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量子コンピュータ研究センター 半導体量子情報デバイス研究チーム

チームリーダー 樽茶 清悟(D.Eng.)


樽茶 清悟(D.Eng.)



  • 工学


  • 総合理工
  • 数物系科学
  • 物性I
  • ナノ構造物理
  • 計算科学


  • 量子コンピュータ
  • 量子ビット
  • 量子ドット
  • 量子デバイス
  • スピン制御



  • 1. K. Takeda, A. Noiri, J. Yoneda, T. Nakajima, and S. Tarucha.:
    "Resonantly driven singlet-triplet spin qubit in silicon"
    Phys. Rev. Lett. 124, 117701-1 – 5 (2020).
  • 2. A. Noiri, K. Takeda, J. Yoneda, T.i Nakajima, T. Kodera, and S. Tarucha.:
    "Radio-frequency detected fast charge sensing in undoped silicon quantum dots"
    Nano Lett. 20, 947 (2020).
  • 3. M. Marx, J. Yoneda, T. Otsuka, K. Takeda, Y. Yamaoka, T. Nakajima, S. Lie, A. Noiri, T. Kodera, and S. Tarucha.:
    "Spin-orbit assisted spin funnels in DC transport through a physically defined pMOS double quantum dot"
    Jpn. J. Appl. Phys. 58, SBBI07 (2019).
  • 4. J. Yoneda, K. Takeda, T. Otsuka, T. Nakajima, M. R. Delbecq, G. Allison, T. Honda, T. Kodera, S. Oda, Y. Hoshi, N. Usami, K. M. Itoh, and S. Tarucha.:
    "A quantum-dot spin qubit with coherence limited by charge noise and fidelity higher than 99.9 %"
    Nature. Nanotechnol. 13, 102 (2018).
  • 5. K. Takeda, J. Yoneda, T. Otsuka, T. Nakajima, M.R. Delbecq, G. Allison, Y. Hoshi, N. Usami, K. M. Itoh, S. Oda, T. Kodera, and S. Tarucha.:
    "Optimized electrical control of a Si/SiGe spin qubit in the presence of an induced frequency shift"
    npj Quantum Information, 4, 540 (2018).
  • 6. T. Nakajima, M.R. Delbecq, T. Otsuka, S. Amaha, J. Yoneda, A. Noiri, K. Takeda, G. Allison, A. Ludwig, A.D. Wieck, X. Hu, F. Nori, and S. Tarucha.:
    "Coherent transfer of electron spin correlations assisted by dephasing noise"
    Nature Commun. 9, 2133 (2018).
  • 7. T. Nakajima, M.R. Delbecq, T. Otsuka, P. Stano, S. Amaha, J. Yoneda, A. Noiri, K. Kawasaki, K. Takeda, G. Allison, A. Ludwig, A.D. Wieck, D. Loss, and S. Tarucha.:
    "Robust single-shot spin measurement with 99.5% fidelity in a quantum dot array"
    Phys. Rev. Lett. 119, 017701 (2017).
  • 8. I. Sohn, S. Tarucha, and B.S. Choi.:
    "Analysis of physical requirements for simple three-qubit and nine-qubit quantum error correction on quantum-dot and superconductor qubits"
    Phys. Rev. A 95, 012306 (2017).
  • 9. K. Takeda, J. Kamioka, T. Otsuka, J. Yoneda, T. Nakajima, M.R. Delbecq, S. Amaha, G. Allison, T. Kodera, S. Oda, and S. Tarucha.:
    "A fault-tolerant addressable spin qubit in a natural silicon quantum dot"
    Sci. Adv. 2, 1600694 (2016).
  • 10. J. Yoneda, T. Otsuka, T. Takakura, M. Pioro-Ladrière, H. Lu, T. Nakajima, T. Obata, A. Noiri, C.J. Palmstrøm, A.C. Gossard, and S. Tarucha.:
    "Robust micro-magnet design for fast electrical manipulations of single spins in quantum dots"
    Appl. Phys. Express 8, 084401 (2015).




樽茶 清悟


〒351-0198 埼玉県和光市広沢2-1 本館
Email: tarucha [at] riken.jp