超ブロードバンド
通信基盤研究室

English

Achievement

Publications

  1. T. Otsuji, V. I. Ryzhii, S. A. Boubanga-Tombet, D. Yadav, A. Satou, T. Suemitsu, C. Tang, K. Tamura, H. Fukidome, M. Suemitsu, W. Knap, Y. M. Meziani, K. Narahara, M. Ryzhii, and M. S. Shur, “Recent advances in the physics of Dirac plasmons in graphene and related 2D materials and their THz device applications,” Applied Physics Express, vol. 19, no. 2, 2026. DOI: 10.35848/1882-0786/ae3e37
  2. T. Uchino, Y. Heng, C. Tang, A. Satou, H. Fukidome, and T. Otsuji, “Rectifying and Photoconductive Responses in Graphene–Double-Insulator–Graphene (GI2G) Structures,” Journal of Carbon Research, vol. 12, iss. 1, pp. 18-1-10, Feb. 2026. DOI: 10.3390/c12010018
  3. T. Uchino, Y. Heng, R. Kumagai, S. Kasai, C. Tang, H. Fukidome, A. Satou, T. Otsuji, and S. Ikeda, “Graphene-based flexible SERS substrates with Ag nanohole structures for biochemical sensing,” Next Nanotechnology, vol. 9, pp. 100384-1-7, Jun. 2026. DOI: 10.1016/j.nxnano.2026.100384
  4. Y. Tomimura, A. Satou, and T. Kita, “Generation of Millimeter Waves and Sub-Terahertz Waves Using a Two-Wavelength Tunable Laser for a Terahertz Wave Transceiver,” Photonics, vol. 11, iss. 9, pp. 811-1-15, Aug. 2024. DOI: 10.3390/photonics11090811
  5. A. Satou, T. Negoro, K. Narita, T. Hosotani, K. Tamura, C. Tang, T.-T. Lin, P.-E. Retaux, Y. Takida, H. Minamide, T. Suemitsu, and T. Otsuji, “Gate-readout and a 3D rectification effect for giant responsivity enhancement of asymmetric dual-grating-gate plasmonic terahertz detectors,” Nanophoton., vol. 12, iss. 23, pp. 4283-4295, Nov. 2023. DOI: 10.1515/nanoph-2023-0256
  6. K. Tamura, C. Tang, D. Ogiura, K. Suwa, H. Fukidome, Y. Takida, H. Minamide, T. Suemitsu, T. Otsuji, and A. Satou, “Fast and sensitive terahertz detection with a current-driven epitaxial-graphene asymmetric dual-grating-gate field-effect-transistor structure,” APL Photon., vol. 7, iss. 7, pp. 16101-1-10, Dec. 2022. DOI: 10.1063/5.0122305 (Featured article)

Conference Presentations

  1. 佐藤昭, “Beyond 5G光無線融合ネットワーク実現に向けたUTC-PD集積HEMT光ダブルミキサの開発,” 電気学会電子デバイス研究会, 栃木, 2026年3月23-24日.
  2. 永津将希，吉仲翔，瀧田佑馬，南出泰亜，林宗澤，佐藤昭，”InPバリア層を有する格子ゲートInGaAsチャネルHEMTベースTHzプラズモニック・ディテクタ,” 第73回応用物理学会春季学術講演会, 東京, 2026年3月15-18日.
  3. 高橋良得瑠, 堀内晶太, 林宗澤, 唐超, 尾辻泰一, 佐藤昭, ” 300 GHz 帯における回折格子ゲート型 UTC-PD 集積 HEMT 光ダブルミキサを用いたヘテロダイン検波,” 第73回応用物理学会春季学術講演会, 東京, 2026年3月15-18日.
  4. 西村太希, 林宗澤, 小島亮太, 佐藤昭, ”絶縁体格子導波モード共鳴構造を融合した単一走行キャリア・フォトダイオードの作製に関する研究,” 第73回応用物理学会春季学術講演会, 東京2026年3月15-18日.
  5. A. Satou and T. Otsuji, “Recent Advances on Grating-Gate InGaAs-Channel HEMT THz Plasmonic Detectors,” 4th International Workshop on Global Research Initiative for Wireless Technology (4th IGROW), Fukuoka, Japan, Mar. 10-13, 2026.
  6. T. Nishimura, T.-T. Lin, R. Kojima, and A. Satou, “Fabrication of Uni-Traveling Carrier Photodiodes Integrated with Dielectric Grating as a Guided-Mode-Resonance Nanostructure,” MNC 2025: 38th International Microprocesses and Nanotechnology Conference, Tokyo, Japan, Nov. 1, 2025.
  7. A. Satou and T. Otsuji, “THz Plasmonic Detectors Based on Grating-Gate InGaAs-Channel High-Electron-Mobility Transistors,” SSDM 2025: 2025 International Conference on Solid State Devices and Materials, Yokohama, Japan, Sep. 15-18, 2025. DOI: 10.7567/SSDM.2025.M-2-01
  8. M. Nagatsu, K. Narita, Y. Takida, H. Minamide, T.-T. Lin, and A. Satou, ”Grating-Gate THz Plasmonic Detector Based on an InGaAs-Channel HEMT with an InP Barrier Layer,” SSDM: International Conference on Solid State Devices and Materials, Yokohama, Japan, Sep. 15-18, 2025. DOI: 10.7567/SSDM.2025.PS-04-18
  9. R. Takahashi, S. Horiuchi, T.-T. Lin, C. Tang, T. Otsuji, and A. Satou, “Heterodyne Detection at 300-GHz Band by a UTC-PD-Integrated HEMT Photonic Double-Mixer with a Grating-Gate Structure,” SSDM: International Conference on Solid State Devices and Materials, Yokohama, Japan, Sep. 15-18, 2025. DOI: 10.7567/SSDM.2025.M-2-02
  10. C. Tang, K. Tamura, H. Kudo, A. Satou, V. Ryzhii, and T. Otsuji, “Observation of Coulombic-Drag-Induced Instability in Short-Channel SiC Epitaxial Graphene Field-Effect Transistors,” DRC 2025: Device Research Conference, Durham, NC, USA, Jun. 22-25, 2025.
  11. A. Satou, T.-T. Lin, and T. Otsuji, “Recent Progress in Development of A UTC-PD-Integrated HEMT Photonic Double-Mixer for Beyond-5G Fiber-Wireless-Convergence Network Systems,” TeraTech-2025: the 12th International Symposium on Terahertz-Related Devices and Technology, Salamanca, Spain, Jun. 2-6, 2025.
  12. K. Tamura, H. Kudo, S. Uchigasaki, C. Tang, H. Fukidome, Y. Takida, H. Minamide, A. Satou, V. Ryzhii, and T. Otsuji, “THz Detection and Coulomb Drag Instability in Epitaxial Graphene Channel Transistors,” CLEO 2025: 2025 Conference on Lasers and Electro-Optics (CLEO), Long Beach, California, USA, May 4-9, 2025. DOI: 10.1364/CLEO_SI.2025.SS154_2
  13. A. Satou, T.-T. Lin, and T. Otsuji, “UTC-PD-Integrated HEMT Photonic Double-Mixer for Beyond-5G Fiber-Wireless-Convergence Network Systems,” 2nd IGROW: 2nd International Workshop on Global Research Initiative for Wireless Technology, Sendai, Japan, Apr. 23-24, 2025.
  14. M Nagatsu, K. Narita, Y. Takida, H. Minamide, T.-T. Lin, T. Suemitsu, T. Otsuji, and A. Satou, “Performance evaluation of ADGG-HEMT THz plasmonic detectors for beyond-5G wireless communication networks,” 2nd IGROW: 2nd International Workshop on Global Research Initiative for Wireless Technology, Sendai, Japan, Apr. 23-24, 2025.

Awards

  1. M Nagatsu, K. Narita, Y. Takida, H. Minamide, T.-T. Lin, T. Suemitsu, T. Otsuji, and A. Satou, “Performance evaluation of ADGG-HEMT THz plasmonic detectors for beyond-5G wireless communication networks,” Best Poster Award, 2nd International Workshop on Global Research Initiative for Wireless Technology (2nd IGROW), Apr. 24, 2025.
  2. S. Horiuchi, M. Watanabe, T.-T. Lin, S. Uchigasaki, K. Tamura, T. Suemitsu, T. Otsuji, and A. Satou, “Verification of 300-GHz-band photonic double-mixing using a UTC-PD-integrated HEMT,” Student Paper Award, 2nd place, and Optica Student Scholarship Grant at the 11th International Symposium on Terahertz-Related Devices and Technologies (TeraTech 2025), Jun. 14, 2024.
  3. 佐藤昭, “半導体二次元プラズモンを活用した光無線融合型新原理超ブロードバンド信号処理デバイスの研究実用化,” 石田實記念財団研究奨励賞特別賞（石田實賞）, Oct. 27, 2023.
  4. M. Watanabe, D. Nakajima, T.-T. Lin, K. Nishimura, T. Suemitsu, T. Otsuji, and A. Satou, “Optical-to-MMW/THz carrier frequency down conversion by UTC-PD-integrated HEMT: optimization of UTC-PD mesa shape and size,” The Best Student Paper Award at the 10th International Symposium on Terahertz-Related Devices and Technologies (TeraTech 2023), Sep. 7, 2023.
  5. K. Tamura, C. Tang, D. Ogiura, K. Suwa, H. Fukidome, Y. Takida, H. Minamide, T. Suemitsu, T. Otsuji, and A. Satou, “Unipolar photothermoelectric THz detection assisted by Coulomb drift/diffusion of Dirac fermions in asymmetric dual-grating-gate graphene FETs,” The 13th International Conference on “Recent Progress in Graphene Research” Best Student Paper Award, Nov. 24, 2022.
  6. 中嶋大, 西村和樹, 岩月勝美, 末光哲也, 尾辻泰一, 葛西恵介, 吉田真人, 佐藤昭, “光サブキャリア信号高強度化によるUTC-PD集積HEMTの光ダブルミキシング変換利得向上,” 電子情報通信学会2022年総合大会・エレクトロニクスソサイエティ学生奨励賞, Sep. 6, 2022.
  7. D. Nakajima, K. Nishimura, T. Hosotani, K. Kasai, M. Yoshida, T. Suemitsu, T. Otsuji, and A. Satou, “UTC-PD-integrated HEMT for optical-to-MMW/THz carrier frequency down-conversion: scaling rule of conversion gain on UTC-PD mesa size,” International Conference on Infrared, Millimeter, and Terahertz Waves 2022 (IRMMW-THz 2022) Swiss Terahertz Prize (Best Poster Award), Sep. 2, 2022.