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J-GLOBAL ID：200901046989901590   Update date: Sep. 28, 2024

Yamada Hirohito

ヤマダ ヒロヒト | Yamada Hirohito
Affiliation and department：
Tohoku University Graduate School of Engineering Department of Communications Engineering Wave Communication Engineering Optical Physics Engineering

About Tohoku University Graduate School of Engineering Department of Communications Engineering Wave Communication Engineering Optical Physics Engineering


Job title： Professor
Other affiliations (1)：
Homepage URL  (1)： http://www.ecei.tohoku.ac.jp/yamadalab/
Research field  (2)： Earth resource engineering, energy science ,  Electronic devices and equipment
Research keywords  (4)： Micro Grid ,  Silicon Photonics ,  Semiconductor Lasers, Laser Diodes ,  Photonics
Research theme for competitive and other funds  (4)：
  • 2020 - 2023 自由空間型ユニタリ変換光回路のオンチップ集積化
  • 2016 - 2019 Research on novel grid system with emergent synthesis function induced by recursive structure
  • 2011 - 2014 Research on hybrid Si/Silica waveguide integrated circuits
  • 2007 - 2009 A study for realizing high-density integrated optical circuits
Papers (144)：
  • Qiongyan TANG, Hirohito YAMADA. A Study on Power Supply and Control of Distributed Antenna Systems. 2024. J107-B. 3. 91-98
  • Ke Liu, Hirohito Yamada, Katsumi Iwatsuki, Taiichi Otsuji. Experimental Verification and Simulation Analysis of a Battery Directly Connected DC-Microgrid System. International Journal of Electrical and Electronic Engineering & Telecommunications. 2023. 12. 5. 326-333
  • Anh Igarashi, Maho Abe, Shigeki Kuroiwa, Keishi Ohashi, Hirohito Yamada. Enhancement of Refractive Index Sensitivity Using Small Footprint S-Shaped Double-Spiral Resonators for Biosensing. Sensors. 2023. 23. 13. 6177-6177
  • Anh Igarashi, Koya Murooka, Yasuo Ohtera, Hirohito Yamada. Si-microring resonator with sidewall nanograting structures for high-Q resonance modes. Optical Review. 2023. 30. 238-245
  • Jingyi Zhou, Xing He, Toshiaki Kato, Kunta Yoshikawa, Hirohito Yamada. Power generation characteristics of Si PV cell under extremely high-intensity near-infrared light irradiation. IEICE Electronics Express. 2022. 19. 3. 20210476-20210476
ｍore...
MISC (95)：
  • 古戸颯真, CUI Yuwen, 竹内魁, 山田博仁, 横山弘之, 日暮栄治. 2nd quantized state oscillation in a gain switched 925nm-band QW-LD and its suppression. 応用物理学会秋季学術講演会講演予稿集(CD-ROM). 2023. 84th
  • CUI Y., 安食聡一郎, 竹内魁, 竹内魁, 日暮栄治, 日暮栄治, 山田博仁, 山田博仁, 山田博仁, 横山弘之, et al. Second-quantized-state laser oscillation dynamics of a 925nm-band QW-LD under strong pulsed excitation. 応用物理学会春季学術講演会講演予稿集(CD-ROM). 2023. 70th
  • A. Matsumoto, K. Akahane, T. Umezawa, N. Yamamoto, H. Yamada, T. Kita. Demonstration of 1-μm-band Si-photonics-based quantum dot heterogeneous tunable laser. Optics InfoBase Conference Papers. 2018. 2018
  • Tomohiro Kita, Yuto Chiba, Hirohito Yamada. Silicon photonic wavelength tunable laser diode with low loss direct heating phase shifter. 14th International Conference on Group IV Photonics, GFP 2017. 2017. 125-126
  • Yu Jiyao, Ohtera Yasuo, Yamada Hirohito. Transfer matrix model analysis of side-coupled type plasmonic Fabry-Perot waveguide filters (電磁界理論研究会・光・電波ワークショップ). 電気学会研究会資料. EMT = The papers of technical meeting on electromagnetic theory, IEE Japan. 2017. 2017. 62. 165-170
ｍore...
Lectures and oral presentations  (53)：
  • A DC Microgrid with Batteries Directly Connected Bus-line
    (2023 the 8th International Conference on Power and Renewable Energy (ICPRE) 2023)
  • Experimental verification and simulation analysis of a battery directly connected DC microgrid system
    (2023 the 8th International Conference on Power and Renewable Energy (ICPRE) 2023)
  • Design and optimization of DC-grids power exchange
    (2023 IEEE Conference on Power Electronics and Renewable Energy (CPERE) 2023)
  • Study on optimum configuration of off-grid systems from the viewpoint of renewable energy ratio and investment cost
    (2022 IEEE International Power and Renewable Energy Conference (IPRECON) 2022)
  • Study on the impact of power sharing between microgrids on the usage of renewable energy and system stability
    (2022 7th International Conference on Power and Renewable Energy (ICPRE) 2022)
ｍore...
Education (2)：
  • 1981 - 1987 Tohoku University Graduate School of Engineering
  • 1977 - 1981 Kanazawa University Faculty of Engineering
Professional career (1)：
  • 工学博士 (Tohoku University)
Work history (6)：
  • 2024/04 - 現在 Tohoku University International Research Institute of Disaster Science Visiting Professor
  • 2006/07 - 2024/03 Tohoku University Graduate School of Engineering Professor
  • 1989/10 - 2006/06 NEC Corporation
  • 1997/09 - 1998/09 NEC Research Institute (Princeton) Physical Science Visiting Researcher
  • 1991/07 - 1997/08 NEC Corporation
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Committee career (18)：
  • 2022/01 - 現在 IEEE IEEE Sendai Section Chair
  • 2014 - 現在 学振 将来加工技術第136委員会 委員
  • 2011/04 - 現在 電子情報通信学会 集積光デバイスと応用技術時限研究専門委員会委員 委員
  • 2011/04 - 現在 電子情報通信学会 集積光デバイスと応用技術研究専門委員会(IPDA) 専門委員
  • 2006/07 - 現在 電子情報通信学会 シリコンフォトニクス研究会 専門委員
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Association Membership(s) (4)：
The Optical Society of America (OSA) ,  IEEE ,  電子情報通信学会 ,  応用物理学会
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