Campus, Tokyo City University, Tokyo, Japan, 2025/3/26.
• R. Nishidono, S. Saito, J. Chakarothai, K. Inagaki, and T. Kawanishi, “The effect of antenna gain on terahertz wave scattering measurement by random surfaces”, IEICE Microwave Photonics and Terahertz Photonic-Electronics Technologies (MWPTHz) Conference 2025, Arcrea HIMEJI, Himeji, Japan, 2025/1/23.
• I. Morita, “Research on photonic computing highlighting the ultimate nature of light”, IEICE Photonic Network (PN) Conference 2024, Beppu International Convention Center, Beppu, Japan, 2024/11/18, Invited.
• T. Matsuki, A. Matsumoto, S. Nakajima, T. Umezawa, C. H. Cheng, K. Akahane, N. Yamamoto, and T. Kawanishi, “Investigation of device length dependence of 1.55-µm-band QD-RSOA in threshold current of SiPh-based heterogeneous tunable laser”, The 85th JSAP Autumn Meeting 2024, TOKI MESSE, Niigata, Japan, 2024/9/18.
• T. Takabuchi and I. Morita, “Evaluation of Transmission Throughput Increase Using Approximate Communication”, The 2024 IEICE Society Conference, Saitama Campus, the Nippon Institute of Technology, Miyashiro-machi, Saitama Pref., Japan, 2024/9/12.

Press Release, etc.

• “Explosion of data in the generative AI era: Light as a savior? ‘Optoelectronic fusion’ reduces power consumption”, Asahi Shimbun Digital, 2024/7/26, Head Investigator/Principal Investigator of Project B02.

Papers

• R. Horie, K. Uchiyama, K. Uchida, and H. Hori, “Electronic imaging of photoisomerisation process in photochromic crystals with scanning tunnelling spectroscopy”, Scientific Reports, Vol. 15, Article No. 5416, 2025/2/13, 10.1038/s41598-025-87865-0.
• S. Sunada, T. Niiyama, K. Kanno, R. Nogami, A. Röhm, T. Awano, and A. Uchida, “Blending optimal control and biologically plausible learning for noise-robust physical neural networks”, Physical Review Letters, Vol. 134, Issue 1, pp. 017301‒1‒6, 2025/1/7, 10.1103/PhysRevLett.134.017301, Joint research by B01/B03/C01.
• S. Kotoku, T. Mihana, A. Röhm, and R. Horisaki, “Decentralized multiagent reinforcement learning algorithm using a cluster-synchronized laser network”, Physical Review E, Vol. 110, Issue 6, pp. 064212‒1‒11, 2024/12/11, 10.1103/PhysRevE.110.064212.
• R. Mashiko, M. Naruse, and R. Horisaki, “Diffraction casting”, Advanced Photonics, Vol. 6, Issue 5, pp. 056005‒1‒14, 2024/10/3, 10.1117/1.AP.6.5.056005.
• R. Shiromae, Y. Nakagawa, S. Watanabe, R. Nishimura, M. Morimoto, S. Yokojima, S. Nakamura, and K. Uchida, “Reversible Change of Luster Color from Pale Yellow to Wine Red in Microcrystalline Film by Photochromic Diarylethene Having a Naphthyl Group”, CrystEngComm, Vol. 26, Issue 36, pp. 5090‒5098, 2024/9/28, 10.1039/D4CE00717D.
• T. Fujita, A. Li, Q. V. Do, T. Otsuka, S.-G. Jeong, W.-J. Hwang, H. Takesue, K. Inaba, K. Aihara, and M. Hasegawa, “Applying Coherent Ising Machines for Enhancing Communication Efficiency in Large-Scale UAV-Aided Networks”, IEEE Access, Vol. 12, pp. 136011‒136024, 2024/8/27, 10.1109/ACCESS.2024.3450539, Internationally Co-authored.
• K. Leibnitz, F. Peper, M. Hasegawa, and N. Wakamiya, “Performance Evaluation of Asynchronous Pulse Code Multiple Access in Massive IoT Networks”, IEEE Access, Vol. 12, pp. 100515‒100528, 2024/7/18, 10.1109/ACCESS.2024.3430548.
• H. Ando, A. Li, M. Arai, and M. Hasegawa, “Primary channel selection in dynamic channel bonding using laser chaos decision maker”, IEICE Communications Express, Vol. 13, Issue 12, pp. 454‒457, 2024/7/9, 10.23919/comex.2024COL0010.
• H. Shiratori, A. Röhm, T. Mihana, R. Horisaki, and M. Naruse, “Enlarged matrix method for stochastic decision making using orbital angular momenta”, Nonlinear Theory and Its Applications, IEICE, Vol. 15, Issue 3, pp. 519–537, 2024/7/1, 10.1587/nolta.15.519.
• Y. Hashimoto, A. Hase, A. Tani, R. Nishimura, Y. Hattori, H. Mayama, S. Yokojima, S. Nakamura, and K. Uchida, “Polymer Replica of Microcrystalline Surface with Dual Wettability, Mimicking a Termite Wing”, Polymer Journal, Vol. 56, Issue. 9, pp. 847‒853, 2024/6/6, 10.1038/s41428-024-00926-5.
• T. Maeda, Y. Nakagawa, R. Nishimura, M. Morimoto, S. Yokojima, S. Nakamura, and K. Uchida, “Molecular Design of Pyrene and its Derivatives to Make Microcrystalline Films with Silver Luster Effect using Drop-casting Method”, Crystal Growth & Design, Vol. 24, Issue 11, pp. 4563‒4571, 2024/5/22, 10.1021/acs.cgd.4c00218.
• Y. Shimizu, H. Sanada, K. Kitagawa, A. Oka, N. Ohta, T. Kawai, and K. Uchida, “Dynamic Change of Molecular Conformation Generating a Variation of Liquid Crystalline Phases for Triphenylene Mesogens with Peripheral Alkoxyazobenzenes”, Liquid Crystals, Vol. 51, Issue 13‒14, pp. 2313‒2320, 2024/5/7, 10.1080/02678292.2024.2349669.
• R. Iwami, T. Mihana, K. Kanno, M. Naruse, and A. Uchida, “Experimental control of mode-competition dynamics in a chaotic multimode semiconductor laser for decision making”, Optics Express, Vol. 32, Issue 10, pp. 17274‒17294, 2024/4/26, 10.1364/OE.517257, Joint research by B01/B03.
• M. Fujisawa, H. Yasuda, R. Isogai, M. Arai, Y. Yoshida, A. Li, S.-J. Kim, and M. Hasegawa, “An efficient beaconing of bluetooth low energy by decision making algorithm”, Discover Artificial Intelligence, Vol. 4, Article No. 26, 2024/4/15, 10.1007/s44163-024-00122-7.
• S. Kotoku, T. Mihana, A. Röhm, R. Horisaki, and M. Naruse, “Asymmetric leader-laggard cluster synchronization for collective decision-making with laser network”, Optics Express, Vol. 32, Issue 8, pp. 14300‒14320, 2024/4/3, 10.1364/OE.515261.

International Conference Presentation

• A. Röhm, R. Sai, T. Mihana, R. Horisaki, K. Kanno, and A. Uchida, “Digital twins for neuromorphic photonic edge devices”, SPIE Photonics West 2025, San Francisco, California, USA, 2025/1/30, Joint research by B01/B03.
• S. Ishibashi, M. Arai, A. Li, H. Takesue, K. Inaba, K. Aihara, and M. Hasegawa, “High-Speed Resource Allocation for Multi-User NOMA Systems Using a Coherent Ising Machine”, The 39th International Conference on Information Networking (ICOIN 2025), Chiang Mai, Thailand, 2025/1/16.
• A. Haruto, A. Li, M. Arai, and M. Hasegawa, “An Application of Laser Chaos Decision Maker to Primary Channel Selection in Dynamic Channel Bonding”, The 2024 International Symposium on Nonlinear Theory and Its Applications (NOLTA 2024), Ha long Bay, Vietnam, 2024/12/3.
• S. Naganuma, M. Arai, A. Li, H. Takesue, K. Inaba, K. Aihara, and M. Hasegawa, “High-Speed Optimization of Beam Allocation in MU-MIMO Using a Coherent Ising Machine”, The 2024 International Symposium on Nonlinear Theory and Its Applications (NOLTA 2024), Ha long Bay, Vietnam, 2024/12/3.
• T. Osada, H. Yasuda, S.-J. Kim, M. Arai, and M. Hasegawa, “A Study on Coupling Models of Nonlinear Oscillator Networks to Realize Decentralized TDMA”, The 2024 International Symposium on Nonlinear Theory and Its Applications (NOLTA 2024), Ha long Bay, Vietnam, 2024/12/3.
• H. Asano, M. Arai, and M. Hasegawa, “High-Speed Beam Alignment Using Laser Chaos Decision Maker for Maximizing Channel Capacity of Massive MIMO Systems”, The 2024 International Symposium on Nonlinear Theory and Its Applications (NOLTA 2024), Ha long Bay, Vietnam, 2024/12/3.
• S. Kotoku, T. Mihana, A. Röhm, and R. Horisaki, “Laser network collective decision-making harnessing chaotic leader-laggard cluster synchronization”, The 2024 International Symposium on Nonlinear Theory and Its Applications (NOLTA 2024), Ha long Bay, Vietnam, 2024/12/3.
• T. Yamagami, M. Hasegawa, T. Mihana, and R. Horisaki, “Stochastic Process Model for Photonic Decision-Maker”, The 2024 International Symposium on Nonlinear Theory and Its Applications (NOLTA 2024), Ha long Bay, Vietnam, 2024/12/3.
• K. Konaka, A. Röhm, T. Mihana, and R. Horisaki, “Scalable Conflict-free Decision Making Using Orbital Angular Momentum of Photons for Multiple Choices”, The 2024 International Symposium on Nonlinear Theory and Its Applications (NOLTA 2024), Ha long Bay, Vietnam, 2024/12/3.
•  M. Arai, T. Yamagami, T. Mihana, R. Horisaki, and M. Hasegawa, “A study on optimal beam selection using a multi-armed bandit algorithm based on a five-state quantum walk”, International Symposium on Physics and Applications of Laser Dynamics 2024 (IS-PALD 2024), Saitama, Japan, 2024/11/6.
• T. Yamagami, M. Hasegawa, T. Mihana, and R. Horisaki, “Stochastic process model for decision-making acceleration by negatively autocorrelated time sequences”, International Symposium on Physics and Applications of Laser Dynamics 2024 (IS-PALD 2024), Saitama, Japan, 2024/11/6.
• M. Arai, T. Yamagami, T. Mihana, R. Horisaki, and M. Hasegawa, “A study on optimal beam selection using a multi-armed bandit algorithm based on a five-state quantum walk”, International Symposium on Physics and Applications of Laser Dynamics 2024 (IS-PALD 2024), Saitama, Japan, 2024/11/6.
• S. Kotoku, T. Mihana, A. Röhm, and R. Horisaki, “Chaotic leader-laggard cluster synchronization in delay-coupled semiconductor lasers for multi-agent reinforcement learning”, International Symposium on Physics and Applications of Laser Dynamics 2024 (IS-PALD 2024), Saitama, Japan, 2024/11/6.
• H. Shiratori, A. Röhm, T. Yamagami, E. Segawa, T. Mihana, and R. Horisaki, “Conflict avoidance in two-walker quantum walk through entanglement”, International Symposium on Physics and Applications of Laser Dynamics 2024 (IS-PALD 2024), Saitama, Japan, 2024/11/6.
• R. Nomura, R. Isogai, Y. Imano, Y. Yoshida, H. Yasuda, S.-J. Kim, M. Arai, and M. Hasegawa, “Performance Improvement of Reinforcement Learning Based Energy-Efficient Beaconing Scheme for Bluetooth Low Energy”, The 7th International Workshop on Smart Wireless Communications (SmartCom 2024), Fraunhofer IPT, Aachen, Germany, 2024/11/4.
• M. Hasegawa, “Photonic AI Applied to Wireless Communication Systems”, The 5th Korea Artificial Intelligence Conference, Sono Calm Jeju, South Korea, 2024/9/26, Keynote.
• A. Röhm, F. Stelzer, S. Yanchuk, R. Vicente, I. Fischer, M. Naruse, T. Niiyama, and S. Sunada, “Folded-In-Time Deep Neural Networks: Multi-Delay Systems and Their Equivalence to Multi-Layer Perceptrons by Gradient Descent or Optimal Control”, 18th International Federation of Automatic Control (IFAC) Workshop on Time Delay System 2024, Udine, Italy, 2024/9/26, Internationally Co-authored, Invited, Joint Research by B03/C01.
• R. Mashiko, M. Naruse, and R. Horisaki, “Optical SIMD logic gate utilizing parallelism”, Frontiers in Optics + Laser Science 2024 (FiO LS 2024), Denver, Colorado, USA, 2024/9/23.
• M. Hasegawa, “Ultra-Fast Optimization Machines Applied to Wireless Communication Systems: Ising Machines and Photonic Computers”, The 1st International Workshop on Mobile Communications and Applications (IWMCA 2024), Hokkaido University, Sapporo, Japan, 2024/8/12, Keynote.
• S. Kotoku, T. Mihana, A. Röhm, R. Horisaki, and M. Naruse, “Chaotic leader-laggard cluster synchronization in laser networks for reinforcement learning”, Dynamics Days Europe 2024, Bremen, Germany, 2024/7/31.
• A. Röhm, K. Kanno, K. Takashima, H. Ishii, A. Uchida, and M. Naruse, “Reservoirs as driven dynamical systems”, Dynamics Days Europe 2024, Bremen, Germany, 2024/7/29, Joint Research by B01/B03.
• M. S. Horiuchi, A. Nakamura, F. Peper, K. Leibnitz, N. Wakamiya, M. Arai, W.-J. Hwang, and M. Hasegawa, “Enhancing Data Rate of Asynchronous Pulse Code Multiple Access for Massive IoT”, The 15th International Conference on Ubiquitous and Future Networks (ICUFN 2024), Budapest University of Technology and Economics (BME), Budapest, Hungary, 2024/7/2, Internationally Co-authored.

Domestic Conference Presentation

• K. Uchida, N. Maruyama, K. Morishita, and K. Sumaru, “Photo-controllable Poisoning and De-poisoning of Cell Culture by Using Photochromism”, The 105th CSJ Annual Meeting (2025), Senriyama Campus, Kansai University, Suita, Japan, 2025/3/28.
• N. Maruyama, K. Sumaru, K. Morishita, and K. Uchida, “Photoinduced cytotoxicity of Diarylethene derivatives with polar functional groups”, The 105th CSJ Annual Meeting (2025), Senriyama Campus, Kansai University, Suita, Japan, 2025/3/28.
• K. Midori, M. Norikazu, S. Kimio, M. Kana, and U. Kingo, “Imparting water solubility to cytotoxic photochromic diarylethenes”, The 105th CSJ Annual Meeting (2025), Senriyama Campus, Kansai University, Suita, Japan, 2025/3/28.
• A. Tani, R. Nishimura, S. Yokojima, S. Nakamura, and K. Uchida, “Photoswitching of elastic property of crystals of a diarylethene having isopropyl groups”, The 105th CSJ Annual Meeting (2025), Senriyama Campus, Kansai University, Suita, Japan, 2025/3/26.
• A. Oka, H. Sanada, N. Ohta, T. Kawai, K. Uchida, and Y. Shimizu, “Liquid crystal thermal phase transitions in alkyl homologues of alkoxyazobenzene triphenylene ether derivatives”, The 105th CSJ Annual Meeting (2025), Senriyama Campus, Kansai University, Suita, Japan, 2025/3/26.
• S. Sunada, T. Niiyama, K. Kanno, A. Uchida, and A. Röhm, “Noise-Robust Physical Neural Networks Driven by Random Forces”, The 2025 Spring Meeting of the Physical Society of Japan, Online, 2025/3/19, Joint Research by B01/B03/C01.
• K. Kurisu, R. Tsuboi, K. Fujimoto, H. Matsuzaki, K. Sekine, K. Wada, M. Hasegawa, S. Hara, S. Tanoi, and A. Kasamatsu, “Channel Selection in Wireless Communications Using a Mobile Terminal Device via a 2-armed bandit algorithm”, 2025 IEEJ Annual Meeting, Nakano Campus, Meiji University, Tokyo, Japan, 2025/3/18, Joint Research by B03/C02.
• H. Matsuzaki, K. Mori, K. Kurisu, K. Fujimoto, K. Wada, K. Sekine, M. Hasegawa, S. Hara, S. Tanoi, and A. Kasamatsu, “Design of an analog circuit based on a strategy for the two-armed bandit problem connected to an experimental machine for wireless LAN channel selection”, IEEJ 2025 Technical Meeting on Electronic Circuits, Omiya Campus, Shibaura Institute of Technology, Saitama, Japan, 2025/3/11, Joint Research by B03/C02.
• T. Yamagami, E. Segawa, A. Röhm, T. Mihana, and R. Horisaki, “Optimal Arm Identification on Graphs via Quantum Walk Search”, The 595th Research Meeting of the Laser Society of Japan: "Laser Chaos and Quantum Dynamics Inspired by Nature", The Kanazawa Chamber of Commerce and Industry, Kanazawa, Japan, 2025/2/28.
• H. Maeda, T. Mihana, A. Röhm, and R. Horisaki, “Investigation of Multimode Laser Dynamics Using Unsupervised Learning”, The 595th Research Meeting of the Laser Society of Japan: "Laser Chaos and Quantum Dynamics Inspired by Nature", The Kanazawa Chamber of Commerce and Industry, Kanazawa, Japan, 2025/2/28.
• R. Nomura, R. Isogai, Y. Imano, Y. Yoshida, H. Yasuda, S.-J. Kim, M. Arai, and M. Hasegawa, “Experimental Evaluation of Reinforcement Learning-Based Power Consumption Reduction Method for Bluetooth Low Energy Beaconing”, IEICE Nonlinear Problems (NLP) Conference 2025, Toyonaka Campus, Osaka University, Toyonaka, Japan, 2025/1/29.
• T. Mihana, “Optical Decision-Making System Based on Laser Networks”, The 45th Annual Meeting of the Laser Society of Japan, Hiroshima International Conference Center, Hiroshima, Japan, 2025/1/23, Invited.
• T. Yamagami, “Optimal Arm Identification on Graphs via Quantum Walk Search”, Ritsumeikan Mini Symposium on Quantum Walk and Related Fields, Biwako-Kusatsu Campus, Ritsumeikan University, Kusatsu, Japan, 2024/12/19, Invited.
• S. Naganuma, M. Arai, A. Li, and M. Hasegawa, “Optimization Method for MU-MIMO Using a Directivity Derivation Approach Based on Spherical Mode Expansion”, IEICE Short Range Wireless Communications (SRW) Conference 2024, Katsushika Campus, Tokyo University of Science, Tokyo, Japan, 2024/11/29.
• R. Horisaki, “Computational Imaging and Photonic Computing”, Optics & Photonics Japan 2024 (OPJ 2024), The University of Electro-Communications, Chofu, Japan, 2024/11/29, Invited, Project-Organized.
• R. Maeda, Y. Nakagawa, and K. Uchida, “Pyrene and Its Derivatives for the Fabrication of Microcrystalline Films with Metallic Luster via Drop-Casting Method”, The 43rd Solid-State and Surface Photochemistry Conference (SSPC), The Japanese Photochemistry Association, Tokushima University, Tokushima, Japan, 2024/11/21.
• D. Kojima, T. Osada, M. Arai, and M. Hasegawa, “Implementation and performance evaluation of an autonomous decentralized collision avoidance method for LoRa based on antiphase synchronization”, Conference of the IEICE Multiple Innovative Kenkyu-kai Association for wireless communications (MIKA2024), Okayama Convention Center, Okayama, Japan, 2024/10/28.
• I. Ikeda, K. Oshima, M. Arai, and M. Hasegawa, “Application of Deep Reinforcement Learning for Route Optimization in Satellite-to-Satellite Optical Communication”, Conference of the IEICE Multiple Innovative Kenkyu-kai Association for wireless communications (MIKA2024), Okayama Convention Center, Okayama, Japan, 2024/10/28.
• A. Tani, R. Nishimura, and K. Uchida, “Crystalline Photochromism of Diarylethenes Bearing an Amide Group”, The 32nd Organic Crystals Symposium, Organic Crystals Division, The Chemical Society of Japan, Institute of Science Tokyo, Tokyo, Japan, 2024/10/27.
• R. Horie, K. Uchiyama, K. Uchida, and H. Hori, “Nondestructive measurement of nano-photoisomerization of photochromic microcrystals using scanning tunneling spectroscopy”, The 85th JSAP Autumn Meeting 2024, TOKI MESSE, Niigata, Japan, 2024/9/20.
• H. Taira, T. Mihana, A. Röhm, K. Kanno, A. Uchida, R. Horisaki, and M. Naruse, “Acceleration of decision-making using leader-laggard relationship by optical frequency difference detection [Commemorative Lecture for the 56th (Spring 2024) JSAP Young Scientist Presentation Award]”, The 85th JSAP Autumn Meeting 2024, TOKI MESSE, Niigata, Japan, 2024/9/19, Invited.
• M. Tsuboi, T. Mihana, A. Röhm, K. Kanno, and R. Horisaki, “Photonic decision-making using polarization-switching by VCSEL”, The 85th JSAP Autumn Meeting 2024, TOKI MESSE, Niigata, Japan, 2024/9/19, Joint research by B01/B03.
• K. Tsuchiyama, R. Horisaki, K. Uchida, H. Hori, and K. Uchiyama, “Partial erasure of nano-photoisomerization memory in photochromic crystals”, The 85th JSAP Autumn Meeting 2024, TOKI MESSE, Niigata, Japan, 2024/9/18.
• R. Horie, K. Uchiyama, K. Uchida, and H. Hori, “Photoisomerization Chain in Photochromic Microcrystals Array induced by Local Photoexcitation”, The 85th JSAP Autumn Meeting 2024, TOKI MESSE, Niigata, Japan, 2024/9/18.
• T. Yamagami, E. Segawa, T. Mihana, A. Röhm, M. Naruse, and R. Horisaki, “Optimal Arm Identification in Spatially Structured Environments via Quantum Walk Search”, The 2nd Fukuchiyama Mathematical and Data Sciences Conference (Center for Mathematical and Data Sciences, The University of Fukuchiyama), Citizen Plaza Fukuchiyama, Fukuchiyama, Japan, 2024/9/8.
• H. Asano, M. Arai, and M. Hasegawa, “Application of Laser Chaos Decision Maker to Beam Tracking in Massive MIMO”, Energy Beaconing”, IEICE Nonlinear Problems (NLP) Conference 2024, Takayama City Library, Takayama, Japan, 2024/9/6.
• K. Uchida, “Novel Macroscopic Applications of Molecular Photoswitches: From Photoinduced Surface Functions to Biological Cell Death Induction [Commemorative Lecture for The Japanese Photochemistry Association Special Lectureship Award]”, Annual Meeting on Photochemistry 2024, The Japanese Photochemistry Association, Ito Campus, Kyushu University, Fukuoka, Japan, 2024/9/5, Invited.
• Y. Hattori, K. Uchida, R. Gwenael, “Photoluminescent Properties of Alkylbenzene-Substituted F₂PyBTM Radicals”, Annual Meeting on Photochemistry 2024, The Japanese Photochemistry Association, Ito Campus, Kyushu University, Fukuoka, Japan, 2024/9/4, Internationally Co-authored.
• D. Kojima, T. Osada, M. Arai, and M. Hasegawa, “Implementation and Evaluation of a Collision Avoidance Method for LoRa Devices Based on the Opposite Phase Synchronization Phenomenon of Nonlinear Oscillators”, IEICE Communication Quality (CQ) Conference 2024, Tenjinmisaki Sports Park, Naraha-machi, Fukushima Pref., Japan, 2024/8/29.
• R. Nomura, R. Isogai, Y. Imano, Y. Yoshida, H. Yasuda, S.-J. Kim, M. Arai, and M. Hasegawa, “Experimental Evaluation of MAB-Based Energy Efficient Beaconing in Bluetooth Low Energy”, IEICE Communication Quality (CQ) Conference 2024, Tenjinmisaki Sports Park, Naraha-machi, Fukushima Pref., Japan, 2024/8/28.
• H. Shiratori, A. Röhm, T. Yamagami, E. Segawa, T. Mihana, and R. Horisaki, “Conflict Avoidance through Entanglement in Quantum Walks”, Japanese Conference on Combinatorics and its Applications 2024 (JCCA-DMIA-2024）, Kojirakawa Campus, Yamagata University, Yamagata, Japan, 2024/8/19.
• M. Arai and M. Hasegawa, “A Study on Optimization of Antenna Array Configuration for Orthogonal Directional MIMO Transmission”, IEICE Short Range Wireless Communications (SRW) Conference 2024, Kikai-Shinko-Kaikan Building, Tokyo, Japan, 2024/6/7, Invited.
• T. Yamagami, N. Okada, T. Mihana, R. Horisaki, M. Naruse, and M. Hasegawa, “Mathematical model of decision-making by correlated time series via stochastic process”, IEICE Complex Communication Sciences (CCS) Conference 2024, West Japan General Exhibition Center, Kitakyushu, Japan, 2024/6/7.
• K. Konaka, H. Shinkawa, A. Röhm, T. Mihana, R. Horisaki, and M. Naruse, “Extension of conflict-free collective decision making system by orbital angular momentum of photons”, IEICE Complex Communication Sciences (CCS) Conference 2024, West Japan General Exhibition Center, Kitakyushu, Japan, 2024/6/7.
• S. Kotoku, T. Mihana, A. Röhm, and R. Horisaki, “Tug-of-war algorithm for collective decision-making with laser networks”, IEICE Complex Communication Sciences (CCS) Conference 2024, West Japan General Exhibition Center, Kitakyushu, Japan, 2024/6/6.
• H. Shiratori, A. Röhm, T. Yamagami, E. Segawa, T. Mihana, and R. Horisaki, “Conflict-free multi-walker quantum walk based on entanglement”, IEICE Complex Communication Sciences (CCS) Conference 2024, West Japan General Exhibition Center, Kitakyushu, Japan, 2024/6/6.
• K. Uchida, Y. Nakagawa, K. Sumaru, K. KiriTo, S. Yokojima, and S. Nakamura, “Cell Death Induced by Photoisomerization of Photochromic Diarylethene Intercalated in DNA”, 21st Symposium on Host-Guest and Supramolecular Chemistry (SHGSC 2024), Yoshida Campus, Kyoto University, Kyoto, Japan, 2024/6/1.
• S. Sunada, A. Röhm, and T. Niiyama, “Physical Deep Neural Networks Based on Optimal Control and Their Optoelectronic System Implementation”, The 68th Annual Conference of the Institute of Systems, Control and Information Engineers (SCI’24), Umeda Campus, Osaka Institute of Technology, Osaka, Japan, 2024/5/26, Invited, Joint research by B03/C01.

Books, Chapters in Book, Review Articles, etc.

• R. Nishimura and K. Uchida, “New development in Light-Driven Soft Robots by Using Organic Crystals”, Koukagaku (Photochemistry; The Japanese Photochemistry Association), Vol. 55, No. 2, pp. 79‒86, 2024/8/26, 10.60391/koukagaku.55.2_79.
• M. Naruse, “Introduction to Modern Photonic Computing”, Corona Publishing, 2024/5/7, 978-4-339-02941-3.

Awards

• A. Haruto, “Student Paper Award”, The 2024 International Symposium on Nonlinear Theory and Its Applications (NOLTA 2024), NOLTA Society, IEICE, 2024/12/6.
• S. Naganuma, “Student Paper Award”, The 2024 International Symposium on Nonlinear Theory and Its Applications (NOLTA 2024), NOLTA Society, IEICE, 2024/12/6.
• H. Shiratori, “Best Student Paper Award”, International Symposium on Physics and Applications of Laser Dynamics 2024 (IS-PALD 2024), 2024/11/7.
• K. Uchida, “The Japanese Photochemistry Association Special Lectureship Award”, The Japanese Photochemistry Association, 2024/9/4.
• D. Kojima, “Outstanding Poster Award”, IEICE Communication Quality (CQ) Conference 2024, 2024/8/30.
• R. Nomura, “Outstanding Poster Award”, IEICE Communication Quality (CQ) Conference 2024, 2024/8/30.
• H. Taira, “The 56th (Spring 2024) JSAP Young Scientist Presentation Award”, The Japan Society of Applied Physics, 2024/5/23.

Patents

• R. Nishimura and K, Uchida, “Superhydrophobic surface structure and method for producing mold thereof”, Japanese Patent No. 7595980, 2024/11/29.
• H. Hori, K. Uchiyama, and M. Naruse, “System, method, and program for ranking target elements”, Japanese Patent No. 7573267, 2024/10/17.

Press Release, etc.

• “Diffraction Casting: A New Approach to All-Optical Computing Enables Massively Parallel Logic Operations”, Laser Focus World Japan, 2024/10/9.
• “Paralleled and multiplexed all-optical logic operation”, EurekAlert!, 2024/10/4.
• “The University of Tokyo Proposes a New Optical Computing Architecture for Massively Parallel Processing”, OPTRONICS ONLINE NEWS, 2024/10/4.
• “Another approach to all-optical parallel computing”, Electronics Weekly, 2024/10/3.
• “The University of Tokyo and Waseda University Propose a New All-Optical Computing Method: Diffraction Casting, Capable of Massively Parallel Logic Operations”, Nihon Keizai Shimbun, 2024/10/3.
• “New method of all-optical computing, diffraction casting enables large-scale parallel logical computation”, Press Release, 2024/10/3.

Papers

• D. Brunner, A. Uchida, et al., “Roadmap on Neuromorphic Photonics”, arXiv:2501.07917, 2025/1/14, 10.48550/arXiv.2501.07917, Internationally Co-authored.
• S. Sunada, T. Niiyama, K. Kanno, R. Nogami, A. Röhm, T. Awano, and A. Uchida, “Blending optimal control and biologically plausible learning for noise-robust physical neural networks”, Physical Review Letters, Vol. 134, Issue 1, pp. 017301‒1‒6, 2025/1/7, 10.1103/PhysRevLett.134.017301, Joint Research by B01/B03/C01.
• A. Ohkubo and M. Inubushi, “Reservoir computing with generalized readout based on generalized synchronization”, Scientific Reports, Vol. 14, Article No 30918, 2024/12/28, 10.1038/s41598-024-81880-3.

International Conference Presentation

• S. Sunada, T. Yamaguchi, A. Skalli, and D. Brunner, “Spatiotemporal image encoder for capturing sub-nanosecond dynamic events”, SPIE Photonics West 2025, San Francisco, California, USA, 2025/1/29, Internationally Co-authored, Invited.
• T. Harayama, “Self-Organization of Lasing Modes in Chaotic Billiard Lasers”, The 7th International Workshop on Microcavities and their applications (WOMA 24), Dunedin, New Zealand, 2024/12/27, Invited.
• Y. Kuribayashi, S. Nakamura, M. You, S. Shinohara, S. Sunada, and T. Harayama, “Self-organized formation of nonlinear scar modes”, The 7th International Workshop on Microcavities and their applications (WOMA 24), Dunedin, New Zealand, 2024/12/26.
• M. Matogawa, Y. Kuribayashi, Y. Suzuki, M. You, S. Sunada, S. Shinohara, and T. Harayama, “Nonlinear Laser Dynamics of an Asymmetric Optical Microcavity”, The 7th International Workshop on Microcavities and their applications (WOMA 24), Dunedin, New Zealand, 2024/12/26.
• K. Takabayashi, T. Maruyama, T. Niiyama, and S. Sunada, “Anomaly Detection with Optical Integrated Circuits Based on Reservoir Computing”, The 2024 International Symposium on Nonlinear Theory and Its Applications (NOLTA 2024), Ha long Bay, Vietnam, 2024/12/3.
• Y. Nagatsuka, T. Niiyama, S. Sunada, A. Uchida, and K. Kanno, “Performance dependence on alternative nonlinear function for augmented DFA in delay-based deep learning in optoelectronic delay system”, The 2024 International Symposium on Nonlinear Theory and Its Applications (NOLTA 2024), Ha long Bay, Vietnam, 2024/12/3, Joint Research by B01/C01.
• S. Ito, T. Niiyama, and S. Sunada, “Performance Evaluation of the Symbolic Regression Using the Genetic Programming”, The 2024 International Symposium on Nonlinear Theory and Its Applications (NOLTA 2024), Ha long Bay, Vietnam, 2024/12/3.
• K. Tsuji, T. Niiyama, and S. Sunada, “Soft Tactile Sensing Based on Laser Speckle and Machine Learning”, The 2024 International Symposium on Nonlinear Theory and Its Applications (NOLTA 2024), Ha long Bay, Vietnam, 2024/12/3.
• K. Ito and T. Maruyama, “Classification of Major Datasets Using Feedforward Neural Network with Integrating Sphere”, Optics & Photonics Taiwan International Conference (OPTIC 2024), Taipei, Taiwan, 2024/11/28.
• M. Inubushi and C. Caulfield, “Synchronization of Small-Scale Dynamics in 2D Navier-Stokes Turbulence: A Data Assimilation Approach”, The Cambridge Centre for Climate Science (CCfCS) Winter Symposium 2024, Cambridge, UK, 2024/11/26, Internationally Co-authored.
• Y. Ohtsuka, K. Sekine, K. Wada, S. Sunada, A. Kasamatsu, S. Tanoi, and S. Hara, “Output Estimation of Photonic Reservoir Systems Considering Characteristics of Analog MAC Circuits”, 2024 IEEE International Conference on Electronics Circuits and Systems (ICECS), Nancy, France, 2024/11/18, Joint Research by C01/C02.
• M. You and S. Sunada, “Photonic reservoir computing based on a ray-chaotic microcavity”, International Symposium on Physics and Applications of Laser Dynamics 2024 (IS-PALD 2024), Saitama, Japan, 2024/11/6.
• T. Niiyama and S. Sunada, “"Self-organized criticality induced by long delayed feedback in semiconductor lasers”, International Symposium on Physics and Applications of Laser Dynamics 2024 (IS-PALD 2024), Saitama, Japan, 2024/11/6.
• K. Takabayashi, T. Maruyama, T. Niiyama, and S. Sunada, “Real-time image anomaly detection using all-photonic reservoir chip with integrated readout layers”, International Symposium on Physics and Applications of Laser Dynamics 2024 (IS-PALD 2024), Saitama, Japan, 2024/11/6.
• Y. Nagatsuka, T. Niiyama, S. Sunada, A. Uchida, and K. Kanno, “Impact of alternative functions for augmented DFA in delay-based physical deep learning”, International Symposium on Physics and Applications of Laser Dynamics 2024 (IS-PALD 2024), Saitama, Japan, 2024/11/6, Joint Research by B01/C01.
• T. Harayama, “Wave Chaos Meets Laser Dynamics in Chaotic Billiard Lasers”, International Symposium on Physics and Applications of Laser Dynamics 2024 (IS-PALD 2024), Saitama, Japan, 2024/11/6, Invited.
• S. Sunada, K. Kitagawa, and T. Yamaguchi, “Photonic neuro-inspired sensor processing”, International Symposium on Physics and Applications of Laser Dynamics 2024 (IS-PALD 2024), Saitama, Japan, 2024/11/5, Invited.
• S. Sunada, “Physical Reservoir Computing”, Kyungpook National University (KNU) Global Seminar, Daegu, South Korea, 2024/10/11, Invited.
• A. Röhm, F. Stelzer, S. Yanchuk, R. Vicente, I. Fischer, M. Naruse, T. Niiyama, and S. Sunada, “Folded-In-Time Deep Neural Networks: Multi-Delay Systems and Their Equivalence to Multi-Layer Perceptrons by Gradient Descent or Optimal Control”, 18th International Federation of Automatic Control (IFAC) Workshop on Time Delay System 2024, Udine, Italy, 2024/9/26, Internationally Co-authored, Invited, Joint Research by.
• A. Uchida, R. Sakamaki, M. Inubushi, and K. Kanno, “Transfer learning based on photonic reservoir computing using semiconductor laser with optical feedback”, Frontiers in Optics + Laser Science 2024 (FiO LS 2024), Denver, Colorado, USA, 2024/9/24, Joint Research by B01/C01.
• S. Sunada, K. Kitagawa, and T. Niiyama, “Multimodal soft sensor processing based on optical hyper-dimensionality”, SPIE Optics + Photonics 2024, San Diego, California, USA, 2024/8/21, Invited.
• G. Kambayashi and M. Inubushi, “A computational study of data assimilation for point vortex systems”, Dynamics Days Europe 2024, Bremen, Germany, 2024/8/1.

Domestic Conference Presentation

• N. Prado, Y. Hu, S. Sunada, and T. Maruyama, “2-Bit Decoder Based on Multi-Port Optical Directional Couplers”, The 2025 IEICE General Conference, Setagaya Campus, Tokyo City University, Tokyo, Japan, 2025/3/28.
• Y. Kuribayashi, S. Nakamura, M. You, S. Shinohara, S. Sunada, and T. Harayama, “Self-Organized Formation of Deep Nonlinear Scar Modes”, The 2025 Spring Meeting of the Physical Society of Japan, Online, 2025/3/19.
• S. Sunada, T. Niiyama, K. Kanno, A. Uchida, and A. Röhm, “Noise-Robust Physical Neural Networks Driven by Random Forces”, The 2025 Spring Meeting of the Physical Society of Japan, Online, 2025/3/19, Joint Research by B01/B03/C01.
• K. Kusano, Y. Ohtsuka, K. Sekine, K. Wada, S. Sunada, S. Hara, S. Tanoi, and A. Kasamatsu, “Evaluation of a Photonic Reservoir System using 2-input Multiply Accumulate Circuit”, 2025 IEEJ Annual Meeting, Nakano Campus, Meiji University, Tokyo, Japan, 2025/3/18, Joint Research by C01/C02.
• Y. Ito, T. Niiyama, T. Asai, G. Tanaka, A. Uchida, and S. Sunada, “Seeing fast through slow: Physical reservoir sensing for capturing high-speed dynamics”, The 72nd JSAP Spring Meeting 2025, Noda Campus, Tokyo University of Science, Noda, Japan, 2025/3/17, Joint Research by B01/C01.
• R. Nakayama, T. Niiyama, and S. Sunada, “Classification of tactile sensing data using optical neural network circuits”, The 72nd JSAP Spring Meeting 2025, Noda Campus, Tokyo University of Science, Noda, Japan, 2025/3/17.
• Y. Matsuda, J. Hong, K. Ito, S. Sunada, and T. Maruyama, “Reconstruction of Vibration Information Using FFNN with Laser Light”, The 72nd JSAP Spring Meeting 2025, Noda Campus, Tokyo University of Science, Noda, Japan, 2025/3/17.
• S. Motooka, N. Komori, T. Yamaguchi, T. Niiyama, and S. Sunada, “Single-Pixel Imaging Based on High-speed Speckle Pattern Projection”, The 72nd JSAP Spring Meeting 2025, Noda Campus, Tokyo University of Science, Noda, Japan, 2025/3/15.
• S. Sunada, “Challenges Toward Optical Neural Computing Technology”, The 4th Technical Meeting on Optical Materials and Applied Technologies 2024, Optoelectronics Industry and Technology Development Association, 2025/3/7, Invited.
• S. Sunada, “Evolution of Sensing Technologies Driven by the Fusion of Photonics and Computational Science”, 北Hokuriku Future Co-Creation Forum – Technical Seminar of the Secure Electromagnetic Energy Applications Working Group, Online, 2025/3/5, Invited.
• S. Sunada, “Exploration of Photonic Neuromorphic Computing”, RIEC Annual Meeting on Cooperative Research Projects, Research Institute of Electrical Communication (RIEC), Tohoku University, Sendai, Japan, 2025/2/17, Invited.
• S. Sunada, “Device fundamentals to benefit from ultimate nature of light”, The Second Open Symposium on Photonic Computing “Photonics for Computing & Computing for Photonics”, National Institute of Information and Communications Technology, Koganei, Japan, 2024//12/17.
• S. Sunada, “Photonic Hyperdimensional Computing”, Optics & Photonics Japan 2024 (OPJ 2024), The University of Electro-Communications, Chofu, Japan, 2024/11/29, Invited, Project-Organized.
• S. Motooka, N. Komori, T. Yamaguchi, T. Niiyama, and S. Sunada, “Ultrafast Single-Pixel Imaging Enabled by Random Pattern Generation at a 10 Gfps Rate”, Optics & Photonics Japan 2024 (OPJ 2024), The University of Electro-Communications, Chofu, Japan, 2024/11/29.
• H. Kojima, K. Wada, K. Sekine, S. Tanoi, S. Hara, A. Kasamatsu, and S. Sunada, “Analog circuit design for the post-processing section of photonic reservoir”, IEEJ 2024 Technical Meeting on Electronic Circuits, Tsukuba Campus, University of Tsukuba, Tsukuba, Japan, 2024/11/22, Joint Research by C01/C02.
• A. Ogata, K. Sekine, K. Wada, S. Sunada, A. Kasamatsu, S. Tanoi, and S. Hara, “Delay of an analog multiply-accumulate circuit designed in SiGe BiCMOS process and its effect to photonic reservoir system”, IEEJ 2024 Technical Meeting on Electronic Circuits, Tsukuba Campus, University of Tsukuba, Tsukuba, Japan, 2024/11/22, Joint Research by C01/C02.
• S. Sunada and K. Kanno, “Fundamentals of Physical Reservoir Computing and Its Applications to Data Analysis and Implementation on Edge Devices and Sensors”, Online Seminar by Nihon Techno Center, 2024/9/30, Joint research by B01/C01.
• K. Takabayashi, T. Maruyama, T. Niiyama, and S. Sunada, “Realtime prediction based on all-photonic reservoir circuit integrated with a photonic readout layer”, The 85th JSAP Autumn Meeting 2024, TOKI MESSE, Niigata, Japan, 2024/9/17.
• S. Motooka, T. Yamaguchi, T. Niiyama, and S. Sunada, “Development of optical hardware and reconstruction algorithms for high-speed imaging to visualize nanosecond phenomena”, The 85th JSAP Autumn Meeting 2024, TOKI MESSE, Niigata, Japan, 2024/9/17.
• J. Hong, K. Kitagawa, T. Niiyama, and S. Sunada, “Optical sensing based on Hyperdimensional Computing”, The 85th JSAP Autumn Meeting 2024, TOKI MESSE, Niigata, Japan, 2024/9/17.
• K. Tsuji, T. Niiyama, and S. Sunada, “Soft Tactile Sensing Based on Laser Speckle and Machine Learning”, The 2024 IEICE Society Conference, Saitama Campus, the Nippon Institute of Technology, Miyashiro-machi, Saitama Pref., Japan, 2024/9/12.
• S. Ito, T. Niiyama, and S. Sunada, “Identification of nonlinear equations of motion using genetic programming”, The 2024 IEICE Society Conference, Saitama Campus, the Nippon Institute of Technology, Miyashiro-machi, Saitama Pref., Japan, 2024/9/12.
• Y. Hu, K. Takabayashi, R. Nakayama, S. Sunada, and T. Maruyama, “Simple machine learning using silicon multiport directional couplers”, The 2024 IEICE Society Conference, Saitama Campus, the Nippon Institute of Technology, Miyashiro-machi, Saitama Pref., Japan, 2024/9/11.
• S. Sunada, “Optical Neuromorphic Processing System Capable of Recognizing or Visualizing Nanosecond Phenomena”, Information Photonics Research Meeting 2024, Group of Information Photonics, The Optical Society of Japan, Ookayama Campus, Tokyo Institute of Technology, Tokyo, Japan, 2024/7/2, Invited.
• K. Ito and T. Maruyama, “Feedforward optical neural networks using an integrated sphere”, The June 2024 Research Meeting of the Technical Committee on OptoElectronics (OPE) of IEICE, Hotel Tenbo, Ikaho Onsen, Shibukawa, Japan, 2024/6/20.
• Y. Hu and T. Maruyama, “Simple machine learning using silicon multi-port directional couplers”, The June 2024 Research Meeting of the Technical Committee on OptoElectronics (OPE) of IEICE, Hotel Tenbo, Ikaho Onsen, Shibukawa, Japan, 2024/6/20.
• Y. Nagatsuka, R. Nogami, T. Niiyama, S. Sunada, A. Uchida, and K. Kanno, “Dependence of classification performance on alternative nonlinear functions for augmented DFA in deep neural network based on delayed dynamical systems, IEICE NOLTA Society Conference 2024, West Japan General Exhibition Center, Kitakyushu, Japan, 2024/6/8, Joint research by B01/C01.
• K. Takabayashi, R. Nakayama, T. Maruyama, T. Niiyama, and S. Sunada, “Training approaches for photonic reservoir computing circuits”, IEICE Complex Communication Sciences (CCS) Conference 2024, West Japan General Exhibition Center, Kitakyushu, Japan, 2024/6/6.
• S. Ito, S. Sunada, and T. Niiyama, “Performance evaluation of the symbolic regression using the genetic programming”, IEICE Complex Communication Sciences (CCS) Conference 2024, West Japan General Exhibition Center, Kitakyushu, Japan, 2024/6/6.
• S. Sunada, A. Röhm, and T. Niiyama, “Physical Deep Neural Networks Based on Optimal Control and Their Optoelectronic System Implementation”, The 68th Annual Conference of the Institute of Systems, Control and Information Engineers (SCI’24), Umeda Campus, Osaka Institute of Technology, Osaka, Japan, 2024/5/26, Invited, Joint research by B03/C01.
• S. Sunada, “Photonic Neural Networks and Their Applications in Sensing”, OPIE ’24 Seminar on “Optical AI and Optical Computing” hosted by the Photonics Division, The Japan Society of Applied Physics (JSAP), PACIFICO Yokohama, Yokohama, Japan, 2024/4/26, Invited.

Books, Chapters in Book, Review Articles, etc.

• S. Sunada, “Optical Neural Networks”, Oyo Buturi (Japan Society of Applied Physics (JSAP)), Vol. 93, No. 6, pp. 336‒341, 2024/6/1, https://doi.org/10.11470/oubutsu.93.6_336.
• M. Inubushi, “Dynamical Systems Approach to Data-Driven Fluid Dynamics [Commemorative Remarks for the Ryumon Award]”, NAGARE (Japan Society of Fluid Mechanics), Vol. 43, No. 2, pp. 103‒108, 2024/6/1.
• S. Sunada, “Photonic reservoir computing as an emerging AI accelerator”, Photonics Review (Photonics division, Japan Society of Applied Physics (JSAP)), Vol. 2024, pp. 240210‒1‒4, 2024/5/17, https://doi.org/10.11470/photo.240210.

Awards

• K. Takabayashi, “Best Student Paper Award”, International Symposium on Physics and Applications of Laser Dynamics 2024 (IS-PALD 2024), 2024/11/7.
• M. You, “Best Student Paper Award”, International Symposium on Physics and Applications of Laser Dynamics 2024 (IS-PALD 2024), 2024/11/7.

Patents

• S. Sunada, Y. Ito, T. Asai, G. Tanaka, and A. Uchida, “Broadband Signal Measuring Device”, Patent Application No. 2025-30184, 2025/2/27, Joint research by B01/C01.

Press Release, etc.

• “Improved Training for Energy-Saving Neural Nets”, Physics Magazine (URL: https://physics.aps.org/articles/v18/s6 ), 2025/1/7.
• “AI computation with light scattering phenomenon, ultra-high-speed processing with almost zero power consumption”, Nikkei XTECH, 2024/12/19, Joint research by B01/C01.

Organization of Plenary Meetings, Symposia, etc.

• A. Uchida and S. Sunada (Organizing Committee Member), The 85th JSAP Autumn Meeting 2024 Symposium “Crossover between Photonic Computing and AI: From New Trends to Applications”, TOKI MESSE, Niigata, Japan, 2024/9/18, 100 (Onsite) Participants.

International Conference Presentation

• Y. Ohtsuka, K. Sekine, K. Wada, S. Sunada, A. Kasamatsu, S. Tanoi, and S. Hara, “Output Estimation of Photonic Reservoir Systems Considering Characteristics of Analog MAC Circuits”, 2024 IEEE International Conference on Electronics Circuits and Systems (ICECS), Nancy, France, 2024/11/18, Joint research by C01/C02.
• R. Tsuboi, K. Sekine, K. Wada, S. Hara, A. Kasamatsu, and S. Tanoi, “High-speed 2AB problem solving System IC in CMOS 180 nm Technology”, 2024 International Conference on Analog VLSI Circuits (AVIC 2024), Kuala Lumpur, Malaysia, 2024/10/16.
• K. Mori, K. Wada, K. Sekine, S. Hara, S. Tanoi, and A. Kasamatsu, “Design of an analog integrated circuit solving the two-armed bandit problem in 180-nm CMOS for operation verification”, 2024 International Conference on Analog VLSI Circuits (AVIC 2024), Kuala Lumpur, Malaysia, 2024/10/16.

Domestic Conference Presentation

• K. Kurisu, R. Tsuboi, K. Fujimoto, H. Matsuzaki, K. Sekine, K. Wada, M. Hasegawa, S. Hara, S. Tanoi, and A. Kasamatsu, “Channel Selection in Wireless Communications Using a Mobile Terminal Device via a 2-armed bandit algorithm”, 2025 IEEJ Annual Meeting, Nakano Campus, Meiji University, Tokyo, Japan, 2025/3/18, Joint Research by B03/C02.
• K. Kusano, Y. Ohtsuka, K. Sekine, K. Wada, S. Sunada, S. Hara, S. Tanoi, and A. Kasamatsu, “Evaluation of a Photonic Reservoir System using 2-input Multiply Accumulate Circuit”, 2025 IEEJ Annual Meeting, Nakano Campus, Meiji University, Tokyo, Japan, 2025/3/18, Joint Research by C01/C02.
• H. Matsuzaki, K. Mori, K. Kurisu, K. Fujimoto, K. Wada, K. Sekine, M. Hasegawa, S. Hara, S. Tanoi, and A. Kasamatsu, “Design of an analog circuit based on a strategy for the two-armed bandit problem connected to an experimental machine for wireless LAN channel selection”, IEEJ 2025 Technical Meeting on Electronic Circuits, Omiya Campus, Shibaura Institute of Technology, Saitama, Japan, 2025/3/11, Joint Research by B03/C02.
• T. Furuta, R, Tsuboi, K. Sekine, K. Wada, S. Hara, S. Tanoi, and A. Kasamatsu, “Design of a four-armed bandit problem solving IC in CMOS 180 nm Technology”, IEEJ 2025 Technical Meeting on Electronic Circuits, Omiya Campus, Shibaura Institute of Technology, Saitama, Japan, 2025/3/11.
• H. Kojima, K. Wada, K. Sekine, S. Tanoi, S. Hara, A. Kasamatsu, and S. Sunada, “Analog circuit design for the post-processing section of photonic reservoir”, IEEJ 2024 Technical Meeting on Electronic Circuits, Tsukuba Campus, University of Tsukuba, Tsukuba, Japan, 2024/11/22, Joint Research by C01/C02.
• A. Ogata, K. Sekine, K. Wada, S. Sunada, A. Kasamatsu, S. Tanoi, and S. Hara, “Delay of an analog multiply-accumulate circuit designed in SiGe BiCMOS process and its effect to photonic reservoir system”, IEEJ 2024 Technical Meeting on Electronic Circuits, Tsukuba Campus, University of Tsukuba, Tsukuba, Japan, 2024/11/22, Joint Research by C01/C02.
• A. Kasamatsu, S. Hara, S. Tanoi, K. Wada, and K. Sekine, “Application of High-Performance Analog Electronic Circuits to Photonic Computing”, The 85th JSAP Autumn Meeting 2024, TOKI MESSE, Niigata, Japan, 2024/9/18, Invited.

International Conference Presentation

• M. Takabayashi, “Self-referential holography and its applications to data storage and deep neural network hardware”, The 12th International Symposium on Applied Engineering and Sciences (SAES2024), Kitakyushu, Fukuoka, Japan, 2024/11/15, Invited.
• T. Takatsu, R. Tomioka, and M. Takabayashi, “Numerical Simulations of Optoelectronic Deep Neural Network Using Trainable Activation Function”, International Symposium on Imaging, Sensing and Optical Memory (ISOM'24), Himeji, Japan, 2024/10/22.
• Y. Eto, R. Tomioka, T. Takatsu, and M. Takabayashi, “Self-Referential Holographic Data Storage with Integrated Denoising Function by Deep Learning”, International Symposium on Imaging, Sensing and Optical Memory (ISOM'24), Himeji, Japan, 2024/10/21.
• M. Takabayashi, “Self-referential holography meets AI technologies”, 14th International Conference on Optics-photonics Design and Fabrication (ODF24), Tucson, Arizona, USA, 2024/7/12, Invited.
• T. Takatsu, R. Tomioka, and M. Takabayashi, “Numerical analysis on contributions of individual layers in self-referential holographic deep neural network”, 14th International Conference on Optics-photonics Design and Fabrication (ODF24), Tucson, Arizona, USA, 2024/7/11.
• R. Tomioka, T. Takatsu, and M. Takabayashi, “Numerical simulations on image recognition by self-referential holographic deep neural network with electronic output layer”, 14th International Conference on Optics-photonics Design and Fabrication (ODF24), Tucson, Arizona, USA, 2024/7/11.

Domestic Conference Presentation

• K. Inoue, T. Hashiguchi, T. Takatsu, R. Tomioka, A. Shibukawa, and M. Takabayashi, “Experiments on image recognition by optoelectronic deep neural network with scattering medium insertion”, Multi-media Storage Technical Meeting 2024, The Institute of Image Information and Television Engineers, Hokkaido University, Sapporo, Japan, 2025/2/19.
• Y. Eto, R. Tomioka, T. Takatsu, and M. Takabayashi, “Self-Referential Holographic Memory with Denoising Functionality by Deep Learning for Reconstructed Datapages －A Study on Dataset Generation Methods for Deep Learning－”, Multi-media Storage Technical Meeting 2024, The Institute of Image Information and Television Engineers, Ehime University, Matsuyama, Japan, 2024/12/5.
• K. Nishida, Y. Midoh, N. Miura, S. Kawakami, and J. Shiomi, “Run-time Detection of Thermal Fault Injection Attacks on Optical Neural Networks”, The 207th Technical Meeting on System and LSI Design Methodology (SLDM), Information Processing Society of Japan (IPSJ), Oita, Japan, 2024/11/14, Joint research by A02/A03-1.
• M. Takabayashi, “Implementation and application of deep neural network hardware based on spatial light modulation”, The 85th JSAP Autumn Meeting 2024, TOKI MESSE, Niigata, Japan, 2024/9/18, Invited.

Books, Chapters in Book, Review Articles, etc.

• M. Takabayashi, “ISOM’24 Quick Report: Optical Imaging, Optical Sensing, and Optical Memory”, International Conference Report (Optoelectronics Industry and Technology Development Association), 2024/11/12.

Awards

• K. Nishida, “Session Outstanding Presentation Award, SLDM Technical Group”, The 207th Technical Meeting on System and LSI Design Methodology (SLDM), Information Processing Society of Japan (IPSJ), 2024/12/16, Joint research by A02/A03-1.

Papers

• O. Nawwar, K. Minoshima, and N. Kuse, “Parametric Study of Chaotic Combs for High-Rate Random Number Generation”, IEEE Photonics Technology Letters, Vol. 37, Issue 3, pp. 153‒156, 2024/12/25, 10.1109/LPT.2024.3522239, Internationally Co-authored.
• F. Köster, K. Kanno, J. Ohkubo, and A. Uchida, “Attention-enhanced reservoir computing”, Physical Review Applied, Vol. 22, Issue 1, pp. 014039‒1‒12, 2024/7/16, 10.1103/PhysRevApplied.22.014039, Internationally Co-authored, Joint Research by B01/B04-1.
• Y. Tahara, K. Fukushi, S. Takahashi, K. Kinjo, and J. Ohkubo, “Improvement of system identification of stochastic systems via Koopman generator and locally weighted expectation”, Journal of the Physical Society of Japan, Vol. 93, Issue 4, Article No. 074006, pp. 1‒9, 2024/6/28, 10.7566/JPSJ.93.074006.

International Conference Presentation

• D. Hitotsumatsu, K. Minoshima, and N. Kuse, “Parallelization of Temporally Multiplexed Matrix Vector Multiplication with Rayleigh Backscattering in an Optical Fiber via Wavelength-division Multiplexing”, The 16th Pacific Rim Conference on Lasers and Electro-Optics (CLEO-PR 2024), Incheon, South Korea, 2024/8/7.
• J. Cuevas, A. Uchida, K. Minoshima, and N. Kuse, “Frequency multiplexed photonic reservoir computing using a Mach-Zehnder interferometer”, The 16th Pacific Rim Conference on Lasers and Electro-Optics (CLEO-PR 2024), Incheon, South Korea, 2024/8/7, Internationally Co-authored, Joint Research by B01/B04-3.
• D. Hitotsumatsu, K. Minoshima, and N. Kuse, “Parallelization of temporally multiplexed matrix-vector multiplication with distribute feedback based on Rayleigh backscattering in an optical fiber”, The 13th Advanced Lasers and Photon Sources (ALPS 2024), Yokohama, Japan, 2024/4/25.
• J. Cuevas, R. Iwami, A. Uchida, K. Minoshima, and N. Kuse, “Decision making using a chaotic microresonator frequency comb”, The 13th Advanced Lasers and Photon Sources (ALPS 2024), Yokohama, Japan, 2024/4/25, Internationally Co-authored, Joint Research by B01/B04-3.
• S. Shimomura, Y. Ogura, and J. Tanida, “Numerical demonstration of spatial photonic Ising machine with parallel processing based on spatial multiplexing”, Information Photonics 2024 (IP2024), Yokohama, Japan, 2024/4/24.
• S. Shimomura, Y. Ogura, and J. Tanida, “Parallel processing of spatial photonic Ising machines using spatial multiplexing”, SPIE Photonics Europe 2024, Strasbourg, France, 2024/4/10.

Domestic Conference Presentation

• D. Hitotsumatsu, K. Minoshima, and N. Kuse, “Extreme learning machine via coherent detection of Rayleigh backscattering from a long fiber”, Next-Generation Photonics Forum 2025 in Tokushima, Tokushima University, Tokushima, Japan, 2025/2/1.
• S. Shimomura, H. Yamashita, H. Suzuki, J. Tanida, and Y. Ogura, “Experimental validation of spatial photonic Ising machine utilizing optical Fourier transformation”, The 45th Annual Meeting of the Laser Society of Japan, Hiroshima International Conference Center, Hiroshima, Japan, 2025/1/22.
• J. Ohkubo and K. Fukushi, “Stochastic modeling of laser dynamics via Koopman operator”, The Second Open Symposium on Photonic Computing “Photonics for Computing & Computing for Photonics”, National Institute of Information and Communications Technology, Koganei, Japan, 2024/12/17.
• S. Nakamura, K. Minoschima, and N. Kuse, “Numerical investigation of an unconventional convolutional neural network with a microcomb and microring”, The Second Open Symposium on Photonic Computing “Photonics for Computing & Computing for Photonics”, National Institute of Information and Communications Technology, Koganei, Japan, 2024/12/17.
• J. Cuevas, K. Minoshima, and N. Kuse, “Optical reservoir computing with a microcomb generated from a high-Q microresonator”, Optics & Photonics Japan 2024 (OPJ 2024), The University of Electro-Communications, Chofu, Japan, 2024/11/30, Internationally Co-authored.
• D. Hitotsumatsu, K. Minoshima, and N. Kuse, “Extreme learning machine via coherent detection of Rayleigh backscattering from a long fiber”, Optics & Photonics Japan 2024 (OPJ 2024), The University of Electro-Communications, Chofu, Japan, 2024/11/30.
• S. Shimomura, “Function enhancement of spatial photonic Ising machine by using optical multiplexing”, The 85th JSAP Autumn Meeting 2024, TOKI MESSE, Niigata, Japan, 2024/9/18, Invited.
• N. Kuse, “Optical accelerator with microresonator frequency combs”, The 85th JSAP Autumn Meeting 2024, TOKI MESSE, Niigata, Japan, 2024/9/18, Invited.
• K. Fukushi and J. Ohkubo, “Stochastic modeling of deterministic laser chaos using generator extended dynamic mode decomposition”, The 79th Annual Meeting of the Physical Society of Japan (2024), Hokkaido University, Sapporo, Japan, 2024/9/17.
• T. Kihara, S. Shimomura, Y. Ogura, and J. Tanida, “Experimental demonstration of spatial photonic Ising machine with parallel processing using bias-phase”, The 85th JSAP Autumn Meeting 2024, TOKI MESSE, Niigata, Japan, 2024/9/17.
• D. Hitotsumatsu, K. Minoshima, and N. Kuse, “Benchmark evaluation of Optical computing via Rayleigh backscattering in an optical fiber”, 2024 Joint Conference of the Chugoku-Shikoku Branches of the Applied Physics and Physical Societies, Tokushima University, Tokushima, Japan, 2024/7/28.

Awards

• J. Cuevas, “OSJ/Optica Student Award”, Optics & Photonics Japan 2024, The Optical Society of Japan & Optica, 2024/12/1.

Papers

• M. Kasavetov, K. Esashika, P. J. Fons, and T. Saiki, “DNA bases in the gap: correlation between relative SERS spectra and gap separation in gold nanoparticle dimers formed by nucleobase-induced aggregation”, Optical Materials Express, Vol. 15, Issue 2, pp. 194‒211, 2025/1/6, https://doi.org/10.1364/OME.541106.
• H. Sakaguchi, T. Honma, J. Zhang, S. Sumi, H. Awano, H. Nonaka, F. Z. Chafi, and T. Ishibashi, “Thermomagnetic recording of highly Bi-substituted iron garnet film using scanning laser for spatial light modulation”, Japanese Journal of Applied Physics, Vol. 63, No. 10, pp. 10SP02‒1‒6, 2024/10/7, 10.35848/1347-4065/ad86ca.
• J. Wang, S. Taniguchi, and Y. Shoji, “Self-holding magneto-optical switch integrated on silicon photonic platforms”, Optics Express, Vol. 32, Issue 16, pp. 28570‒28581, 2024/7/23, 10.1364/OE.532018.
• G. Takagi, T. Murai, and Y. Shoji, “Magnetization reversal by multiple optical pulses for a photonic spiking neuron with the leaky integrate and fire model”, Japanese Journal of Applied Physics , Vol. 63, No. 7, pp. 072002‒1‒6, 2024/7/18, 10.35848/1347-4065/ad53b2.
• K. Sato, M. Okano, and Y. Shoji, “Ultra-compact microring optical isolator using an aluminum-substituted cobalt ferrite thin film”, Optica, Vol. 11, Issue 6, pp. 889‒895, 2024/6/20, 10.1364/OPTICA.511956.

International Conference Presentation

• K. Takiguchi and W. Ishihara, “Security enhancement of terahertz-band communication using optical exclusive OR circuit”, SPIE Photonics West 2025, San Francisco, California, USA, 2025/1/29.
• J. Shiina, M. Naya, S. Hakuta, and T. Saiki, “Collective behavior of laser-excited droplets via mass transfer”, International Active Matter Workshop 2025, Meiji University, Tokyo, Japan, 2025/1/24.
• S. Eto, N. Ohkubo, S. Hatayama, K. Makino, Y. Saito, and T. Saiki, “Collection and separation of microparticles in liquid by induced-charge electroosmosis using phase-change floating electrode”, The 36th Symposium on Phase Change Oriented Science (PCOS2024), Akiu Ryokusuitei, Sendai, Japan, 2024/11/29.
• K. Yasutani, S. Hatayama, K. Makino, and T. Saiki, “Size-selective particle collection by AC electric field-induced flow on phase-change substrate”, The 36th Symposium on Phase Change Oriented Science (PCOS2024), Akiu Ryokusuitei, Sendai, Japan, 2024/11/29.
• T. Saiki, “Colloidal robotics using phase-change memory in individuals and the environment”, The 7th International Conference on Memristive Materials, Devices & Systems (MEMRISYS 2024), Seoul, South Korea, 2024/11/12, Invited.
• K. Takiguchi, “Recent advances in integrated-optic signal processing devices based on optical Fourier transform”, The 14th International Conference on Electronics, Communications and Networks (CECNet 2024), Matsue, Japan, 2024/11/7, Invited.
• T. Ishibashi, H. Sakaguchi, T. Honma, R. Akagawa, J. Ikeda, J. Zhang, F. Z. Chafi, S. Sumi, H. Awano, and H. Nonaka, “Development of Magneto-optical Deep Neural Network Device”, Imaging, Sensing, and Optical Memory 2024 (ISOM'24), Himeji, Japan, 2024/10/23, Invited.
• K. Takiguchi and H. Nishihara, “Integrated-optic exclusive OR logical gate capable of processing arbitrary number of bits”, Frontiers in Optics + Laser Science 2024 (FiO LS 2024), Denver, Colorado, USA, 2024/9/25.
• Y. Shoji, “Silicon-based integrated magneto-optical isolator with direct bonding”, The 16th Pacific Rim Conference on Lasers and Electro-Optics (CLEO-PR 2024), Incheon, South Korea, 2024/8/9, Invited.
• K. Takiguchi and H. Nishihara, “Flexible opto-electronic logical gate circuit comprising waveguide-based interferometer and photodetector”, Optica Advanced Photonics Congress 2024, Québec City, Canada, 2024/7/30.
• H. Sakaguchi, R. Oya, J. Zhang, T. Honma, S. Sumi, H. Awano, H. Nonaka, F. Z. Chafi, and T. Ishibashi, “Online learning of magneto-optical diffractive deep neural network using Monte Carlo method”, International Conference on Magnetism 2024 (ICM 2024), Bologna, Italy, 2024/7/1.
• H. Sakaguchi, J. Zhang, T. Honma, S. Sumi, H. Awano, H. Nonaka, F. Z. Chafi, and T. Ishibashi, “MO RECORDING TECHNIQUE FOR ONLINE LEARNING OF MAGNETO-OPTICAL DIFFRACTIVE DEEP NEURAL NETWORK”, Magnetics and Optics Research International Symposium (MORIS2024), The Guildhall York, UK, 2024/5/31.
• K. Takiguchi and H. Nishihara, “Opto-electronic AND logical gate circuit consisting of integrated-optic interferometer and balanced photodetector”, The 7th International Conference on Optics, Photonics and Lasers (OPAL' 2024), Palma de Mallorca (Balearic Islands), Spain, 2024/5/15.

Domestic Conference Presentation

• K. Takiguchi and H. Nishihara, “Optical exclusive OR circuit for processing multi-input signals”, The 2025 IEICE General Conference, Setagaya Campus, Tokyo City University, Tokyo, Japan, 2025/3/28.
• K. Shimazu, W. Ishihara, and K. Takiguchi, “Preliminary investigation into encryption of wireless communication signal in terahertz band using optical XOR circuit”, The 2025 IEICE General Conference, Setagaya Campus, Tokyo City University, Tokyo, Japan, 2025/3/27.
• H. Sakaguchi, T. Honma, S. Sumi, H. Awano, H. Nonaka, F. Z. Chafi, and T. Ishibashi, “Demonstration of handwritten digit classification using the magneto-optical diffractive neural network”, The 72nd JSAP Spring Meeting 2025, Noda Campus, Tokyo University of Science, Noda, Japan, 2025/3/17.
• K. Watanabe, J. Ikeda, H. Sakaguchi, S. Sumi, H. Awano, H. Nonaka, F. Z. Chafi, and T. Ishibashi, “Study on improving the performance of magneto-optical diffractive neural networks”, The 72nd JSAP Spring Meeting 2025, Noda Campus, Tokyo University of Science, Noda, Japan, 2025/3/17.
• M. Naya, S. Hakuta, J. Shiina, H. Mitomo, K. Ijiro, and T. Saiki, “Environmental adaptability of optical driven microdroplet robots”, The 72nd JSAP Spring Meeting 2025, Noda Campus, Tokyo University of Science, Noda, Japan, 2025/3/15.
• T. Matsuya, H. Sakaguchi, H. Nonaka, S. Sumi, H. Awano, F. Z. Chafi, and T. Ishibashi, “Effect of Faraday rotation angle on training in magneto-optical diffractive neural networks using the Monte Carlo method”, The 72nd JSAP Spring Meeting 2025, Noda Campus, Tokyo University of Science, Noda, Japan, 2025/3/14.
• Y. Shoji, “Non-volatile Photonic Devices Using Magnetic Materials and Convolutional Neural Networks”, The 4th Technical Meeting on Optical Materials and Applied Technologies 2024, Optoelectronics Industry and Technology Development Association, 2025/3/7, Invited.
• Y. Shoji, “Waveguide Phonic Spiking Neuron with Magneto-optical Conversion”, Optics & Photonics Japan 2024 (OPJ 2024), The University of Electro-Communications, Chofu, Japan, 2024/11/29, Invited, Project-Organized.
• J. Shiina, M. Shimizu, S. Hakuta, M. Naya, and T. Saiki, “Dynamic Network Formation by Self-excited Motion and Interaction of Photothermally Induced Droplets”, Optics & Photonics Japan 2024 (OPJ 2024), The University of Electro-Communications, Chofu, Japan, 2024/11/29, Invited, Project-Organized.
• R. Akagawa, H. Sakaguchi, F. Z. Chafi, T. Ishibashi, H. Nonaka, and H. Awano, “Optimization of Magneto-Optical Diffractive Deep Neural Network and its Application to Image Processing Task”, IEEJ Technical Meeting on Magnetics, Nagaoka University of Technology, Nagaoka, Japan, 2024/11/22.
• T. Ishibashi, “Optical Phase Control Using Magneto-Optical Effects and Its Applications to Neural Networks”, The 1st Technical Meeting on Magnetic Applications of Artificial Intelligence, The Magnetics Society of Japan, The University of Tokyo, Tokyo, Japan, 2024/10/10, Invited.
• T. Homma, H. Sakaguchi, H. Nonaka, S. Sumi, H. Awano, F.Z. Chafi, and T. Ishibashi, “Development of MO recording technique for MO diffractive devices”, The 48th Annual Conference on MAGNETICS in Japan, the Magnetics Society of Japan, Akita University, Akita, Japan, 2024/9/25.
• H. Sakaguchi, T. Honma, J. Zhang, S. Sumi, H. Awano, H. Nonaka, F. Z. Chafi, and T. Ishibashi, “Development of online learning technique on magneto-optical diffractive deep neural network”, The 48th Annual Conference on MAGNETICS in Japan, the Magnetics Society of Japan, Akita University, Akita, Japan, 2024/9/25.
• T. Ishibashi, R. Akagawa, J. Ikeda, H. Sakaguchi, F. Z. Chafi, S. Sumi, H. Awano, and H. Nonaka, “Simulation of optimization and image processing for magneto-optical diffractive deep neural network device”, The 48th Annual Conference on MAGNETICS in Japan, the Magnetics Society of Japan, Akita University, Akita, Japan, 2024/9/25.
• T. Homma, H. Sakaguchi, H. Nonaka, S. Sumi, H. Awano, F. Z. Chafi, and T. Ishibashi, “Examination of conditions for record of fine magnetic domains by MO-recording”, The 85th JSAP Autumn Meeting 2024, TOKI MESSE, Niigata, Japan, 2024/9/19.
• F. Z. Chafi, H. Sakaguchi, H. Nonaka, H. Awano, and T. Ishibashi, “Magneto-Optical diffractive deep neural Networks by Monte Carlo Method”, The 85th JSAP Autumn Meeting 2024, TOKI MESSE, Niigata, Japan, 2024/9/18.
• T. Ishibashi, “Development of magneto-optical deep neural network device”, The 85th JSAP Autumn Meeting 2024, TOKI MESSE, Niigata, Japan, 2024/9/18, Invited.
• H. Sakaguchi, H. Awano, H. Nonaka, F. Z. Chafi, and T. Ishibashi, “Simulation for parallel processing on magneto-optical diffractive deep neural network”, The 85th JSAP Autumn Meeting 2024, TOKI MESSE, Niigata, Japan, 2024/9/18.
• R. Akagawa, H. Sakaguchi, H. Nonaka, H. Awano, F. Z. Chafi, and T. Ishibashi, “Simulation of image processing for Magneto-Optical Diffraction Deep Neural Networks”, The 85th JSAP Autumn Meeting 2024, TOKI MESSE, Niigata, Japan, 2024/9/18.
• J. Ikeda, H. Sakaguchi, H. Nonaka, H. Awano, F. Z. Chafi, and T. Ishibashi, “Comparison of magneto-optical diffractive deep neural networks and diffractive deep neural networks utilizing optical path differences”, The 85th JSAP Autumn Meeting 2024, TOKI MESSE, Niigata, Japan, 2024/9/18.
• K. Takiguchi, “Optical information signal processing device utilizing integrated-optic technology”, The 85th JSAP Autumn Meeting 2024, TOKI MESSE, Niigata, Japan, 2024/9/18, Invited.
• K. Nakanishi, R. Kou, Y. Sutoh, T. Murai, K. Yamada, and Y. Shoji, “Improving μ-transfer printing process for waveguide magneto-optical devices”, The 85th JSAP Autumn Meeting 2024, TOKI MESSE, Niigata, Japan, 2024/9/17.
• S. Yajima and Y. Shoji, “Crystallization of Polycrystalline YIG/Ce:YIG bilayer structure”, The 85th JSAP Autumn Meeting 2024, TOKI MESSE, Niigata, Japan, 2024/9/17.
• Y. Shimbo, S. Yajima, Y. Hayama, K. Nakatsuhara, and Y. Shoji, “Fabrication of Nb2O5 waveguide for visible-light phased arrays”, The 85th JSAP Autumn Meeting 2024, TOKI MESSE, Niigata, Japan, 2024/9/17.
• Y. Shoji, G. Takagi, and S. Yajima, “Magneto-optical recording device with optical waveguide and AI applications”, The 85th JSAP Autumn Meeting 2024, TOKI MESSE, Niigata, Japan, 2024/9/17, Invited.
• M. Naya, S. Hakuta, J. Shiina, M. Shimizu, H. Mitomo, K. Ijiro, and T. Saiki, “Visualization of precursor liquid film flow in optically driven microdroplet robots”, The 85th JSAP Autumn Meeting 2024, TOKI MESSE, Niigata, Japan, 2024/9/17.
• G. Takagi and Y. Shoji, “Leaky integrated-and-fire model for photonic spiking neuron with magnetic materials”, The 85th JSAP Autumn Meeting 2024, TOKI MESSE, Niigata, Japan, 2024/9/16.
• K. Takiguchi and Y. Takimoto, “Mode group division multiplexing communication using graded-index plastic optical fiber”, IEICE Extremely Advanced Optical Transmission Technologies (EXAT) Workshop in August 2024, Hokkaido Citizens Activities Promotion Center, Sapporo, Japan, 2024/8/22, Invited.
• J. Ikeda, H. Sakaguchi, H. Nonaka, H. Awano, F. Z. Chafi, and T. Ishibashi, “Evaluation on Recording Error of Magnetic Domains in Magneto-Optical Diffractive Deep Neural Network Devices”, IEEJ Technical Meeting on Magnetics, Tohoku Gakuin University, Sendai, Japan, 2024/8/8.
• T. Ishibashi, “Fabrication of Highly Bi-Substituted Magnetic Garnet Films and Their Application to AI Devices”, The 217th Spinix Research Meeting, Tohoku University, Sendai, Japan, 2024/7/25, Invited.

Books, Chapters in Book, Review Articles, etc.

• T. Ishibashi, “Magneto-optical Diffractive Deep Neural Network, Magnetics Japan (Magnetics Society of Japan), Vol. 19, No. 6, 2024/12/1.
• L. Shuyuan, D. Minemura, Y. Shoji, “Silicon-Based Integrated Polarization-Independent Magneto-Optical Isolator”, KOGAKU: Japanese Journal of Optics (Optical Society of Japan), Vol. 53, No. 6, p. 252, 2024/6/1.

Awards

• S. Eto, “PCOS Award”, The 36th Symposium on Phase Change Oriented Science (PCOS 2024), 2024/11/19.

Patents

• K. Takiguchi, “Optical Computing Device”, Patent Application No. 2024-139964, 2024/8/21.