Output
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2026 Yajima Lab.
- In-memory computing with volatile proton devices(invited)
- Takeaki Yajima
IEEE Electron Devices Technology and Manufacturing (EDTM) (Penang), Mar 2, 2026
- Hydrogen Pressure Phase Diagram for Reversible Proton Doping into VO₂
- Satoshi Hamasuna*, Nada Besisa, Kazuya Tsuruda, Yoshihiro Furue, Takeaki Yajima
2026MRS SPRING MEETING & EXHIBIT EL01.07 (Honolulu,Apr 28)
- Ultra-Wide-Range Temperature Compensation in Proton-Based Analog Reservoir Computing
- Yoshihiro Furue*, Nada Besisa, Satoshi Hamasuna, Kazuya Tsuruda, Takeaki Yajima
2026MRS SPRING MEETING & EXHIBIT EL01.11(Honolulu,Apr 29)
- A Distributed Architecture Power Circuit for On-Demand Environmental Energy Harvesting
- Sun ShiYuan1, Takeaki Yajima1
IEICE General Conference (Fukuoka, March 10, 2026)
- Designing Asymmetric Memristive Behavior in Proton Mixed Conductors for Neuromorphic Applications
- Nada HussienAminMohamed Besisa1, Masaki Tsuji1, Yoshihiro Furue1, Satya P. Pati2, Satoshi Hamasuna1, Takeaki Yajima1 (1.Kyushu University, 2.North-Eastern Hill University)
JSAP Spring 17a-PA2-1~26 (Tokyo, March 17, 2026)
- Temperature compensation method over a wide range for real-time analog reservoirs implemented with protonic devices
- Yoshihiro Furue1, Satoshi Hamasuna1, Kazuya Tsuruda1, Nada Besisa1, Takeaki Yajima1
JSAP Spring 16a-M_123-1~13 (Tokyo, March 16, 2026)
- Demonstration of a proof-of-concept integrated temperature sensor sheet based on phase-transition oxides
- Kosuke Kayano1, Sang-Gyu Koh2、Satoshi Hamasuna1, Shiyuan Sun1, Takaaki Miyasako2, Tadasu Hosokura2, Takeaki Yajima1 (1.Kyushu University, 2.Murata Manufacturing Co., Ltd.)
JSAP Spring 15a-WL2_101-1~10 (Tokyo, March 15, 2026)
- VO₂ phase diagram under varying hydrogen partial pressures and the effect of interfacial kinetics
- Satoshi Hamasuna, Takeaki Yajima
JSAP Spring 15p-WL2_101-1~13 (Tokyo, March 15, 2026)
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2026 Kawakami Lab.
- Next-Generation Computing Platforms Enabled by Photonic Technologies(invited)
- Satoshi Kawakami
The 24th Kyushu University–NTT Technology Exchange Meeting, 19 Mar. 2026.
- Challenges and Prospects of Optical Computing: Device–Architecture Co-Design from the Perspective of Scaling Laws(invited)
- Satoshi Kawakami
The 4th Workshop of the Optical Materials and Applied Technologies Research Group, 9 Mar. 2026.
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2025 Yajima Lab.
- VO2 for Future Electronics: from Mott Transistors to Thermal A/D Converters(invited)
- Takeaki Yajima
Materials Research Meeting 2025 (MRM2025), Dec. 11, 2025
- Real-time Denoising of Blood Glucose Data Using Echo State Network
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Chenghao Wang1, Yifan Geng1, Takeaki Yajima1
IEICE Society Conference 2025 B-19-10, Sep. 11, 2025
- Bit-width reduction of Echo State Network using Bayesian optimization
- Yifan Geng1, Takeaki Yajima1
IEICE Society Conference 2025 A-1-03, Sep. 9, 2025
- The study of VO2 phase diagram under the effective of hydrogen gas pressure
- Satoshi Hamasuna1, Takeaki Yajima1
JSAP Spring 9p-N206-9, Sep. 9, 2025
- An 8-bit, Nanowatt-Level SAR ADC for Voltage and Current conversion in Energy Harvesting Circuits
- Junhang Yin,Shiyuan Sun,Takeaki Yajima
IEE-MSS, Aug. 7, 2025
- Design and Applications of Analog and Digital Reservoir Computing(invited)
- Takeaki Yajima
The 4th Optical Computing Technology Technical Committee, The Laser Society of Japan, Aug. 7, 2025
- In-memory computing with volatile proton devices(invited)
- Takeaki Yajima
The 5th International Symposium on emerging Memory and Computing – ISMC 2025, Jun. 4, 2025
- A Temperature Distribution Sensor Sheet Architecture Based on Phase-Transition Materials and Digital Circuits
- Kosuke Kayano1, Sang-Gyu Koh2、Satoshi Hamasuna1, Shiyuan Sun1, Takaaki Miyasako2, Tadasu Hosokura2, Takeaki Yajima1 (1.Kyushu University, 2.Murata Manufacturing Co., Ltd.)
2025 Workshop on LSI and Systems May. 13, 2025
- A Distributed-Architecture-Based Multi-Input Multi-Output Power Conversion Circuit for Energy Harvesting Applications
- Sun ShiYuan, Takeaki Yajima
2025 Workshop on LSI and Systems May. 2025
- Reversible Proton Control at Pt/VO2 Interface via Metal-Insulator Transition and Drift-Diffusion Equilibrium
- Satoshi Hamasuna1,Nada Besisa1,Kazuya Tsuruda1,Yoshihiro Furue1,Takeaki Yajima1
2025 MRS Spring Meeting & Exhibit, Seattle, April 11, 2025
- Fundamental Study of a Large-Scale, Power-Saving Temperature Sensor Sheet that Mimics Human Skin
- Kosuke Kayano1, Takeaki Yajima1
IEICE General Conferenc,Tokyou Setagaya,A-1-02,Mar.28 2025
- Real-time personal authentication using Echo State Network
- Yifan Geng1, Takeaki Yajima1
IEICE General Conferenc,Tokyou Setagaya,B-19-22,Mar.27 2025
- Ultra-energy-efficient IoT technology inspired by the neural circuits of living organisms(invited)
- Takeaki Yajima
Mar.20 2025
- Electrochemical impedance spectroscopy of artificial protonic synaptic devices
- Nada HussienAminMohamed Besisa1, K. Tsuruda1, M. Tsuji1, S. Hamasuna1, S. P. Pati2, Takeaki Yajima1
JSAP Spring, 16a-K203-8, Noda, Mar. 16, 2025
- Low-power short-term memory devices using proton reversible transfer in the Pd/ZrO2/WO3/Pd heterostructure
- Kazuya Tsuruda1, Masaki Tsuji1, Satoshi Hamasuna1, Takeaki Yajima1
JSAP Spring, 16a-K203-7, Noda, Mar. 16, 2025
- The voltage control of proton transport in mixed conductor VO2.
- Satoshi Hamasuna1, Takeaki Yajima1
JSAP Spring, 16a-K203-6, Noda, Mar. 16, 2025
- Real-time information processing via volatile resistance change in scalable protonic devices(invited)
- Takeaki Yajima
Workshop for Slow Electronics in AIST, Mar.6 2025
- Neuromorphic information processing using spike signals and short-term memories (invited)
- Takeaki Yajima
2025 International Workshop on Emerging Device and Circuit Technologies (UAAT-KOOU), Mar. 3, 2025
- Ultra-energy-efficient IoT technology inspired by the neural circuits of living organisms(invited)
- Takeaki Yajima
Jun.29 2025
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2025 Kawakami Lab
- Temporal Organizational Segmentation with SyncMapV2 and Reservoir Computing
- Vargas Danilo Vasconcellos, Zhang Heng and Satoshi Kawakami
The 7th conference of photonic computing highlighting the ultimate nature of light, Dec. 2025.
- Groug-Wise Quantization of LLM on Photonic AI Accelerator
- Taichi Taniguchi, Mitsumasa Nakajima and Satoshi Kawakami
The 7th conference of photonic computing highlighting the ultimate nature of light, Dec. 2025.
- ystem-Level Analysis for Photoelectric Computer Architecture
- Satoshi Kawakami, Takatsugu Ono and Vargas Danilo Vasconcellos
The 7th conference of photonic computing highlighting the ultimate nature of light, Dec. 2025.
- Experimental validation of module-based discrete-event simulator of quantum interconnects
- Zhang Yuchen, Nagayama Shota, Akihito Soeda, Kawakami Satoshi, Ono Takatsugu, and Tanimoto Teruo
IPSJ SIG Technical Reports, 2025-ARC-255 (X), pp.X-X, Dec. 2025.
- Towards Ultra-Low Power Computing: SFQ Brownian Logic Circuits”(invited)
- Satoshi Kawakami
International Workshop on Quantum, Cryogenic and Superconductive Computing (QUEST), 27th Oct. 2025.
- Proposal of an Optical Recurrent Matrix Computation Circuit Using a Deep Equilibrium Model
- Syui Yamada, Shinsuke Otsuka, Syouta Kita, and Satoshi Kawakami
Computer System Architecture Summer Workshop 2025, Sep. 2025.
- Proposal and Analysis of Fundamental Devices in Noise-Driven Single-Flux-Quantum Computing Circuits
- Sousi Takagi, Zhang Yixiao, Masamitsu Tanaka, Koji Inoue and Satoshi Kawakami
Computer System Architecture Summer Workshop 2025, Sep. 2025.
- Error Resilience Improvement Methods for LLMs on Parallel Optical Accelerators Based on Wavelength-Division Multiplexing
- Taichi Taniguchi, Mitsumasa Nakajima and Satoshi Kawakami
Computer System Architecture Summer Workshop 2025, Sep. 2025.
- Challenges and Opportunities of Optical Computing from the Perspective of Computer System Architecture(invited)
- Satoshi Kawakami
JIPI Seminar, 10 Sep. 2025.
- Scaling Low of Photonic Accelerators for LLM
- Taichi Taniguchi, Mitsumasa Nakajima and Satoshi Kawakami
The 6th conference of photonic computing highlighting the ultimate nature of light, Aug. 2025.
- System-Level Evaluation for Photoelectric Computer Architecture
- Satoshi Kawakami, Takatsugu Ono and Vargas Danilo Vasconcellos
The 6th conference of photonic computing highlighting the ultimate nature of light, Aug. 2025.
- Runtime Detection of Thermal Fault Injection Attacks on Optical Neural Networks
- Kota Nishida, Yoshihiro Midoh, Noriyuki Miura, Satoshi Kawakami, Alex Orailoglu, and Jun Shiomi
IPSJ SIG Technical Reports, pp.163-170, Aug. 2025 (DA Symposium).
- Design and Implementation of a Discrete-Event Simulator of Quantum Interconnect: a case for Bell-State Swapping
- Zhang Yuchen, Satoshi Kawakami, Takatsugu Ono, and Teruo Tanimoto
Research Report of Information Processing Society of Japan, Jul.2025 (SWoPP),Young Scientist Award.
- Prospects for Optical Computing System Architectures(invited)
- Satoshi Kawakami
JSAP 175th Microoptics Meeting [AI and Optics],Jun.2 2025
- Consideration of a tamper-resistant optical neural network that detects thermal fault injection attacks at runtime
- Kota Nishida, Yoshihiro Midoh, Noriyuki Miura, Satoshi Kawakami and Jun Shiomi
LSI and Systems Workshop, May. 2025
- Proposal and Analysis of Basic Elements in Noise-Driven Single Flux Quantum Computation Circuits
- Sousi Takagi, Zhang Yixiao, Masamitsu Tanaka, Koji Inoue and Satoshi Kawakami
LSI and Systems Workshop, May. 2025
- Evaluation of prediction performance and consumption energy of approximate reservoir computing using a semiconductor laser
- Tatsuki Ito, Kazutaka Kanno, Satoshi Kawakami , Atsushi Uchida
IEICE Technical Committee Submission System Conference,vol.124, no.442, CCS2024-66, pp.65-70, Mar.2025.
- Investigation of performance of approximate reservoir computing using light
- Tatsuki Ito, Kazutaka Kanno, Satoshi Kawakami and Atsushi Uchida
IEICE General Conferenc,N-2-13,Mar.2025
- Toward an Analog Scaling Law for Photonic Computing
- Satoshi Kawakami
Japan Radio Science Meeting in the International Union of Radio Science (URSI-JRSM), 2nd Mar. 2025.
- Towards Ultra-Efficient Photonic Computer System ~ from a computer architecture perspective ~(invited)
- Satoshi Kawakami
SPIE. Photonics West, AI and Optical Data Sciences VI, 25th Jan. 2025.
- SecONN: An Optical Neural Network Framework with Concurrent Detection of Thermal Fault Injection Attacks
- Kota Nishida, Yoshihiro Midoh, Noriyuki Miura, Satoshi Kawakami and Jun Shiomi
Work-in-Progress poster in Design Automation Conference (DAC), Jun. 2025.
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2024 Yajima Lab.
- Information processing with “electrons” and “protons” inside heterostructures(invited)
- Takeaki Yajima
Technical meeting in the Institute of Electrical Engineering of Japan, Dec.25, 2024
- Information processing with electrons and protons inside heterostructures(invited)
- Takeaki Yajima
JAIST seminar,Dec.25 2024
- In-memory computing with volatile proton devices(invited)
- Takeaki Yajima
International Workshop on Iontronics 2024, Nov.1 2024
- Stable conductance modulation in WO3-based proton devices via O2 removal
- Masaki Tsuji1, Kazuya Tsuruda1, Nada Besisa1, Satoshi Hamasuna1, Satya Prakash Pati1,2, Takeaki Yajima
iWOE-30, Poster Session P2-35, Oct.1 2024
- Electrochemical impedance spectroscopy of artificial protonic synaptic devices
- Nada H.A. Besisa1*, S. P. Pati2, M. Tsuji1, K. Tsuruda1, S. Hamasuna1, Takeaki Yajima1
iWOE-30, Poster Session P2-28, Oct.1 2024
- In-memory computing with volatile proton devices(invited)
- Takeaki Yajima
Mini crossover seminar on functional materials 2024,Sep.26 2024
- Online training of the energy harvester by using extreme learning machine
- Yuxiang Wen1, Takeaki Yajima1
JSAP Autumun, 16p-A33-3, Niigata, Sep. 16, 2024
- Realtime handwriting anomaly detection using an FPGA-based spiking reservoir
- Hisashi Inoue1, Hiroto Tamura2, Ai Kitoh1, Xiangyu Chen3, Zolboo Byambadorj3, Takeaki Yajima4, Yasushi Hotta5, Tetsuya Iizuka3, Gouhei Tanaka2,6 ,Isao Inoue1
JSAP Autumun, 16p-A33-2, Niigata, Sep. 16, 2024
- Low-power IoT with neuromorphic technology(invited)
- Takeaki Yajima
JSAP Autumun, 16p-A33-1, Niigata, Sep. 16, 2024
- Multi-input multi-output power supply circuit for energy harvesting based on local autonomous control
- Shiyuan Sun and Takeaki Yajima
IEICE Society Conference, C-12-0,Saitama,Sep.12 2024
- Improving the accuracy of blood glucose prediction by using noise in Echo State Network
- Geng Yifan and Takeaki Yajima
IEICE Society Conference, B-19-09,Saitama,Sep.12 2024
- 1 mV-input voltage step-up circuit for ultra-low voltage thermoelectric power generator
- Shiyuan Sun, Hang Yin, Satoshi Hamasuna, Satya Prakash Pati, Takeaki Yajima
SSDM 2024, F-4-01, Sep.3 2024
- EH-driven IoT devices with energy-saving power circuits(invited)
- Takeaki Yajima
Aug.23, 2024
- Energy-saving IoT technology learned from biological neural circuits (invited)
- Takeaki Yajima
Jul.23, 2024
- Designing Nonlinearity in a Voltage-controlled Ring Oscillator for Reservoir Computing Hardware
- Nyi Nyi Tun and Takeaki Yajima
NOLTA Society,Poster SessionB,NLS-30,Jun.8 2024
- A Peek into the Future of AI x Optics from AI x Computing Device (invited)
- Takeaki Yajima
Apr.2, 2024
- Study of proton confinement in WO3 two-terminal device by changing atmosphere
- Masaki Tsuji, Kazuya Tsuruda, Satya Prakash Pati and Takeaki Yajima
JSAP spring program#24p-12G-2（Tokyo Setagaya, 2024.3.24）
- Short-term memory devices using reversible proton transfer at the Pd/MoO3 interface
- Kazuya Tsuruda, Masaki Tsuji, Satya Prakash Pati and Takeaki Yajima
JSAP spring program#24p-12G-3（Tokyo Setagaya, 2024.3.24）
- The evaluation of incubation time in VO2 thermally induced phase transition by microheater heating
- Satoshi Hamasuna, Satya Prakash Pati and Takeaki Yajima
JSAP spring program#24p-12G-7（Tokyo Setagaya, 2024.3.24）
- Large improvement in blood glucose prediction accuracy by reducing noise in the echo-state network
- Geng Yifan and Takeaki Yajima
JSAP spring program#24a-31A-9（Tokyo Setagaya, 2024.3.24）
- Simplified power management circuit for energy harvesting based on local autonomous control
- Shiyuan Sun and Takeaki Yajima
IEICE JPN Ed., c-12-11, Hiroshima,Mar.7 2024
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2024 Kawakami Lab
- Spatial Relativity – Robust Approximate Computing AI
- Vargas Danilo Vasconcellos, Zhang Heng, Takatsugu Ono and Satoshi Kawakami
The 5rd conference of photonic computing highlighting the ultimate nature of light, Dec. 2024.
- Error Tolerance Improvement Methods of LLM for WDM-based Parallel Photonic Accelerator
- Taichi Taniguchi, Mitsumasa Nakajima and Satoshi Kawakami
The 5rd conference of photonic computing highlighting the ultimate nature of light, Dec. 2024.
- System-Level Evaluation Environment for Photoelectric Computer Architecture
- Satoshi Kawakami, Takatsugu Ono and Vargas Danilo Vasconcellos
The 5rd conference of photonic computing highlighting the ultimate nature of light, Dec. 2024.
- Optical Computing System Architecture(invited)
- Satoshi kawakami
Optics & Photonics Japan (OPJ) , Nov.29 2024.
- Run-time detection of thermal fault injection attacks on optical neural networks
- Kota Nishida, Yoshihiro Mido, Noriyuki Miura, Satoshi Kawakami and Jun Shiomi
Research Report of Information Processing Society of Japan, 2024-SLDM-207 (41), pp.1-6, Nov.2024(Design Gaia),Special Session Award.
- Approximate reservoir computing with semiconductor lasers
- Tatsuki Ito, Kazutaka Kanno, Satoshi Kawakami and Atsushi Uchida
IEICE NOLTA Society Convention NLP-CCS Joint Workshop,N-2-07, Sep.2024.
- A Nano-Photonic Accelerator for Recurrent Neural Networks(invited)
- Shinsuke Ohtsuka, Eito Sato, Koji Inoue and Satoshi Kawakami
Kyushu University-Twente University Joint Workshop on Semiconductor-related studies, 6th Sep. 2024.
- Error Tolerance analysis of LLM for WDM-based Parallel Photonic Accelerator
- Taichi Taniguchi, Mitsumasa Nakajima and Satoshi Kawakami
The 4rd conference of photonic computing highlighting the ultimate nature of light, Aug. 2024.
- Quantization and Performance Evaluation of Approximate Reservoir Computing with Light
- Tatsuki Ito, Kazutaka Kanno, Satoshi Kawakami and Atsushi Uchida
The 4rd conference of photonic computing highlighting the ultimate nature of light, Aug. 2024.
- Thermal Fault Injection and Runtime Detection for Optical Neural Network
- Kota Nishida, Yoshihiro Midoh, Noriyuki Miura, Satoshi Kawakami and Jun Shiomi
The 4rd conference of photonic computing highlighting the ultimate nature of light, Aug. 2024.
- Integrated Evaluation Environment for Photoelectric Computer Systems Architecture
- Satoshi Kawakami, Takatsugu Ono and Vargas Danilo Vasconcellos
The 4rd conference of photonic computing highlighting the ultimate nature of light, Aug. 2024.
- Learning with Self-Organizing Dynamical Equations (SODE) and Random Networks
- Vargas Danilo Vasconcellos, Takatsugu Ono and Satoshi Kawakami
The 4rd conference of photonic computing highlighting the ultimate nature of light, Aug. 2024.
- Fundamentals of Light and Computer Architecture Ⅱ(invited)
- Satoshi Kawakami
The 2nd “Light and Information” Summer School, Jul.30 2024.
- Fundamentals of Light and Computer Architecture I(invited)
- Satoshi Kawakami
The 2nd “Light and Information” Summer School, Jul.29 2024.
- Quantization and Energy Consumption in Approximate Reservoir Computing
- Tatsuki Ito, Kazutaka Kanno, Satoshi Kawakami and Atsushi Uchida
Complex Communication Sciences (CCS), Vol.124, No.138, CCS2024-31, pp.16-21, Jul. 2024.
- Parallel Photonic Matrix Processor Based on Space and Wavelength Division Multiplexing(invited)
- Mitsumasa Nakajima, Satoshi Kawakami, Kohei Ikeda and Toshikazu Hashimoto
IEEE-SUM/PSC2024, 15th Jul. 2024.
- Quantization and Performance Evaluation of Approximate Reservoir Computing with Light
- Tatsuki Ito, Kazutaka Kanno, Satoshi Kawakami and Atsushi Uchida
IEICE NOLTA Society Convention NLP-CCS Joint Workshop, NLS-4, Jun. 2024
- Investigation of surface code decoder architecture utilizing reconfigurability of cryogenic non-volatile FPGAs
- Tesshu Nakamura, Makoto Miyamura, Koji Inoue, Satoshi Kawakami, Toshitsugu Sakamoto, Munehiro Tada and Teruo Tanimoto
The 248th System Architecture, The 205th System and LSI Design Technologies, The 65th Joint Conference on Embedded Systems(ETNET2024), Mar.2024
- Analog Photonics Simulation Based on Hardware Experiment: Case Studies for Large-Scale AI-Model and LORA-Based Fine Tuning
- Mitsumasa Nakajima, Kohei Ikeda, Satoshi Kawakami and Toshikazu Hashimoto
JSAP Spring research paper 24a-31A-1, Mar.2024
- Parallel neuromorphic computing on space and wavelength division multiplexed photonic processor(invited)
- Mitsumasa Nakajima, Satoshi Kawakami, Kohei Ikeda and Toshikazu Hashimoto
In Proceedings of AI and Optical Data Sciences V, SPIE, Vol. 12903, pp.129030I, 13th Mar. 2024.
- Hybrid Optoelectronic Computer System Architecture Exploration(invited)
- Satoshi Kawakami
International Symposium on Photonic Computing, 12th Mar. 2024
- Architecture Exploration for Opt-Electrical Computing System
- Satoshi Kawakami, Takatsugu Ono and Vargas Danilo Vasconcellos
Poster session in International Symposium on Photonic Computing, 11th Mar. 2024
- Challenges and Possibilities of Photoelectric Fusion Computer System Architecture(invited)
- Satoshi Kawakami
JACI Electronics and Information Technology Subcommittee Nanophotonics Electronics Exchange Meeting, 27th Fev. 2024
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2023 Yajima & Kawakami Lab.
- Design of The Ultra-Low-Power Driven VMM Configurations for μW Scale IoT Devices
- Keisuke Takano, Takeaki Yajima and Satoshi Kawakami
MCSoC 2023, Singapore, 18-21 December 2023
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2023 Yajima Lab.
- Neuromorphic device design using oxide phase transitions and protons(invited)
- Takeaki Yajima
The 258th JOEM Research Meeting Dec.18 2023
- Designing neuromorphic devices using protons(invited)
- Takeaki Yajima
IWDTF 2023, Oct 24, 2023
- Empowering Efficiency: Scaling Device Area for Ultra-low-power Dissipation in Protonic Synapses
- S. P. Pati, S. Hamasuna and T. Yajima
SAP Autumn program#23p-A307-3（Kumamoto, 2023.9）
- The dynamic of field induced Metal to Insulator transition in VO2 three-terminal device
- Satoshi Hamasuna, Satya Prakash Pati, Takeaki Yajima
JSAP Autumn program#21a-A307-2（Kumamoto, 2023.9）
- Neuromorphic Devices Using Oxide Heterostructures and Protons(invited)
- Takeaki Yajima
JSAP Autumn program#20p-A304-6（Kumamoto, 2023.9）
- Frontiers of Energy Conversion Based on Electron and Ion Transport at Surfaces and Interfaces
- Teruo Kanki(Osaka Univ.), Takeaki Yajima(Kyushu Univ.) and Takashi Tsuchiya(NIMS)
JSAP Autumn program#22p-A303-1~7（Kumamoto, 2023.9）
- Scaling of Device Area for Ultra-low-power Dissipation in 2-terminal Protonic Artificial Synapses
- Satya Prakash Pati, Satoshi Hamasuna and Takeaki Yajima
SSDM 2023 B-6-03, Nagoya, Sep 8,2023
- Neuromorphic information processing using proton(invited)
- Takeaki Yajima
Neuromorphic system with new materials and mechanism, Aug 31, 2023
- Neuromorphic Functional Design Using Solid-State Proton Device(invited)
- Takeaki Yajima
The 85th Solid State Ionics Meeting, Jul 21, 2023
- Towards Ultra Low Power Dissipation in Electronic Devices through Voltage-controlled Phenomena and Device Architecture
- Satya Prakash Pati
ICLED-2023 SINGAPORE, June 29-July 1,2023
- Towards Ultra Low Power Dissipation in Electronic Devices through Voltage-controlled Phenomena and Device Architecture(invited)
- Satya Prakash Pati
ICLED-2023 Singapore, Jun 29, 2023
- Edge AI using spiking neural networks and its application to energy harvesting(invited)
- Takeaki Yajima
Energy Harvesting Consortium General Meeting, Jun 16, 2023
- The Time Scale of Metal-Insulator Transitions by Electrostatic Gating in a Solid-State Three-Terminal VO2 Device
- Satoshi Hamasuna, Satya Prakash Pati and Takeaki Yajima
2023 MRS Spring Meeting & Exhibit, SanFrancisco, April 12, 2023
- Low-Voltage Control of Synaptic Behavior in WO3 based Two Terminal Protonic Devices
- Satya Prakash Pati, Satoshi Hamasuna and Takeaki Yajima
2023 MRS Spring Meeting & Exhibit, SanFrancisco, April 12, 2023
- Modulation of synaptic behavior in a 2-terminal protonic device through proton potential and applied voltage
- Satya Prakash Pati, Satoshi Hamasuna and Takeaki Yajima
JSAP Spring program#18a-A302-6（Yotsuya, 2023.3）
- Design of Neuromorphic Information Devices Using Protons(invited)
- Takeaki Yajima
JSAP Spring program#16a-A404-7（Yotsuya, 2023.3）
- Equivalence of gate-induced and temperature-induced phase transitions in VO2 three-terminal devices
- Satoshi Hamasuna, SatyaPrakash Pati and Takeaki Yajima
JSAP Spring program#15a-A409-2（Yotsuya, 2023.3）
- Trends in Power Supply Circuit Technology for Widespread Use of Environmental Power Generation(invited)
- Takeaki Yajima
SDRJ Committee, Jun 11, 2023
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2023 Kawakami Lab
- Next-Generation Computer System Architecture with Emerging Devices: Challenges and Opportunities(invited)
- Satoshi Kawakami
Yonsei University, 12th Dec. 2023
- Analyzing Carbon Footprint Implications of Hardware Replacement: Preliminary Evaluation Targeting CPUs in Supercomputer Systems
- Kuan Yi Ng, Takeshi Nanri, Teruo Tanimoto, Satoshi Kawakami and Koji Inoue
Research Report of Information Processing Society of Japan,2023-ARC-255 (13), pp.1-8, Nov.2023
- Computer Architecture for Photoelectric Fusion Computer Systems(invited)
- Satoshi Kawakami
Open seminar on Optical✕Computing, 27th Oct. 2023
- Photonic Computing Highlighting Ultimate Nature of Light
- Makoto Naruse, Michihiro Koibuchi, Satoshi Kawakami, Atsushi Uchida, Tetsuya Kawanishi, Satoshi Sunada and Akifumi Kasamatsu
Neuromorphic Natural and Physical Computing: Interdisciplinary Foundations (NNPC), Oct., 2023
- Evaluating floating-point multipliers with opto-electrical hybrid circuits
- Takumi Inaba, Takatsugu Ono, Koji Inoue and Satoshi Kawakami
Poster session in ACM International Conference on Computing Frontiers (CF), 9th – 11th May 2023
- Sharing of Optical Research Trends at the International Symposium on High-Performance Computer Architecture(invited)
- Satoshi Kawakami
ARC x Optical Research Group, 21th Apr.2023
- An Approach to Photonic Computing – Approaching the Extreme Performance of Light-(invited)
- Kenichi Kitayama, Hirotsugu Yamamoto, Hideharu Amano, Masaya Notomi, Tetsuya Kawanishi, Satoshi Kawakami, Akifumi Kasamatsu and Makoto Naruse
Creation of Photonic Computing to Take Advantage of the Extreme Performance of Light 2nd Area Conference, 27th Mar.2023
- Demonstration of a Superconductor 8-Bit Microprocessor Based on High-Throughput Single-Flux-Quantum Logic Circuits(invited)
- Masamitsu Tanaka, Ikki Nagaoka, Satoshi Kawakami, Teruo Tanimoto, Takatsugu Ono, Koji Inoue, and Akira Fujimaki
The East Asia Symposium on Superconductor Electronics (EASSE), Mar. 2023
- Integrated evaluation environment for photoelectric fusion computer systems
- Satoshi Kawakami, Takatsugu Ono and Vargas Danilo Vasconcellos
Creation of Photonic Computing to Take Advantage of the Extreme Performance of Light 2nd Area Conference, Mar.2023
- Design and analysis of nanophotonic accelerators for RNNs
- Eito Sato, Koji Inoue and Satoshi Kawakami
Creation of Photonic Computing to Take Advantage of the Extreme Performance of Light 2nd Area Conference, Mar.2023
- Photoelectric fusion floating-point multiplier
- Takumi Inaba, Takatsugu Ono, Koji Inoue and Satoshi Kawakami
Creation of Photonic Computing to Take Advantage of the Extreme Performance of Light 2nd Area Conference,Mar.2023
- System structure research for optimal coupling of optical infrastructure and applications
- Satoshi Kawakami, Takatsugu Ono and Vargas Danilo Vasconcellos
Creation of Photonic Computing to Take Advantage of the Extreme Performance of Light 2nd Area Conference, Mar.2023
- RTL Design of Surface Code Decoder for Error Tolerant Quantum Computers for Cryogenic Nonvolatile FPGAs
- Tesshu Nakamura, Koji Inoue, Satoshi Kawakami, Toshitugu Sakamoto, Munehiro Tada and Teruo Tanimoto
Research Report of Information Processing Society of Japan,2023-ARC-252(27), pp.1-10, Mar.2023 (ETNET)
- Task Decomposition Theory of Optical and Electrical Systems for Photonic Computing(invited)
- Satoshi Kawakami
IEICE General Conference, Society Special Session,7th Mar.2023
- Optical computing research in the architecture field(invited)
- Satoshi Kawakami
ARC x Optical Research Group, 27th Jan. 2023
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2022 Yajima Lab.
- An Ultra-low-voltage Synaptic Behavior of WO3/Pd based 2-terminal Protonic Memristive Device
- Satya Prakash Pati, Satoshi Hamasuna and Takeaki Yajima
ssdm2022 H-2-02（online, 2022.9）
- Study on 1mV-class boost circuits for thermoelectric power generation
- Yin Hang and Takeaki Yajima
IEICE Society Conference 2022 program#C-12-1（Online, 2022.9）
- Ultra-sharp conductance change with proton potential in WO3 heterostructure
- Satya Prakash Pati, Satoshi Hamasuna and Takeaki Yajima
JSAP Autumn program#21a-B204-4（Kawauti-Kita, 2022.9）
- Study of the rate of insulator transition in VO2 three terminal device
- Satoshi Hamasuna, Satya Prakash Pati, and Takeaki Yajima
JSAP Autumn program#21p-C105-10（Kawauti-Kita, 2022.9）
- Neuromorphic device design for a sustainable society(invited)
- Takeaki Yajima
Gakushin R031 Committee on Hybrid Quantum Nanotechnology, 7th meeting, Aug 3, 2022
- Smart energy extraction from energy harvesters using timing-based asynchronous digital circuits(invited)
- Takeaki Yajima
IEEE-NEMS2022, Apr 15, 2022
- Low-power circuits for energy harvesters based on spiking-neuron delay elements (invited)
- Takeaki Yajima
WuMW2021, Apr 4, 2022
- Electrical control of two-terminal protonic device using an amorphous WO3 thin film
- Satya Prakash Pati, Satoshi Hamasuna and Takeaki Yajima
JSAP Spring program#23p-E204-6（Sagamihara, 2022.3).
- Strong connection of static and transient characteristics in VO2 metal-insulator transition
- Satoshi Hamasuna, Satya Prakash Pati and Takeaki Yajima1
JSAP Spring program#22a-E204-7（Sagamihara, 2022.3).
- Next-generation switching devices based on metal-insulator transitions(invited)
- Takeaki Yajima
ISPlasma2022, Mar 9, 2022
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2022 Kawakami Lab
- Improving Performance per Power by Tolerating Arithmetic Errors in a Machine Learning Accelerator Using a Single Flux Quantum Circuit
- Yuta Hano, Iori Ishikawa,Keigo Kamoshida, Satoshi Kawakami, Teruo Tanimoto, Takatsugu Ono, Masamitsu Tanaka and Koji Inoue
IEICE Research Report,Dec.2022 (ICD/CAS Study Group)
- Challenges and Opportunities for Optical Computing System Architecture(invited)
- Satoshi Kawakami
Optics & Photonics Japan (OPJ) , 15th Nov.2022
- High-Throughput Single-Flux-Quantum Circuits Based on Gate- Level-Pipelining toward Artificial Intelligence Applications(invited)
- Masamitsu Tanaka, Ikki Nagaoka, Satoshi Kawakami, Teruo Tanimoto, Takatsugu Ono, Koji Inoue, and Akira Fujimaki
The Superconducting SFQ VLSI Workshop (SSV), Nov. 2022
- Non-Volatile FPGA-based Intermittent Computing and Its Performance Analysis
- Aalaa M.A. Babai, Kuan Yi Ng, Teruo Tanimoto, Satoshi Kawakami and Koji Inoue
Research Report of Information Processing Society of Japan,2022-ARC-250 (14), pp.1-7, Oct.2022 (HotSPA)
- Study and Quantitative Evaluation of Cache Memory Configuration Methods for Single Flux Quantum Processors
- Keigo Kamoshida, Iori Ishikawa,Yuta Hano, Satoshi Kawakami, Teruo Tanimoto, Takatsugu Ono, Masamitsu Tanaka, Akira Fujimaki and Koji Inoue
Research Report of Information Processing Society of Japan,2022-ARC-249 (7), pp.1-10, Jul.2022 (SWoPP)
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2021 Yajima Lab.
- Codesign of materials and circuits for neuromorphic edge computing (invited)
- Takeaki Yajima
Symposium of The Society of Nano Science and Technology, Dec 1, 2021
- Circuit for vibration power generation by asynchronous digital control (invited)
- Takeaki Yajima
Cutting edge of energy harvesting related technology (Japan Society of Applied Physics Energy Harvesting Research Group), Nov 22, 2021
- Ultra-sharp three-terminal switch using nano-scale phase transition material (invited)
- Takeaki Yajima
34th International Microprocesses and Nanotechnology Conference (MNC 2021), Oct 28, 2021
- Research on low power electronics based on neuron circuits and materials properties (invited)
- Takeaki Yajima
Neuromorph Lunch-on Seminar, Oct 20, 2021
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2021 Kawakami Lab
- Challenges and Possibilities of Utilizing Optical Devices from the Perspective of Computer Architecture(invited)
- Satoshi Kawakami
Japan Electronics and Information Technology Industries Association(JEITA) Subcommittee on Device Technology Toward Non-Neumannian Information Processing, 20th Dec. 2021
- Towards noise-driven computing(invited)
- Satoshi Kawakami
The Superconducting SFQ VLSI Workshop (SSV), 10th Nov. 2021
- Design of a gate-level pipelined floating-point arithmetic unit based on a single flux quantum circuit
- Ikki Nagaoka, Ryota Kashima, Masamitsu Tanaka, Taro Yamashita, Satoshi Kawakami, Koji Inoue and Akira Fujimaki
The Institute of Electronics, Information and Communication Engineers (IEICE) Proceedings of the Society Conference, C-8-18, Sep.2021
- Design of Nanophotonic Accelerators for Simple Recurrent Neural Networks
- Eito Satoh, Satoshi Kawakami, Keitaro Oka, Teruo Tanimoto, Takatsugu Ono and Koji Inoue
Research Report of Information Processing Society of Japan,2021-ARC-245 (5), pp.1-8, Jul.2021(SWoPP)
- Optoelectronic Fusion Computing Architecture Using Integrated Nanophotonics(invited)
- Satoshi Kawakami
The Institute of Electronics, Information and Communication Engineers (IEICE) Systems Nano Technology Research Group, 29th Jun 2021
- Towards Ultra-Efficient Nanophotonic AI Acceleration ~ from a computer architecture perspective ~(invited)
- Koji Inoue and Satoshi Kawakami
Optical Fiber Communication Conference (OFC), Tu1H.1, 6-11th Jun 2021
- Design of a bit-width-variable adder using a single-flux quantum circuit
- Iori Ishikawa, Ikki Nagaoka, Koki Ishida, Kosuke Fukumitsu, Keitaro Oka, Masamitsu Tanaka, Satoshi Kawakami, Teruo Tanimoto, Takatsugu Ono, Akira Fujimaki and Koji Inoue
LSI and Systems Workshop,May 2021
- Prototype design of a neural network accelerator using a single flux quantum circuit
- Kosuke Fukumitsu, Koki Ishida, Ikki Nagaoka, Ryouta Kashima, Iori Ishikawa, Keitaro Oka, Masamitsu Tanaka, Satoshi Kawakami, Teruo Tanimoto, Takatsugu Ono, Akira Fujimaki and Koji Inoue
LSI and Systems Workshop,May 2021
- Design and Implementation of a CPU-FPGA Hybrid System for Eulerian Video Exaggeration Processing Using Halide
- Rin Ueno, Teruo Tanimoto, Takayuki Gotoh, Akira Maruoka, Satoshi Kawakami, Takatsugu Ono, Takuro Iizuka and Koji Inoue
LSI and Systems Workshop,May 2021
- Initial Study of Optical Arithmetic Circuits for Simple Recurrent Neural Networks
- Eito Satoh, Satoshi Kawakami, Keitaro Oka, Teruo Tanimoto, Takatsugu Ono and Koji Inoue
LSI and Systems Workshop,May 2021
- Design and Evaluation of a Bit-Width Variable Adder Using a Single Flux Quantum Circuit
- Iori Ishikawa, Ikki Nagaoka, Koki Ishida, Kosuke Fukumitsu, Keitaro Oka, Masamitsu Tanaka, Satoshi Kawakami, Teruo Tanimoto, Takatsugu Ono, Akira Fujimaki and Koji Inoue
Research Report of Information Processing Society of Japan,2021-ARC- 244 (15), pp.1-13, May 2021(HotSPA)
- Power performance modeling for architectural exploration of superconducting neural network accelerators
- Koki Ishida, Ilkwon Byun, Ikki Nagaoka, Kosuke Fukumitsu, Masamitsu Tanaka, Satoshi Kawakami, Teruo Tanimoto, Takatsugu Ono, Akira Fujimaki, Jangwoo Kim and Koji Inoue
Research Report of Information Processing Society of Japan,2020-ARC-244 (15), pp.1-13, Mar.2021 (ETNET), Young Scientist Award
- Implementation and Evaluation of a CPU-FPGA Hybrid System for Eulerian Video Exaggeration Processing
- Rin Ueno, Teruo Tanimoto, Takayuki Gotoh, Akira Maruoka, Satoshi Kawakami, Takatsugu Ono, Takuro Iizuka and Koji Inoue
Research Report of Information Processing Society of Japan,2021-SLDM-194 (5), pp.1-6, Mar.2021 (ETNET)
- Optical Device × Architecture: Pioneering the Next Generation of Optical Computing(invited)
- Koji Inoue and Satoshi Kawakami
The Institute of Electronics, Information and Communication Engineers (IEICE)Photonic Network Research Group, 3th Mar. 2021
- Nanophotonic Neural Network Accelerator(invited)
- Satoshi Kawakami
The Institute of Electronics, Information and Communication Engineers (IEICE) Telecommunication Systems Research Group, Jan.14 2021
- Investigation of position map reduction methods in ORAM for implementation in processors
- Daisuke Yamagata, Satoshi Kawakami, Koji Inoue and Takatsugu Ono
Symposium on Cryptography and Information Security(SCIS2021), Jan.2021
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2020 Yajima Lab.
- VO2 Mott Transistors for Low-Voltage ON/OFF Switching. (invited)
- Takeaki Yajima
21th International Symposium on Eco-materials Processing and Design (ISEPD) (2020, Yantai, China) 2020
- Circuit for ultra energy-saving environmental power generation using spiking neurons (invited)
- Takeaki Yajima
Spring Symposium of the Japan Society of Applied Physics (Development of Energy Harvesting for a Super Smart Society) (2020, Tokyo, Japan). 2020
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2020 Kawakami Lab
- Investigation for QAOA application of quantum computation frequency determination method
- Shuhei Matsuo, Teruo Tanimoto, Satoshi Kawakami, Yutaka Tabuchi, Masao Hirokawa and Koji Inoue
Research Report of Information Processing Society of Japan,2020-QS-1 (11), pp.1-7, Oct.2020(Quantum Software Research Group)
- Power efficiency modeling of single flux quantum circuits for architecture exploration
- Kosuke Fukumitsu, Koki Ishida, Ikki Nagaoka, Masamitsu Tanaka, Satoshi Kawakami, Teruo Tanimoto, Takatsugu Ono, Akira Fujimaki and Koji Inoue
Research Report of Information Processing Society of Japan,2020-ARC-242 (6), pp.1-4, Oct.2020 (HotSPA)
- Photonic Neural Network Accelerators from a Computer Scientist’s Perspective(invited)
- Satoshi Kawakami
The Institute of Electronics, Information and Communication Engineers (IEICE)Photonic Network Research Group,24th Aug.2020
- Design and Implementation Evaluation of FPGA Accelerated Execution Using Halide for Eulerian Video Exaggeration Processing
- Rin Ueno, Teruo Tanimoto, Takayuki Gotoh, Akira Maruoka, Satoshi Kawakami, Takatsugu Ono, Takuro Iizuka and Koji Inoue
Research Report of Information Processing Society of Japan,2020-ARC-241 (4), pp.1-8, Jul. 2020 (SWoPP)
- Credit interval estimation method for solutions in NISQ
- Shuhei Matsuo, Teruo Tanimoto, Satoshi Kawakami, Yutaka Tabuchi, Masao Hirokawa and Koji Inoue
Cross-disciplinary Workshop Quantum Computing Research and Development: Present and Future,Jan.2020
- A Study on Speedup and Output Accuracy of Corner Detection Program by Neural Network
- Kazuto Takeuchi, Teruo Tanimoto, Satoshi Kawakami and Kouji Inoue
Research Report of Information Processing Society of Japan,2019-ARC-239 (16), pp.1-7, Jan. 2020
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2019 Yajima Lab.
- Designing Neuron Functionality Based on Phase Transition Materials. (invited)
- Takeaki Yajima
Asia-Pacific Workshop on Fundamentals and Applications of Advanced Semiconductor Devices (AWAD) (2019, Busan, Korea). 2019
- Impact of Scaling the VO2-Channel Mott Transistor below Material Correlation Length. (invited)
- Takeaki Yajima
AIST Seminar (2019, Tsukuba, Japan) 2019
- Design of neuromorphic devices using material properties (invited)
- Takeaki Yajima
Institute of Electrical and Information Engineers Society Conference 2019, Osaka University. (2019, Osaka, Japan). 2019
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2019 Kawakami Lab
- Prototype Design of 32 GHz Microprocessor based on Superconducting Single-Flux-Quantum Logic
- Koki Ishida, Masamitsu Tanaka, Ikki Nagaoka, Takatsugu Ono, Satoshi Kawakami, Teruo Tanimoto, Akira Fujimaki and Koji Inoue
The International Conference for High Performance Computing (SC19), Nov. 2019
- How can we exploit noisy intermediate-scale quantum computers? ~A computer architecture perspective~(invited)
- Teruo Tanimoto, Shuhei Matsuo, Satoshi Kawakami, Yutaka Tabuchi, Masao Hirokawa and Koji Inoue
Cryogenic Devices, Circuits, and Systems (QCCC), 14th Nov. 2019
- Performance Analysis for Approximate Optical Computing – Computer Architecture Perspective –(invited)
- Satoshi Kawakami
The International Workshop of Optical Packet Switching (OPS) and Optical Code Division Multiple Access (OCDMA), IWOO’19, 31st Oct. 2019
- Nanophotonic Neural Network Accelerator: Challenges and Opportunities(invited)
- Satoshi Kawakami
Asia Pacific Society for Computing and Information Technology (APSCIT), 27th Jul. 2019
- Power Performance Analysis for Realization of Optical Appropriate Computing
- Satoshi Kawakami, Teruo Tanimoto, Syota kita, Akihiko Shinya, Takatsugu Ono, Masaya Notomi and Koji Inoue
Research Report of Information Processing Society of Japan,2019-ARC-237 (28), pp.1-8, Jul.2019(SWoPP),Young Scientist Award
- Second Roundtable Discussion on Post Moore – Can “Light” Computing Shine with “Glitter”? -(invited)
- Satoshi Kawakami, Jun Shiomi, Akihiko Shinya and Koji Inoue
HotSPA2019 Panel Discussion,11st Jun 2019
- Proposal for a High-Performance Cache Architecture for GPUs Based on Data Compression
- Keitaro Oka, Satoshi Kawakami, Teruo Tanimoto, Takatsugu Ono and Koji Inoue
Research Report of Information Processing Society of Japan,2019-ARC-236 (3), pp.1-9, Jun.2019(HotSPA)
- Analysis of the Effect of Fidelity on Processing Time in NISQ ~Toward the Realization of Classical-Quantum Hybrid Architecture
- Syuhei Matsuo, Teruo Tanimoto, Satoshi Kawakami, Yutaka Tabuchi, Masao Hirokawa and Koji Inoue
Research Report of Information Processing Society of Japan,2019-ARC-236 (13), pp.1-10, Jun.2019(HotSPA),Young Scientist Award
- Performance evaluation environment considering initialization and observation errors of qubits
- Syuhei Matsuo, Teruo Tanimoto, Satoshi Kawakami, Yutaka Tabuchi, Masao Hirokawa and Koji Inoue
LSI and Systems Workshop, May 2019
- Challenges in Ultra-High-Performance Low-Power Nanophotonic Computing – A Computer Architecture Perspective –(invited)
- Koji Inoue and Satoshi Kawakami
OPTICS & PHOTONICS International Congress, 23rd Apr. 2019
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2018 Yajima Lab.
- Analog neuron circuits based on the phase transition material. (invited)
- Takeaki Yajima
AIST Mini Workshop (2018, Tsukuba, Japan). 2018
- Simple design of the neuron circuit using phase transition materials. (invited)
- Takeaki Yajima
The 2nd Neuromorphic Research Retreat in AIST (2018, Tsukuba, Japan). 2018
- Low Power Analog Spike Processing Using Thermal Degrees of Freedom of Phase Transition Materials (invited)
- Takeaki Yajima
The 210th Research Meeting of Silicon Technology Subcommittee (2018, Tokyo). 2018
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2018 Kawakami Lab
- Nanophotonic Neural Acceleration – A Computer Architecture Perspective(invited)
- Koji Inoue and Satoshi Kawakami
The 210th Research Meeting of Silicon Technology Subcommittee,19p-232-5, Sep.2018
- Power-Performance Impact of Nanophotonic Vector-by-Matrix Multiplier(invited)
- Koji Inoue and Satoshi Kawakami
JST Workshop: Novel frontiers of optics for computing, 18th July 2018
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2017 Yajima Lab.
- Nanoscale Hydrogen Doping to Oxides Heterointerfaces via Electrochemistry. (invited)
- Takeaki Yajima
BIT’s 3rd Annual World Congress of Smart Materials-2017 (2017, Bangkok, Thailand). 2017
- Neuron Circuit Design Using Metal-Insulator Transition of VO2 (invited)
- Takeaki Yajima
Joint Project Research Group, Research Institute of Electrical Communication, Tohoku University (2017, Sendai, Japan). 2017
- Capacitorless Neuron Circuits Using Metal-Insulator Transition Devices (invited)
- Takeaki Yajima
The Institute of Electronics, Information and Communication Engineers (IEICE) ICD/SDM/ITE-ISE Study Group (2017, Sapporo, Japan). 2017
- Study of the physical properties of VO2 thin films and their application to neuromorphology (invited)
- Takeaki Yajima
The 25th Core-to-Core Young Researcher Development Program Seminar (2017, Tokyo, Japan). 2017
- Possibility of novel electronic devices and circuits based on the phase transition materials. (invited)
- Takeaki Yajima
Technical Committee on Nanoelectronics New Function Creation and Integration Technology, IEEJ (2017, Tokyo, Japan). 2017
- Novel electronic devices and circuits based on the phase transition materials. (invited)
- Takeaki Yajima
An Interdisciplinary Discussion on New Opportunities in Oxide Research (2017, Fukuoka, Japan) 2017
- Novel Functional Passive Devices for Diversified Analog Signal Processing – Fabrication and Application of VO2 Volatile Switches (invited)
- Takeaki Yajima
Silicon Materials and Devices Research Group (2017, Tokyo). 2017
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2017 Kawakami Lab
- Performance Limitations of Nanophotonic Computing
- Satoshi Kawakami, Rina Asai, Takatsugu Ono, Hiroaki Honda, Koji Inoue, Syota Kita and Masaya Notomi
Research Report of Information Processing Society of Japan,2017-ARC-227 (18), pp.1-9, Jul.2017 (SWoPP)
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2016 Yajima Lab.
- Collective gate modulation in Mott transistors with ultrathin VO2 channels. (invited)
- Takeaki Yajima
Asia-Pacific Workshop on Fundamentals and Applications of Advanced Semiconductor Devices (AWAD) (2016, Hakodate, Japan) 2016
- Time Response Characteristics of the VO2 Mott Transistor. (invited)
- Takeaki Yajima
JSPS MEETING 2016 (C2C Program) (2016, Juelich, Germany). 2016
- Engineering Proton Volatility in Oxides for Two-Terminal Neuromorphic Devices. (invited)
- Takeaki Yajima
Neuromorpic: from out-of-equilibrium physics to deep learning (AIST mini-Workshop) (2016, Tsukuba, Japan). 2016
- Electrochemical hydrogen doping to oxides heterointerfaces (invited)
- Takeaki Yajima
SNU-UT Ad-hoc Workshop on Electronic and ionic processes at heterogeneous interfaces (2016, Tokyo). 2016
- Mobility Enhancement and Room Temperature Ion Implantation in TiO2 Channel Transistors (invited)
- Takeaki Yajima
The 21st Workshop on Interface Technology for Electronic Devices (2016, Mishima). 2016
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2016 Kawakami Lab
- Evaluation of activation functions for nanophotonic neural accelerators based on the use of saturable absorbers
- Satoshi Isobe, Satoshi Kawakami, Takatsugu Ono, Koji Inoue and Masaya Notomi
Research Report of Information Processing Society of Japan, 2016-ARC-223 (3), pp.1-7, Nov.2016(Design Gaia)
- Nanophotonic Neural Acceleration Initiative
- Satoshi Kawakami, Satoshi Isobe, Rina Asai, Takatsugu Ono, Toshiyuki Ohtsuka, Hiroaki Honda, Koji Inoue and Masaya Notomi
Research Report of Information Processing Society of Japan, 2016-ARC-223 (2), pp.1-10, Nov.2016(Design Gaia),Young Scientist Award
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2015 Yajima Lab.
- Interaction between 2D Electrons and 3D Metal-Insulator Transitions in VO2-Channel Transistors. (invited)
- Takeaki Yajima
CEMS Topical Meeting on Oxide Interfaces 2015 (2015, Wako, Japan). 2015
- Nanoscale electrochemical doping to wide gap oxide semiconductor. (invited)
- Takeaki Yajima
SNU-UT Ad-hoc Workshop on Electronic and ionic processes at heterogeneous interfaces (2015, Seoul, Korea). 2015
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2014 Yajima Lab.
- Realization of Steep Metal-Insulator Transition by Controlling Transition Stress in VO2 Single Crystal Thin Films (invited)
- Takeaki Yajima
Silicon Materials and Devices Research Group (2014, Nagoya). 2014
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2013 Yajima Lab.
- Artificial interface dipoles at oxide heterointerfaces: fundamentals and devices. (invited)
- Takeaki Yajima
SNU-UT Workshop on Oxide Systems for Energy & Electric Applications (2013, Seoul). 2013
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2013 Kawakami Lab
- Performance modeling of many-core speculative execution for model predictive control
- Satoshi Kawakami, Akihito Iwanaga, Kouji Inoue and Toshiyuki Ohtsuka
Research Report of Information Processing Society of Japan,2013-ARC-206 (11), pp.1-7, Jul.2013(SWoPP), Young Scientist Award
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2012 Yajima Lab.
- Interfacial Dipole Control in Oxide Schottky Junctions and Fabrication of Metal-Based Transistors (invited)
- Takeaki Yajima
Autumn Symposium of the Japan Society of Applied Physics “Frontiers of Strongly Correlated Electron Control by Oxide Superstructures”(2012, Matsuyama). 2012
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2011 Yajima Lab.
- Dipole Engineering and Schottky Barrier Height Control at Oxide Hetero-interfaces (invited)
- Takeaki Yajima
Commemorative Lecture for the Encouragement Award of the Spring Meeting of the Japan Society of Applied Physics (2011, Atsugi). 2011