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Coherent control of electron-phonon coupled quantum system using interferometric transient reflectivity measurement

Research Project

Project/Area Number 17H02797
Research Category

Grant-in-Aid for Scientific Research (B)

Allocation TypeSingle-year Grants
Section一般
Research Field Optical engineering, Photon science
Research InstitutionTokyo Institute of Technology

Principal Investigator

Nakamura Kazutaka  東京工業大学, 科学技術創成研究院, 准教授 (20302979)

Co-Investigator(Kenkyū-buntansha) 鹿野 豊  慶應義塾大学, 理工学研究科(矢上), 特任准教授 (80634691)
Project Period (FY) 2017-04-01 – 2020-03-31
Project Status Completed (Fiscal Year 2019)
Budget Amount *help
¥16,900,000 (Direct Cost: ¥13,000,000、Indirect Cost: ¥3,900,000)
Fiscal Year 2019: ¥2,730,000 (Direct Cost: ¥2,100,000、Indirect Cost: ¥630,000)
Fiscal Year 2018: ¥5,980,000 (Direct Cost: ¥4,600,000、Indirect Cost: ¥1,380,000)
Fiscal Year 2017: ¥8,190,000 (Direct Cost: ¥6,300,000、Indirect Cost: ¥1,890,000)
Keywordsコヒーレント制御 / 量子コヒーレンス / コヒーレントフォノン / 位相制御パルス / 電子フォノン結合系 / フェムト秒 / 超高速分光 / 半導体
Outline of Final Research Achievements

Quantum coherence in an electron-phonon coupled system of a GaAs single crystal is measured and controlled using interferometric transient reflectivity measurement with relative phase-locked optical pulses. The pulse is controlled with attoseocond precision. We observe that the electronic coherence is preserved more than 50 femtoseconds in n-GaAs(100) at 90 K. The observed collapse and revival feature in the electronic coherence is found to be due to a quantum-path interference in the impulsive stimulated Raman scattering process by the comparison the experimental results and quantum model calculation.

Academic Significance and Societal Importance of the Research Achievements

量子コヒーレンスは固体では直ぐに消失することは知られているが、その保持時間の定量的な評価が困難であった。本研究により、アト秒精度で位相制御したパルス対を用いた干渉型過渡反射率計測をバルク固体中で量子コヒーレンスの保持時間の定量的な評価を可能となったことは、量子物理学において学術的な意義が大きいとともに、固体をベースとした量子デバイス開発にも有用な情報を与えるものである。

Report

(4 results)
  • 2019 Annual Research Report   Final Research Report ( PDF )
  • 2018 Annual Research Report
  • 2017 Annual Research Report
  • Research Products

    (24 results)

All 2019 2018 2017 Other

All Int'l Joint Research (2 results) Journal Article (2 results) (of which Int'l Joint Research: 1 results,  Peer Reviewed: 2 results) Presentation (18 results) (of which Int'l Joint Research: 8 results,  Invited: 6 results) Book (1 results) Remarks (1 results)

  • [Int'l Joint Research] Institute of Fluid Physics(中国)

    • Related Report
      2018 Annual Research Report
  • [Int'l Joint Research] Institute of Solid State Physics(ロシア連邦)

    • Related Report
      2018 Annual Research Report
  • [Journal Article] Ultrafast quantum-path interferometry revealing the generation process of coherent phonons2019

    • Author(s)
      K. G. Nakamura, K. Yokota, Y. Okuda, R. Kase, T. Kitashima, Y. Mishima, Y. Shikano, and Y. Kayanuma
    • Journal Title

      Physical Review B

      Volume: 99

    • Related Report
      2019 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Temperature effect on the coupling between coherent longitudinal phonons and plasmons in n-type and p-type GaAs2018

    • Author(s)
      Hu Jianbo、Zhang Hang、Sun Yi、Misochko Oleg V.、Nakamura Kazutaka G.
    • Journal Title

      Physical Review B

      Volume: 97 Issue: 16

    • DOI

      10.1103/physrevb.97.165307

    • Related Report
      2018 Annual Research Report
    • Peer Reviewed / Int'l Joint Research
  • [Presentation] 量子経路干渉分光法による誘導ラマン散乱強度の飽和効果2019

    • Author(s)
      萱沼洋輔、北島誉士、松本啓、中村一隆
    • Organizer
      日本物理学会2019年秋季大会
    • Related Report
      2019 Annual Research Report
  • [Presentation] Coherent control of electron-phonon coupled states in GaAs using relative phase-locked femtosecond pulses2019

    • Author(s)
      K. G. Nakamura
    • Organizer
      International Conference of Mater and Radiation in Extreme (ICMRE)
    • Related Report
      2019 Annual Research Report
    • Int'l Joint Research / Invited
  • [Presentation] GaAs/AlGaAs量子井戸中の励起子コヒーレント過渡課程2019

    • Author(s)
      古庄裕也、笹瀬悠斗、南不二雄、中村一隆
    • Organizer
      第30回光物性研究会
    • Related Report
      2019 Annual Research Report
  • [Presentation] イオン照射GaAs単結晶における電子フォノン結合系の量子コヒーレンス計測2019

    • Author(s)
      丸橋司、萱沼洋輔、松本啓、木全哲也、鹿野豊、山本春也、南不二雄、中村一隆
    • Organizer
      第30回光物性研究会
    • Related Report
      2019 Annual Research Report
  • [Presentation] 超格子GaAs/AlAsにおける電子フォノン結合系の量子コヒーレンス計測2019

    • Author(s)
      三島遊、北島誉士、萱沼洋輔、南不二雄、中村一隆
    • Organizer
      第66回応用物理学春季学術講演会
    • Related Report
      2018 Annual Research Report
  • [Presentation] GaAs結晶での過渡反射率計測における光応答のプローブ偏光角度依存性2018

    • Author(s)
      松本啓、北島誉士、三島遊、萱沼洋輔、中村一隆
    • Organizer
      第79回応用物理学会秋季学術講演会
    • Related Report
      2018 Annual Research Report
  • [Presentation] 交差偏光パルス対を用いたGaAs単結晶フォノンのコヒーレント制御2018

    • Author(s)
      北島誉士、三島遊、松本啓、萱沼洋輔、中村一隆
    • Organizer
      第79回応用物理学会秋季学術講演会
    • Related Report
      2018 Annual Research Report
  • [Presentation] GaAs中の光学フォノンの二次元コヒーレント分光2018

    • Author(s)
      笹瀬悠斗、南不二雄、中村一隆
    • Organizer
      第79回応用物理学会秋季学術講演会
    • Related Report
      2018 Annual Research Report
  • [Presentation] Dual-pulse quantum path interference reveals the generation dynamics of coherent phonons in GaAs2018

    • Author(s)
      Y. Kayanuma and K.G. Nakamura
    • Organizer
      The 9th Shanghai Tokyo Advanced Research on Intense Laser Science
    • Related Report
      2018 Annual Research Report
    • Int'l Joint Research / Invited
  • [Presentation] 超短パルスレーザーを用いた原子運動の実時間計測2018

    • Author(s)
      中村一隆
    • Organizer
      光・量子ビーム科学合同シンポジウム2018
    • Related Report
      2018 Annual Research Report
  • [Presentation] Coherent control of optical phonons using femtosecond pulses2018

    • Author(s)
      K. Nakamura
    • Organizer
      Conference on Laser and Synchrotron Radiation Combination Experiment LSC 2018
    • Related Report
      2018 Annual Research Report
    • Int'l Joint Research / Invited
  • [Presentation] 位相ロック2連パルス励起で見たコヒーレントフォノン生成の新しい描像2018

    • Author(s)
      萱沼洋輔、中村一隆
    • Organizer
      日本物理学会第73回年次大会
    • Related Report
      2017 Annual Research Report
  • [Presentation] Coherent control of electron-phonon coupled states in a GaAs crystal using phase-locked femtosecond pulses2018

    • Author(s)
      K. G. Nakamura, R. Kase, Y. Okuda, T. Kitashima, Y. Mishima, F. Minami, Y. Kayanma, and Y. Shikano
    • Organizer
      QNO 2108 International Conference on Quantum & Nonlinear Optics
    • Related Report
      2017 Annual Research Report
    • Int'l Joint Research / Invited
  • [Presentation] アト秒例御2連パルスによるコヒーレントフォノン生成における量子遷移経路干渉2017

    • Author(s)
      萱沼洋輔、奥田悠貴、加瀬麟太郎、中村一隆
    • Organizer
      日本物理学会2017年秋季大会
    • Related Report
      2017 Annual Research Report
  • [Presentation] Time-domain interference of electron-phonon coupled states in n-type GaAs using relative phase locked femtosecond pulses2017

    • Author(s)
      K. G. Nakamura, R. Kase, Y. Okuda, F. Minami, Y. Shikano, and Y. Kayanuma
    • Organizer
      10th International Symposium of Science and Technology for Advanced Ceramics
    • Related Report
      2017 Annual Research Report
    • Int'l Joint Research
  • [Presentation] Sub-femtosecond coherent control of electron-phonon coupled sate in GaAs by phase-locked dual pulse2017

    • Author(s)
      Y. Kayanuma, K. Yokota, and K. G. Nakamura
    • Organizer
      2017 CLEO Pacific Rim Conference
    • Related Report
      2017 Annual Research Report
    • Int'l Joint Research
  • [Presentation] Attosecond coherent control of electron-phonon coupled systems with dual optical pumping2017

    • Author(s)
      Y. Kayanuma and K. G. Nakamura
    • Organizer
      The 8th Shanghai Tokyo Advanced Research on Intense Laser Science
    • Related Report
      2017 Annual Research Report
    • Int'l Joint Research / Invited
  • [Presentation] Quantum Phase through Quantum Tunneling2017

    • Author(s)
      Yutaka Shikano
    • Organizer
      3rd International Conference on Quantum Foundations
    • Related Report
      2017 Annual Research Report
    • Int'l Joint Research / Invited
  • [Book] Quantum Phononics: Introduction to Ultrafast Dynamics of Optical Phonons2019

    • Author(s)
      Kazutaka Nakamura
    • Total Pages
      142
    • Publisher
      Springer-Nature Switzerland AG
    • ISBN
      9783030119232
    • Related Report
      2018 Annual Research Report
  • [Remarks] 超短パルス光を用い固体中の量子経路干渉を観測

    • URL

      https://www.titech.ac.jp/news/2019/044341.html

    • Related Report
      2019 Annual Research Report

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Published: 2017-04-28   Modified: 2021-02-19  

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