Rchr
J-GLOBAL ID：200901034165404459   Update date: Nov. 18, 2024

Otsuji Taiichi

オツジ タイイチ | Otsuji Taiichi
Affiliation and department：
Tohoku University Research Institute of Electrical Communication Broadband Engineering Division Ultra-Broadband Signal Processing Ultra-Broadband Devices and Systems

About Tohoku University Research Institute of Electrical Communication Broadband Engineering Division Ultra-Broadband Signal Processing Ultra-Broadband Devices and Systems


Job title： Professor
Homepage URL  (2)： https://www.riec.tohoku.ac.jp/ja/organization/section2/ultra-broad/ ,  https://www.riec.tohoku.ac.jp/en/organization/section2/ultra-broad/
Research field  (4)： Communication and network engineering ,  Nano/micro-systems ,  Semiconductors, optical and atomic physics ,  Electronic devices and equipment
Research keywords  (7)： communication ,  circuit ,  plasmon ,  elecctron device ,  ultra-broadband ,  terahertz ,  millimeter wave
Research theme for competitive and other funds  (23)：
  • 2021 - 2026 Controlling the parity and time-reversal symmetry of graphene Dirac plasmons and its application to terahertz lasers
  • 2021 - 2025 半導体二次元プラズモンの三次元整流効果とその超高感度テラヘルツ電磁波検出への応用
  • 2021 - 2025 Research and development of heterogeneous optoelectronic fusion technology for Beyond 5G ultrahigh-speed and ultrahigh-capacity wireless communication systems
  • 2023 - 2024 Creation of high-performance THz light source implemented with 2D material heterostructure
  • 2022 - 2024 The development of high power terahertz wave sources implemented with stacking 2D materials
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Papers (693)：
  • V. Ryzhii, C. Tang, T. Otsuji, M. Ryzhii, M. S. Shur. Detection of terahertz radiation using topological graphene micro- nanoribbon structures with transverse plasmonic resonant cavities. Journal of Applied Physics. 2024
  • V. Ryzhii, C. Tang, T. Otsuji, M. Ryzhii, V. Mitin, M. S. Shur. Dynamic characteristics of terahertz hot-electron graphene FET bolometers: Effect of electron cooling in channel and at side contacts. Journal of Applied Physics. 2024. 135. 194502-1-10
  • Victor Ryzhii, Maxim Ryzhii, Michel S. Shur, Taiichi Otsuji. Transit-Time Instability Mechanism in Lateral Graphene n+-i-n-i-n+ Structure with Transverse Terahertz Pasmonic Resonant Cavity. physica status solidi (a). 2024. 221. 2400151-1-8
  • Maxim Ryzhii, Victor Ryzhii, Chao Tang, Taiichi Otsuji, Vladimir Mitin, Michael S. Shur. Temperature Dependence of Hot-Electron Graphene Fet Bolometric Detectors Response to Modulated Terahertz Radiation. International Journal of High Speed Electronics and Systems. 2024
  • Victor Ryzhii, Chao Tang, Taiichi Otsuji, Michael S. Shur, Maxim Ryzhii, Vladimir Mitin. Phase- and Angle-Sensitive Terahertz Hot-Electron Bolometric Plasmonic Detectors Based on Fets with Graphene Channel and Composite H-BN/Black-P/H-BN Gate Layer. International Journal of High Speed Electronics and Systems. 2024
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MISC (140)：
  • 関宏信, 田村紘一, TANG Chao, 吹留博一, 佐藤昭, 尾辻泰一. In-situ observation of graphene crystallinity in the device process by the backside-Raman spectroscopy. 応用物理学会春季学術講演会講演予稿集(CD-ROM). 2023. 70th
  • HENG Y., 斉藤紫音, 平井龍太朗, 熊谷龍馬, 葛西重信, 吹留博一, 佐藤昭, 尾辻泰一, 内野俊. Development of a high sensitivity biochemical sensor using SERS effect. 応用物理学会春季学術講演会講演予稿集(CD-ROM). 2023. 70th
  • 尾辻 泰一. テラヘルツ通信応用に向けたグラフェンレーザートランジスタ技術,. 日本赤外線学会学会誌 vol. 31, no. 2, pp. 68-75, Feb. 2022. (invited). 2022. 31. 2. 68-75
  • 田村紘一, TANG Chao, 荻浦大地, 諏訪健斗, 吹留博一, 佐藤昭, 瀧田佑馬, 南出泰亜, 末光哲也, 尾辻泰一. Photothermoelectric fast THz detection by unipolar operation of Graphene FETs. 応用物理学会秋季学術講演会講演予稿集(CD-ROM). 2022. 83rd
  • 小濱路生, 米窪和輝, 杉野秀明, 渡邊一世, 菅原大樹, TANG Chao, 佐藤昭, 尾辻泰一, 吹留博一. Hetero growth of graphene deposited to h-BN/SiC surfaces. 応用物理学会秋季学術講演会講演予稿集(CD-ROM). 2022. 83rd
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Books (33)：
  • THz communications : paving the way towards wireless Tbps
    Springer, Cham. 2022 ISBN:9783030737375
  • Graphene-Based Terahertz Electronics and Plasmonics: Detector and Emitter Concepts
    Jenny Stanford Publishing 2020 ISBN:9789814800754
  • Handbook of Laser Technology and Applications: laser design and laser systems (Vol. 2),
    CRC Press 2020
  • Fundamental and applied problems of terahertz devices and technologies : selected papers from the Russia-Japan-USA-Europe Symposium (RJUSE-TeraTech 2016)
    World Scientific 2018 ISBN:9789813223271
  • Advances in Imaging and Sensing
    CRC Press 2016 ISBN:9781498714754
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Lectures and oral presentations  (524)：
  • Zener-Klein tunneling and transit-time effects in cascade periodic graphene p-i-n structures: amplification and emission of terahertz radiation
    (WINDS: the Workshop on Innovative Nanoscale Devices and Systems Abstracts Booklet, Royal Sonesta Kauai Resort Lifue, Hawaii, USA, Dec. 4-9, 2022. 2022)
  • Drastic Improvement on Pulse Response of Grating-Gate Plasmonic THz Detector by Introduction of Inverted-HEMT Structure
    (FTT: the International;Symposium on Frontiers in THz Technology Abstract Book, Fukui, Japan. 2022)
  • Unipolar photothermoelectric THz detection assisted by Coulomb drift/diffusion of Dirac fermions in asymmetric dual-grating-gate graphene FETs
    (RPGR: Recent Progress on Graphene and related 2D materials Research International Conference 2022)
  • A distributed model of the asymmetric-gated graphene Coulomb-drag-effect transistor for terahertz applications
    (RPGR: Recent Progress on Graphene and related 2D materials Research International Conference 2022)
  • Recent Advances in the Research of Graphene Plasmonic Terahertz Laser Transistors
    (Taiichi Otsuji 2022)
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Education (2)：
  • - 1984 Kyushu Institute of Technology Graduate School, Faculty of Engineering Department of Electronics, MS. deg.
  • - 1982 Kyushu Institute of Technology Faculty of Engineering 電子工学科
Professional career (1)：
  • 博士(工学) (Tokyo Institute of Technology)
Work history (12)：
  • 2022/04 - 現在 Tohoku University International Research Institute of Disaster Science Professor
  • 2022/04 - 現在 Research Center for Science Systems, Japan Society for the Promotion of Science
  • 2005/04 - 現在 東北大学 電気通信研究所 教授
  • 2015/04 - 2022/03 JSPS Research Center for Scientific Systems
  • 2002/10 - 2005/03 九州工業大学 情報工学部システム創成情報工学科 兼 マイクロ化総合技術センター 教授
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Committee career (9)：
  • 2019/09 - 現在 RPGR Recent Progress on Graphene & 2D Materials International Advisory Board Chair
  • 2005/04 - 現在 テラヘルツテクノロジーフォーラム・企画委員会 委員
  • 2005/04 - 現在 電子情報通信学会エレクトロニクスソサエティ電子デバイス研究専門委員会 委員
  • 2003/04 - 現在 電子情報通信学会エレクトロニクスソサエティテラヘルツ応用システム時限研究専門委員会 委員
  • 2016/02 - 2019/09 RPGR Recent Progress on Graphene & 2D Materials International Advisory Board Member
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Awards (7)：
  • 2022/06 - IEICE: the Institute of Electronics, Information, and Communication Engineers Achievement Award Pioneering research on terahertz light source and detection devices using resonance phenomena of two-dimensional plasmon
  • 2019/04 - MEXT: Ministry of Education, Culture, Sports, Science and Technology 2019 Prizes for Science and Technology (Research Category), the Commendation for Science and technology Research on terahertz sources and detectors utilizing plasmon resonance
  • 2018/09 - JSAP Japan Society of Applied Physics Fellow Award
  • 2018/09 - OSA Optical Society of America Fellow in recognition for “Pioneering contributions to terahertz emission and detection exploiting two-dimensional plasmonic and electronic systems with semiconductor nano-hetero-structures”
  • 2014/01 - IEEE Fellow for “contributions to plasmonic semiconductor integrated device technology for terahertz sensing.”
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Association Membership(s) (7)：
JVSS ,  MRS, Material Research Society ,  SPIE(国際光工学会) ,  OPTICA (former OSA) ,  IEEE ,  JSAP ,  IEICE, Japan
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