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Probing local electronic and spin states in semiconductor microstructures by single-lead quantum dots

Research Project

Project/Area Number 25800173
Research Category

Grant-in-Aid for Young Scientists (B)

Allocation TypeMulti-year Fund
Research Field Condensed matter physics I
Research InstitutionThe Institute of Physical and Chemical Research

Principal Investigator

OTSUKA Tomohiro  独立行政法人理化学研究所, 創発物性科学研究センター, 特別研究員 (50588019)

Project Period (FY) 2013-04-01 – 2015-03-31
Project Status Completed (Fiscal Year 2014)
Budget Amount *help
¥4,030,000 (Direct Cost: ¥3,100,000、Indirect Cost: ¥930,000)
Fiscal Year 2014: ¥1,170,000 (Direct Cost: ¥900,000、Indirect Cost: ¥270,000)
Fiscal Year 2013: ¥2,860,000 (Direct Cost: ¥2,200,000、Indirect Cost: ¥660,000)
Keywords量子ドット / メゾスコピック系 / マイクロ・ナノデバイス / 局所プローブ / 半導体微細構造 / 量子細線 / 量子ホール効果 / ナノ・マイクロデバイス / 量子ポイントコンタクト
Outline of Final Research Achievements

We measured local electronic and spin states in semiconductor microstructures by probes utilizing quantum microstructures. We analyzed experimental results on the measurement of energy relaxation in quantum Hall edge states by quantum point contacts and revealed a possible mechanism of the probe operation. We developed new fast local electronic probes, which can access dynamics of local electronic and spin states, by using the quantum dot probes and high frequency measurement techniques. We applied these new probes to measure local electronic states in quantum dots and confirmed the operation and examined the characteristics.

Report

(3 results)
  • 2014 Annual Research Report   Final Research Report ( PDF )
  • 2013 Research-status Report
  • Research Products

    (25 results)

All 2015 2014 2013 Other

All Journal Article (5 results) (of which Peer Reviewed: 5 results) Presentation (18 results) (of which Invited: 1 results) Remarks (2 results)

  • [Journal Article] Fast Electrical Control of Single Electron Spins in Quantum Dots with Vanishing Influence from Nuclear Spins2014

    • Author(s)
      J. Yoneda, T. Otsuka, T. Nakajima, T. Takakura, T. Obata, M. Pioro-Ladriere, H. Lu, C. J. Palmstrom, A. C. Gossard, S. Tarucha
    • Journal Title

      Physical Review Letters

      Volume: 113 Issue: 26

    • DOI

      10.1103/physrevlett.113.267601

    • Related Report
      2014 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Single-spin manipulation in a double quantum dot with micromagnet2014

    • Author(s)
      Stefano Chesi, Ying-Dan Wang, Jun Yoneda, Tomohiro Otsuka, Seigo Tarucha, and Daniel Loss
    • Journal Title

      Physical Review B

      Volume: 90 Issue: 23 Pages: 2353111-12

    • DOI

      10.1103/physrevb.90.235311

    • Related Report
      2014 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Full control of quadruple quantum dot circuit charge states in the single electron regime2014

    • Author(s)
      M. R. Delbecq, T. Nakajima, T. Otsuka, S. Amaha, J. D. Watson, M. J. Manfra, S. Tarucha
    • Journal Title

      Applied Physics Letters

      Volume: 104 Issue: 18 Pages: 1831111-3

    • DOI

      10.1063/1.4875909

    • Related Report
      2014 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Single to quadruple quantum dots with tunable tunnel couplings2014

    • Author(s)
      T. Takakura, A. Noiri, T. Obata, T. Otsuka, J. Yoneda, K. Yoshida, S. Tarucha
    • Journal Title

      Applied Physics Letters

      Volume: 104 Issue: 11 Pages: 113109-113109

    • DOI

      10.1063/1.4869108

    • Related Report
      2013 Research-status Report
    • Peer Reviewed
  • [Journal Article] Measurement of Energy Relaxation in Quantum Hall Edge States Utilizing Quantum Point Contacts2013

    • Author(s)
      T. Otsuka, Y. Sugihara, J. Yoneda, T. Nakajima, and S. Tarucha
    • Journal Title

      Journal of the Physical Society of Japan

      Volume: 83 Issue: 1 Pages: 14710-14710

    • DOI

      10.7566/jpsj.83.014710

    • Related Report
      2013 Research-status Report
    • Peer Reviewed
  • [Presentation] Realization of a Fast Single-lead Quantum Dot Probe and Evaluation of the Properties by Probing Quantum Dot States2015

    • Author(s)
      Tomohiro Otsuka, Shinichi Amaha, Takashi Nakajima, Matthieu R. Delbecq, Jun Yoneda, Kenta Takeda, Retsu Sugawara, Arne Ludwig, Andreas D. Wieck, and Seigo Tarucha
    • Organizer
      International Conference on Electronic Properties of Two-Dimensional Systems
    • Place of Presentation
      Sendai, Japan
    • Year and Date
      2015-07-27
    • Related Report
      2014 Annual Research Report
  • [Presentation] シングルリード量子ドットプローブの高速化と量子ドット状態測定による性能評価2015

    • Author(s)
      大塚朋廣、天羽真一、中島峻、Matthieu Delbecq、米田淳、武田健太、菅原烈、Arne Ludwig、Andreas Wieck、 樽茶清悟
    • Organizer
      日本物理学会
    • Place of Presentation
      新宿
    • Year and Date
      2015-03-23
    • Related Report
      2014 Annual Research Report
  • [Presentation] Addressable single-spin control in multiple quantum dots coupled in series2015

    • Author(s)
      Takashi Nakajima, Matthieu R. Delbeq, Tomohiro Otsuka, Shinichi Amaha, Jun Yoneda, Akito Noiri, Andreas D. Wieck, and Seigo Tarucha
    • Organizer
      American Physical Society March Meeting
    • Place of Presentation
      San Antonio, U. S. A.
    • Year and Date
      2015-03-04
    • Related Report
      2014 Annual Research Report
    • Invited
  • [Presentation] Vanishing Influence from Nuclear Spins on Strongly Driven Single Electron Spins in Quantum Dots2015

    • Author(s)
      Jun Yoneda*, Tomohiro Otsuka*, Takashi Nakajima, Tatsuki Takakura, Toshiaki Obata, Michel Pioro-Ladrière, Hong Lu, Christopher Palmstrøm, Arthur C. Gossard, and Seigo Tarucha
    • Organizer
      International Symposium on Quantum System and Nuclear Spin Related Phenomena
    • Place of Presentation
      Zao, Japan
    • Year and Date
      2015-02-19
    • Related Report
      2014 Annual Research Report
  • [Presentation] Addressable Control of Three Spin Qubits in Semiconductor Triple Quantum Dot2014

    • Author(s)
      Matthieu R. Delbeq, Takashi Nakajima, Tomohiro Otsuka, Shinichi Amaha, Jun Yoneda, Akito Noiri, Andreas D. Wieck, and Seigo Tarucha
    • Organizer
      Workshop on Innovative Nanoscale Devices and Systems
    • Place of Presentation
      Hawaii, U. S. A.
    • Year and Date
      2014-12-01
    • Related Report
      2014 Annual Research Report
  • [Presentation] 三重量子ドットを用いたスピン・キュービット実験II2014

    • Author(s)
      中島峻、大塚朋廣、マシュー・デルベック、天羽真一、米田淳、野入亮人、武田健太、菅原烈、樽茶清悟
    • Organizer
      日本物理学会
    • Place of Presentation
      名古屋
    • Year and Date
      2014-09-08
    • Related Report
      2014 Annual Research Report
  • [Presentation] 三重量子ドットを用いたスピン・キュービット実験I2014

    • Author(s)
      大塚朋廣、中島峻、マシュー・デルベック、天羽真一、米田淳、野入亮人、武田健太、菅原烈、樽茶清悟
    • Organizer
      日本物理学会
    • Place of Presentation
      名古屋
    • Year and Date
      2014-09-08
    • Related Report
      2014 Annual Research Report
  • [Presentation] Full control of quadruple quantum dot circuit charge states in the single electron regime2014

    • Author(s)
      Matthieu R. Delbecq, Takashi Nakajima, Tomohiro Otsuka, Shinichi Amaha, John D. Watson, Michael J. Manfra, and Seigo Tarucha
    • Organizer
      International Conference on The Physics of Semiconductors
    • Place of Presentation
      Austin, U. S. A.
    • Year and Date
      2014-08-13
    • Related Report
      2014 Annual Research Report
  • [Presentation] Addressable control of single spin qubits in lateral triple quantum dot2014

    • Author(s)
      Takashi Nakajima, Matthieu R. Delbeq, Tomohiro Otsuka, Shinichi Amaha, Jun Yoneda, Akito Noiri, Andreas D. Wieck, and Seigo Tarucha
    • Organizer
      International Conference on Low Temperature Physics
    • Place of Presentation
      Buenos Aires, Argentina
    • Year and Date
      2014-08-08
    • Related Report
      2014 Annual Research Report
  • [Presentation] Scaling-up Spin Qubits in Semiconductor Quantum Dots

    • Author(s)
      Takashi Nakajima, Tomohiro Otsuka, Matthieu R. Delbeq, Shinichi Amaha, Jun Yoneda, Akito Noiri, Kenta Takeda, Jun Kamioka, Retsu Sugawara, John Watson, Michael J. Manfra, Andreas D. Wieck, and S. Tarucha
    • Organizer
      FIRST International Symposium on Topological Quantum Technology
    • Place of Presentation
      Tokyo, Japan
    • Related Report
      2013 Research-status Report
  • [Presentation] Fast Single Spin Operation in Semiconductor Quantum Dots

    • Author(s)
      Tomohiro Otsuka*, Jun Yoneda*, Takashi Nakajima, Tatsuki Takakura, Katsuharu Yoshida, Toshiaki Obata, and Seigo Tarucha (*equal contribution)
    • Organizer
      FIRST International Symposium on Topological Quantum Technology
    • Place of Presentation
      Tokyo, Japan
    • Related Report
      2013 Research-status Report
  • [Presentation] Direct phase control of a single spin qubit

    • Author(s)
      Jun Yoneda*, Tomohiro Otsuka*, Takashi Nakajima, Tatsuki Takakura, Toshiaki Obata, Hong Lu, Christopher Palmstrom, Arthur C. Gossard, and Seigo Tarucha (*equal contribution)
    • Organizer
      International School and Conference on Spintronics and Quantum Information Technology
    • Place of Presentation
      Chicago, U.S.A.
    • Related Report
      2013 Research-status Report
  • [Presentation] Coherent dynamics of a strongly driven single electron spin

    • Author(s)
      Jun Yoneda*, Tomohiro Otsuka*, Takashi Nakajima, Tatsuki Takakura, Toshiaki Obata, Hong Lu, Christopher Palmstrom, Arthur C. Gossard, and Seigo Tarucha (*equal contribution)
    • Organizer
      International Conference on Electronic Properties of Two-dimentional Systems
    • Place of Presentation
      Wroclaw, Poland
    • Related Report
      2013 Research-status Report
  • [Presentation] Probing energy relaxation in quantum Hall edge states utilizing quantum point contacts

    • Author(s)
      Tomohiro Otsuka*, Yuuki Sugihara*, Jun Yoneda, Takashi Nakajima and Seigo Tarucha (*equal contribution)
    • Organizer
      International Conference on Electronic Properties of Two-dimentional Systems
    • Place of Presentation
      Wroclaw, Poland
    • Related Report
      2013 Research-status Report
  • [Presentation] 縦横結合4重量子ドットの電気伝導特性

    • Author(s)
      天羽真一、M. Delbecq、中島峻、大塚朋廣、大野圭司、D. G. Austing、 羽田野剛司、樽茶清悟
    • Organizer
      日本物理学会
    • Place of Presentation
      平塚
    • Related Report
      2013 Research-status Report
  • [Presentation] 単一電子スピン量子ビットの位相ゲート

    • Author(s)
      米田淳、大塚朋廣、中島峻、高倉樹、小幡利顕、樽茶清悟
    • Organizer
      日本物理学会
    • Place of Presentation
      徳島
    • Related Report
      2013 Research-status Report
  • [Presentation] 3端子3重量子ドットにおけるパウリスピンブロッケード

    • Author(s)
      野入亮人、高倉樹、小幡利顕、大塚朋廣、中島峻、米田淳、樽茶清悟
    • Organizer
      日本物理学会
    • Place of Presentation
      徳島
    • Related Report
      2013 Research-status Report
  • [Presentation] 量子ポイントコンタクトを用いた量子ホールエッジ状態におけるエネルギー緩和の観測

    • Author(s)
      大塚朋廣、杉原裕規、米田淳、中島峻、樽茶清悟
    • Organizer
      日本物理学会
    • Place of Presentation
      徳島
    • Related Report
      2013 Research-status Report
  • [Remarks] 大塚朋廣のページ

    • URL

      http://tomootsuka.net/

    • Related Report
      2014 Annual Research Report
  • [Remarks] 大塚朋廣のページ

    • URL

      http://tomootsuka.net/

    • Related Report
      2013 Research-status Report

URL: 

Published: 2014-07-25   Modified: 2020-05-15  

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