Rchr
J-GLOBAL ID：201201020837341102   Update date: Nov. 14, 2024

Nakajima Takashi

ナカジマ タカシ | Nakajima Takashi
Affiliation and department：
RIKEN Center for Emergent Matter Science

About RIKEN Center for Emergent Matter Science


Job title： Senior Research Scientist
Research field  (2)： Semiconductors, optical and atomic physics ,  Nanostructure physics
Research keywords  (5)： Quantum information ,  Electron spin ,  Semiconductor quantum dot ,  Quantum computer ,  Qubit
Research theme for competitive and other funds  (9)：
  • 2022 - 2024 拡張性のあるシリコン量子コンピュータ技術の開発
  • 2021 - 2024 大規模集積シリコン量子コンピュータの研究開発
  • 2020 - 2024 リアルタイム制御ソフトウェアによる量子ビット仮想化
  • 2018 - 2023 Feedforward control of electron spin qubits in quantum dots
  • 2015 - 2022 電子フォトニクス融合によるポアンカレインターフェースの創製
Show all
Papers (64)：
  • Yui Muto, Takumi Nakaso, Motoya Shinozaki, Takumi Aizawa, Takahito Kitada, Takashi Nakajima, Matthieu R. Delbecq, Jun Yoneda, Kenta Takeda, Akito Noiri, et al. Visual explanations of machine learning model estimating charge states in quantum dots. APL Machine Learning. 2024
  • Kenta Takeda, Akito Noiri, Takashi Nakajima, Leon C. Camenzind, Takashi Kobayashi, Amir Sammak, Giordano Scappucci, Seigo Tarucha. Rapid single-shot parity spin readout in a silicon double quantum dot with fidelity exceeding 99%. npj Quantum Information. 2024. 10. 22
  • Yi-Hsien Wu, Leon C. Camenzind, Akito Noiri, Kenta Takeda, Takashi Nakajima, Takashi Kobayashi, Chien-Yuan Chang, Amir Sammak, Giordano Scappucci, Hsi-Sheng Goan, et al. Hamiltonian phase error in resonantly driven CNOT gate above the fault-tolerant threshold. npj Quantum Information. 2024. 10. 8
  • J.S. Rojas-Arias, A. Noiri, P. Stano, T. Nakajima, J. Yoneda, K. Takeda, T. Kobayashi, A. Sammak, G. Scappucci, D. Loss, et al. Spatial noise correlations beyond nearest neighbors in 28Si/Si-Ge spin qubits. Physical Review Applied. 2023. 20. 5. 054024
  • Peter Stano, Takashi Nakajima, Akito Noiri, Seigo Tarucha, Daniel Loss. Dynamical nuclear spin polarization in a quantum dot with an electron spin driven by electric dipole spin resonance. Physical Review B. 2023. 108. 15. 155306
ｍore...
MISC (42)：
  • 米田淳, 武田健太, 野入亮人, 中島峻, LI Sen, 神岡純, 小寺哲夫, 樽茶清悟. Quantum Non-demolition Readout of a Silicon Spin Qubit. 応用物理学会春季学術講演会講演予稿集(CD-ROM). 2023. 70th
  • 武藤由依, 中曽拓, 相澤拓海, 篠崎基矢, 北田孝仁, 中島峻, DELBECQ Matthieu R., 米田淳, 武田健太, 野入亮人, et al. Visual explanations of the machine learning model to recognize the charge states in quantum dots. 日本物理学会講演概要集(CD-ROM). 2023. 78. 1
  • 米田淳, ROJAS-ARIAS J.S., STANO P., 武田健太, 野入亮人, 中島峻, LOSS D., 樽茶清悟. Noise characterization of exchange interaction between electron spins in silicon. 日本物理学会講演概要集(CD-ROM). 2023. 78. 1
  • 武藤由依, 中曽拓, 相澤拓海, 篠崎基矢, 北田孝仁, 中島峻, DELBECQ Matthieu R., 米田淳, 武田健太, 野入亮人, et al. Improving generalization ability of automatic charge-state estimation in quantum dots by machine learning. 日本物理学会講演概要集(CD-ROM). 2023. 78. 2
  • 武藤由依, 中曽拓, 相澤拓海, 篠崎基矢, 北田孝仁, 中島峻, DELBECQ Matthieu R., 米田淳, 武田健太, 野入亮人, et al. Noise-robust charge state recognition in quantum dots using machine learning and preprocessing. 日本物理学会講演概要集(CD-ROM). 2022. 77. 1
ｍore...
Patents (1)：
  • 測定装置、測定方法、製造方法、量子コンピュータ、制御方法、及び、集積回路
Lectures and oral presentations  (65)：
  • Development of a quantum computer with electron spins in Si/SiGe quantum dots
    (Workshop Materials for Quantum Electronics 2024)
  • Quantum computing with spin qubits in silicon
    (36th International Microprocesses and Nanotechnology Conference 2023)
  • Fabrication and characterization of multiple qubit devices
    (Silicon Quantum Electronics Workshop 2023 2023)
  • Nuclear spin noise in nat Si/SiGe spin qubits
    (Silicon Quantum Electronics Workshop 2023 2023)
  • Characterization of a Flip-Chip Interposer through Photon-Assisted Tunneling in a Double Quantum Dot
    (Silicon Quantum Electronics Workshop 2023 2023)
ｍore...
Professional career (1)：
  • PhD (The University of Tokyo)
Work history (2)：
  • 2021/04 - 現在 RIKEN Center for Emergent Matter Science Senior Research Scientist
  • 2021/04 - 2021/09 Keio University Faculty of Science and Technology
Committee career (2)：
  • 2022/04 - 2024/03 日本物理学会 会誌編集委員
  • 2015/04 - 2016/03 日本物理学会 領域4運営委員
Awards (5)：
  • 2023/03 - 公益社団法人応用物理学会 シリコンテクノロジー分科会 第14回 (2022年度) 応用物理学会 シリコンテクノロジー分科会 論文賞 Quantum non-demolition readout of an electron spin in silicon
  • 2022/03 - RIKEN BAIHO Award Stabilization of quantum states and measurement by fast feedback control
  • 2021/04 - 文部科学省 令和3年度 科学技術分野の文部科学大臣表彰 若手科学者賞 半導体電子スピン量子コンピューティング基盤の研究
  • 2020/04 - 理化学研究所創発物性科学研究センター 第7回 CEMS Award Control of spin entanglement and application to quantum non-demolition measurement of electron spins in semiconductor quantum devices
  • 2020/03 - 国立研究開発法人理化学研究所 研究奨励賞(桜舞賞) Control of spin entanglement and application to quantum non-demolition measurement of electron spins in semiconductor quantum devices
Association Membership(s) (1)：
日本物理学会
※ Researcher’s information displayed in J-GLOBAL is based on the information registered in researchmap. For details, see here.

Return to Previous Page

TOP

BOTTOM