Rchr
J-GLOBAL ID：201801010758431928   Update date: Feb. 01, 2024

Semba Kouichi

Semba Kouichi
Affiliation and department：
The University of Tokyo Institute for Photon Science and Technology

About The University of Tokyo Institute for Photon Science and Technology


Job title： Specially Appointed Professor
Other affiliations (1)：
  • National Institute of Information and Communications Technology  Advanced ICT Research Institute   Executive Researcher
Research field  (1)： Mathematical physics and basic theory
Research keywords  (3)： FIRST Project on Quantum Information Processing ,  Quantum Information Processing ,  Superconductivity
Research theme for competitive and other funds  (1)：
  • 2014 - 2019 Joint Research into Mathematical Science for Qunatum Information Devices
Papers (68)：
  • Sahel Ashhab, Tomoko Fuse, Fumiki Yoshihara, Sunmi Kim, Kouichi Semba. Controlling qubit-oscillator systems using linear parameter sweeps. New Journal of Physics. 2023. 25. 9. 093011-093011
  • Kazuki Koshino, Tomohiro Shitara, Ziqiao Ao, Kouichi Semba. Deterministic three-photon down-conversion by a passive ultrastrong cavity-QED system. Physical Review Research. 2022. 4. 1
  • Tomohiro Shitara, Motoaki Bamba, Fumiki Yoshihara, Tomoko Fuse, Sahel Ashhab, Kouichi Semba, Kazuki Koshino. Nonclassicality of open circuit QED systems in the deep-strong coupling regime. New Journal of Physics. 2021. 23. 10
  • Sunmi Kim, Hirotaka Terai, Taro Yamashita, Wei Qiu, Tomoko Fuse, Fumiki Yoshihara, Sahel Ashhab, Kunihiro Inomata, Kouichi Semba. Enhanced coherence of all-nitride superconducting qubits epitaxially grown on silicon substrate. COMMUNICATIONS MATERIALS. 2021. 2. 1
  • Fumiki Yoshihara, Sahel Ashhab, Tomoko Fuse, Motoaki Bamba, Kouichi Semba. Hamiltonian of a flux qubit-LC oscillator circuit in the deep-strong-coupling regime. 2020
ｍore...
MISC (40)：
  • 布施智子, 吉原文樹, 角柳孝輔, 仙場浩一. Interaction between an Artificial Atom and an Electromagnetic Field~Beyond the Strong Coupling~. 日本物理学会誌. 2018. 73. 1
  • 齊藤 志郎, 角柳 孝輔, Ashhab Sahel, 吉原 文樹, 布施 智子, 仙場 浩一. 世界に誇れる研究開発成果 光子と人工原子から成る安定な分子状態を発見. NTT技術ジャーナル. 2017. 29. 3. 67-71
  • Kakuyanagi K., Matsuzaki Y., Toida H., Munro W. J., Semba K., Yamaguchi H., Saito S. 18aAC-2 Towards the realization of ultrastrong coupling between superconducting flux qubits and a microwave cavity (Experiment). 2015. 70. 2. 535-535
  • SAITO Shiro, MATSUZAKI Yuichiro, MUNRO William J, SEMBA Kouichi. Superconducting Qubit-spin Ensemble Quantum Hybrid System. The Journal of the Institute of Electronics, Information, and Communication Engineers. 2014. 97. 9. 799-805
  • Y. Matsuzaki, S. Saito, X. Zhu, R. Amsuss, K. Kakuyanagi, T. Shimooka, N. Mizuochi, K. Nemoto, W. J. Munro, K. Semba. Hybrid system composed of a superconducting flux qubit and an electron spin ensemble in diamond: a theoretical analysis. 2013 CONFERENCE ON LASERS AND ELECTRO-OPTICS PACIFIC RIM (CLEO-PR). 2013. 68. 1
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Books (1)：
  • Principles and methods of quantum information technologies
    Springer 2016 ISBN:9784431557555
Education (2)：
  • 1985 - 2002 The University of Tokyo The Graduate School of Engineering
  • 1983 - 1985 The University of Tokyo Graduate School of Science
Professional career (1)：
  • Doctor of Engineering
Work history (6)：
  • 2021/06 - 現在 The University of Tokyo Institute for Photon Science and Technology Project Professor
  • 2013/10 - 現在 National Institute of Information and Communication Technology Advanced ICT Research Institute Executive Researcher
  • 2003/07 - 2013/10 Nippon Telegraph and Telephone Corporation Superconducting Quantum Research Group, Basic Research Laboratories Group Leader
  • 2002/05 - 2003/05 Delft University of Technology Prof. J. E. Mooij Laboratory Visiting Researcher
  • 1987/07 - 2002/05 Nippon Telegraph and Telephone Corporation Basic Researh Laboratories
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