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Overcoming decoherence of quantum dot excitons using two-dimensional photonic crystals

Research Project

Project/Area Number 19710086
Research Category

Grant-in-Aid for Young Scientists (B)

Allocation TypeSingle-year Grants
Research Field Nanostructural science
Research InstitutionThe University of Electro-Communications (2008)
National Institute of Information and Communications Technology (2007)

Principal Investigator

HAYASE Junko  The University of Electro-Communications, 先端領域教育研究センター, 特任助教 (50342746)

Project Period (FY) 2007 – 2008
Project Status Completed (Fiscal Year 2008)
Budget Amount *help
¥3,430,000 (Direct Cost: ¥3,100,000、Indirect Cost: ¥330,000)
Fiscal Year 2008: ¥1,430,000 (Direct Cost: ¥1,100,000、Indirect Cost: ¥330,000)
Fiscal Year 2007: ¥2,000,000 (Direct Cost: ¥2,000,000)
Keywords量子ドット / デコヒーレンス / 量子情報 / フォトニック結晶
Research Abstract

本研究では、歪補償法と呼ぶ特徴的な手法で作製した超多重積層量子ドットを用いて、通信波長帯での高精度フォトンエコー測定を可能にし、(1)現在世界最長の励起子デコヒーレンス時間を達成、(2)ラビ振動と呼ばれるコヒーレント振動の制御を通信波長帯において初めて成功させるなどの成果を挙げた。本研究成果は、次世代の情報通信技術である量子情報技術の発展に寄与することが期待される。

Report

(3 results)
  • 2008 Annual Research Report   Final Research Report ( PDF )
  • 2007 Annual Research Report
  • Research Products

    (58 results)

All 2009 2008 2007 Other

All Journal Article (16 results) (of which Peer Reviewed: 14 results) Presentation (34 results) Book (1 results) Remarks (7 results)

  • [Journal Article] Ensemble effect on Rabi oscillations of excitons in quantum dots2009

    • Author(s)
      J. Ishi-Hayase, K. Akahane, N. Yamamoto, M. Kujiraoka, K. Ema, and M. Sasaki
    • Journal Title

      phys. status solidi (a) 206

      Pages: 952-955

    • Related Report
      2008 Final Research Report
    • Peer Reviewed
  • [Journal Article] 光-量子ドット相互量子制御-量子メモリの実現に向けて-2009

    • Author(s)
      早瀬潤子
    • Journal Title

      (解説論文),レーザー研究 37

      Pages: 38-42

    • NAID

      10024747667

    • Related Report
      2008 Final Research Report
  • [Journal Article] Exciton coherence in semiconductor quantum dots2009

    • Author(s)
      J. Ishi-Hayase, K. Akahane, N. Yamamoto, M. Kujiraoka, K. Ema, and M. Sasaki
    • Journal Title

      (invited paper), phys. status solidi(c) 6

      Pages: 162-167

    • Related Report
      2008 Final Research Report
    • Peer Reviewed
  • [Journal Article] Exciton coherence in semiconductor quantum dots2009

    • Author(s)
      J. Ishi-Hayase
    • Journal Title

      physica status solidi (c) 6

      Pages: 162-1677

    • Related Report
      2008 Annual Research Report
    • Peer Reviewed
  • [Journal Article] 光-量子ドット相互量子制御-量子メモリの実現に向けて-2009

    • Author(s)
      早瀬潤子
    • Journal Title

      レーザー研究 37

      Pages: 38-42

    • NAID

      10024747667

    • Related Report
      2008 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Ensemble effect on Rabi oscillations of excitons in quantum dots2009

    • Author(s)
      M. Kujiraoka
    • Journal Title

      physica status solidi (a) (印刷中)

    • Related Report
      2008 Annual Research Report
    • Peer Reviewed
  • [Journal Article] 量子ドットの基礎と量子情 報分野への応用展開2008

    • Author(s)
      早瀬潤子
    • Journal Title

      解説論文), オプトロニクス 6 月号

      Pages: 173-182

    • Related Report
      2008 Final Research Report
    • Peer Reviewed
  • [Journal Article] Correlation effect of Rabi oscillations of excitons in quantum dots2008

    • Author(s)
      J. Ishi-Hayase, K. Akahane, N. Yamamoto, M. Kujiraoka, K. Ema, and M. Sasaki
    • Journal Title

      J. Lumin. 128

      Pages: 1016-1018

    • Related Report
      2008 Final Research Report
    • Peer Reviewed
  • [Journal Article] Radiative and non-radiative relaxation of excitons in strain-compensated quantum dots2008

    • Author(s)
      M. Kujiraoka, J. Ishi-Hayase, K. Akahane, N. Yamamoto, K. Ema, and M. Sasaki
    • Journal Title

      J. Lumin. 128

      Pages: 972-974

    • Related Report
      2008 Final Research Report
    • Peer Reviewed
  • [Journal Article] 量子ドットの基礎と量子情報分野への応用展開2008

    • Author(s)
      早瀬潤子
    • Journal Title

      オプトロニクス 6月号

      Pages: 173-182

    • Related Report
      2008 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Correlation effect of Rabi oscillations of excitons in quantum dots2008

    • Author(s)
      J.Ishi-Hayase
    • Journal Title

      Journal of Luminescence 128

      Pages: 1016-1018

    • Related Report
      2007 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Radiative and non-radiative relaxation of excitons in strain-compensatedquantum dots2008

    • Author(s)
      M.Kujiraoka
    • Journal Title

      Journal of Luminescence 128

      Pages: 972-974

    • Related Report
      2007 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Strain-compensated quantum dots emitting at 1.5 micron: resonant nonlinear optical properties and exciton dynamics2007

    • Author(s)
      J. Ishi-Hayase, K. Akahane, N. Yamamoto, M. Kujiraoka, K. Ema, and M. Sasaki
    • Journal Title

      (Invited Paper), Proc. SPIE

    • Related Report
      2008 Final Research Report
    • Peer Reviewed
  • [Journal Article] Radiatively limited dephasing of quantum dot excitons in the telecommunications wavelength range2007

    • Author(s)
      J. Ishi-Hayase, K. Akahane, N. Yamamoto, M. Sasaki, M. Kujiraoka, and K. Ema
    • Journal Title

      Appl. Phys. Lett. 91

    • Related Report
      2008 Final Research Report
  • [Journal Article] Strain-compensated quantum dots emitting at 1.5 micron:resonant nonlinear optical properties and exciton dynamics2007

    • Author(s)
      J.Ishi-Hayase
    • Journal Title

      Proceedings of SPIE NA

    • Related Report
      2007 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Radiatively limited dephasing of quantum dot excitons in the telecommunications wavelength range2007

    • Author(s)
      J.lshi-Hayase
    • Journal Title

      Applied Physics Letters 91

    • Related Report
      2007 Annual Research Report
    • Peer Reviewed
  • [Presentation] 集団量子ドットにおけるフォトンエコー信号の励起スペクトル幅依存性2009

    • Author(s)
      鯨岡 真美子, 光武慧, 赤羽 浩一, 山本 直克, 江馬一弘, 佐々木 雅英, 早瀬(伊師) 潤子
    • Organizer
      2009 年春季第56 回応用物理学関係連合講演会
    • Place of Presentation
      筑波大学
    • Year and Date
      2009-03-31
    • Related Report
      2008 Final Research Report
  • [Presentation] 集団量子ドットにおけるフォトンエコー信号の励起スペクトル幅依存性2009

    • Author(s)
      鯨岡真美子
    • Organizer
      2009年春季第56回応用物理学関係連合講演会
    • Place of Presentation
      筑波大学
    • Year and Date
      2009-03-31
    • Related Report
      2008 Annual Research Report
  • [Presentation] 量子ドットによるフォトンエコー量子メモリの実現に向けて2009

    • Author(s)
      早瀬(伊師)潤子
    • Organizer
      2009年春季第56回応用物理学関係連合講演会
    • Place of Presentation
      筑波大学
    • Year and Date
      2009-03-31
    • Related Report
      2008 Annual Research Report
  • [Presentation] 量子ドットによるフォトンエコー量子メモリの実現に向けて2009

    • Author(s)
      早瀬(伊師) 潤子
    • Organizer
      009 年春季第56 回応用物理学関係連合講演会
    • Place of Presentation
      筑波大学
    • Related Report
      2008 Final Research Report
  • [Presentation] 量子ドットにおけるパルス面積の精密評価2008

    • Author(s)
      早瀬(伊師) 潤子,鯨岡 真美子,赤羽 浩一, 山本 直克, 江馬一弘, 佐々木 雅英
    • Organizer
      日本物理学会2008 年秋季大会
    • Place of Presentation
      岩手大学上田キャンパス
    • Year and Date
      2008-09-22
    • Related Report
      2008 Final Research Report
  • [Presentation] 量子ドットにおけるパルス面積の精密評価2008

    • Author(s)
      早瀬(伊師)潤子
    • Organizer
      日本物理学会2008年秋季大会
    • Place of Presentation
      岩手大学上田キャンパス
    • Year and Date
      2008-09-22
    • Related Report
      2008 Annual Research Report
  • [Presentation] 子ドットにおける励起子ラビ振動の減衰メカニズム2008

    • Author(s)
      鯨岡 真美子, 早瀬(伊師)潤子, 赤羽浩一, 山本 直克, 江馬一弘, 佐々木雅英
    • Organizer
      日本物理学会2008 年秋季大会
    • Place of Presentation
      岩手大学上田キャンパス
    • Year and Date
      2008-09-21
    • Related Report
      2008 Final Research Report
  • [Presentation] 量子ドットにおける励起子ラビ振動の減衰メカニズム2008

    • Author(s)
      鯨岡真美子
    • Organizer
      日本物理学会2008年秋季大会
    • Place of Presentation
      岩手大学上田キャンパス
    • Year and Date
      2008-09-21
    • Related Report
      2008 Annual Research Report
  • [Presentation] 量子ドット集合体における励起子ラビ振動の減衰モデル2008

    • Author(s)
      鯨岡 真美子, 早瀬(伊師)潤子, 赤羽浩一, 山本 直克, 江馬一弘, 佐々木雅英
    • Organizer
      2008 年秋季第69 回応用物理学会学術講演会
    • Place of Presentation
      中部大学
    • Year and Date
      2008-09-04
    • Related Report
      2008 Final Research Report
  • [Presentation] 量子ドット集合体における励起子ラビ振動の減衰モデル2008

    • Author(s)
      鯨岡真美子
    • Organizer
      2008年秋季第69回応用物理学会学術講演会
    • Place of Presentation
      中部大学
    • Year and Date
      2008-09-04
    • Related Report
      2008 Annual Research Report
  • [Presentation] Ensemble effect on Rabi oscillations of exciton in quantum dots2008

    • Author(s)
      M. Kujiraoka, J. Ishi-Hayase, K. Akahane, N. Yamamoto, K. Ema, and M. Sasaki
    • Organizer
      (Poster Pater Prize), Third International Conference on Optical, Optoelectronic and Photonic Materials and Applications (ICOOPMA08)
    • Place of Presentation
      Lister Conference Centre, University of Alberta, Edmonton, Alberta, Canada
    • Year and Date
      2008-07-22
    • Related Report
      2008 Final Research Report
  • [Presentation] Ensemble effect on Rabi oscillations of exciton in quantum dots2008

    • Author(s)
      M. Kujiraoka
    • Organizer
      hird International Conference on Optical, Optoelectronic and Photonic Materials and Applications (ICOOPMA08)
    • Place of Presentation
      Lister Confbrence Centre, University of Alberta, Edmonton, Alberta, Canada
    • Year and Date
      2008-07-22
    • Related Report
      2008 Annual Research Report
  • [Presentation] 歪補償量子ドットにおける励起子コヒーレンスと光波・量子通信への応用2008

    • Author(s)
      早瀬(伊師)潤子
    • Organizer
      招待講演), 特定領域研究「新世代光通信へのイノベーション」第2回量子情報ミニ研究会
    • Place of Presentation
      地方職員共済組合 有馬保養所 瑞宝園
    • Year and Date
      2008-07-08
    • Related Report
      2008 Final Research Report
  • [Presentation] 歪補償量子ドットにおける励起子コヒーレンスと光波・量子通信への応用2008

    • Author(s)
      早瀬(伊師)潤子
    • Organizer
      特定領域研究「新世代光通信へのイノベーション」第2回量子情報ミニ研究会
    • Place of Presentation
      地方職員共済組合 有馬保養監所 瑞宝園
    • Year and Date
      2008-07-08
    • Related Report
      2008 Annual Research Report
  • [Presentation] Exciton coherence in semiconductor quantum dots2008

    • Author(s)
      J. Ishi-Hayase
    • Organizer
      (plenary talk), The 8th International Conference on Excitonic Processes in Condensed Matter (EXCON'08)
    • Place of Presentation
      Kyoto University, Kyoto, Japan
    • Year and Date
      2008-06-25
    • Related Report
      2008 Final Research Report
  • [Presentation] Exciton coherence in semiconductor quantum dots2008

    • Author(s)
      J. shi-Hayase
    • Organizer
      The 8th International Conference on Excitonic Processes in Condensed Matter (EXCON'08)
    • Place of Presentation
      Kyoto Univ.
    • Year and Date
      2008-06-25
    • Related Report
      2008 Annual Research Report
  • [Presentation] 歪補償量子ドットにおける励起子ポピュレーションのポンプ光強度依存性2008

    • Author(s)
      鯨岡 真美子, 早瀬(伊師)潤子, 赤羽浩一, 山本 直克, 江馬一弘, 佐々木雅英
    • Organizer
      2008 年春季第55 回応用物理学関係連合講演会
    • Place of Presentation
      日本大学理工学部 船橋キャンパス
    • Year and Date
      2008-03-28
    • Related Report
      2008 Final Research Report
  • [Presentation] Coherent dynamics of exciton qubits in strain-compensated quantum dots2008

    • Author(s)
      J. Ishi-Hayase
    • Organizer
      (invited talk), First International Symposium on Interdisciplinary Materials Science (ISIMS-2008)
    • Place of Presentation
      Tsukuba International Congress Center, Tsukuba, Japan
    • Year and Date
      2008-03-13
    • Related Report
      2008 Final Research Report
  • [Presentation] 歪補償量子ドットにおける励起子ポピユレーショシのポンプ光強度依存性2008

    • Author(s)
      鯨岡 真美子
    • Organizer
      2008年春季第55回応用勿理学関係連合講演会
    • Place of Presentation
      日本大学理工学部船橋キャンパス
    • Year and Date
      2008-03-13
    • Related Report
      2007 Annual Research Report
  • [Presentation] Coherent dynamics of exciton qubits in strain-compcensated quantum dots2008

    • Author(s)
      J.Ishi-Hayase
    • Organizer
      (invited talk) First International Symposium on Interdisciplinary Materials Science (ISIMS-2008)
    • Place of Presentation
      Tsukuba Internatignal Congress Center,Tsukuba,Japan
    • Year and Date
      2008-03-13
    • Related Report
      2007 Annual Research Report
  • [Presentation] 歪補償量子ドットにおける励起子コヒーレンスの評価と制御2008

    • Author(s)
      早瀬(伊師)潤子
    • Organizer
      依頼講演), 電気通信大学 レーザー新世代研究センター セミナー
    • Place of Presentation
      電気通信大学
    • Year and Date
      2008-01-29
    • Related Report
      2008 Final Research Report
  • [Presentation] 歪補償量子ドットにおける励起子コヒーレンスの評価と制御2008

    • Author(s)
      早瀬 潤子
    • Organizer
      電気通信大学レーザー新世代研究センターセミナ-
    • Place of Presentation
      電気通信大学
    • Year and Date
      2008-01-29
    • Related Report
      2007 Annual Research Report
  • [Presentation] フォトンエコー法による量子ドット励起子の位相緩和測定とラビ振動制御2007

    • Author(s)
      早瀬(伊師)潤子,赤羽浩一,山本直克,鯨岡真美子,江馬一弘,佐々木雅英
    • Organizer
      依頼講演), QDR セミナー
    • Place of Presentation
      物質・材料機構
    • Year and Date
      2007-11-12
    • Related Report
      2008 Final Research Report
  • [Presentation] フォトンエコー法による量子ドット励起子の位相緩和測定とラビ振動制御2007

    • Author(s)
      早瀬 潤子
    • Organizer
      QDRセミナー
    • Place of Presentation
      物質・材料機構
    • Year and Date
      2007-11-12
    • Related Report
      2007 Annual Research Report
  • [Presentation] 低歪積層量子ドットにおける励起子ラビ振動2007

    • Author(s)
      早瀬(伊師)潤子, 赤羽 浩一, 山本 直克, 鯨岡 真美子, 江馬一弘, 佐々木雅英
    • Organizer
      日本物理学会 第62 回年次大会
    • Place of Presentation
      北海道大学札幌キャンパス
    • Year and Date
      2007-09-23
    • Related Report
      2008 Final Research Report
  • [Presentation] 低歪積層量子ドットにおける励起子ラビ振動2007

    • Author(s)
      早瀬 潤子
    • Organizer
      日本物理学会第62回年次大会
    • Place of Presentation
      北海道大学札幌キャンパス
    • Year and Date
      2007-09-23
    • Related Report
      2007 Annual Research Report
  • [Presentation] Strain-compensated quantum dots emitting at 1.5 micron: resonant nonlinear optical properties and exciton dynamics2007

    • Author(s)
      J. Ishi-Hayase, K. Akahane, N. Yamamoto, M. Kujiraoka, K. Ema, and M. Sasaki
    • Organizer
      (invited talk), SPIE Optics East 2007
    • Place of Presentation
      Seaport World Trade Center Boston, MA, USA
    • Year and Date
      2007-09-10
    • Related Report
      2008 Final Research Report
  • [Presentation] Strain-compensated quantum dots emitting at 1.5 micron: resonant nonlinear optical properties and exciton dynamics2007

    • Author(s)
      J.Ishi-Hayase
    • Organizer
      (invited talk)SPIE Optics East 2007
    • Place of Presentation
      Seaport World Trade Center Boston,MA USA
    • Year and Date
      2007-09-10
    • Related Report
      2007 Annual Research Report
  • [Presentation] Correlation effect on Rabi oscillations of excitons in quantum dots2007

    • Author(s)
      J. Ishi-Hayase, K. Akahane, N. Yamamoto, M. Kujiraoka, K. Ema, and M. Sasaki
    • Organizer
      (Poster prize), 16th International Conference on Dynamical Processes in Excited States of Solids (DPC07)
    • Place of Presentation
      Universidad SEK, Segovia, Spain
    • Year and Date
      2007-06-21
    • Related Report
      2008 Final Research Report
  • [Presentation] Radiative and non-radiative relaxation of excitons in strain-compensated quantum dots2007

    • Author(s)
      M. Kujiraoka, J. Ishi-Hayase, K. \Akahane, N. Yamamoto, K. Ema, and M. Sasaki
    • Organizer
      (Poster prize), 16th International Conference on Dynamical Processes in Excited States of Solids (DPC07)
    • Place of Presentation
      Universidad SEK, Segovia, Spain
    • Year and Date
      2007-06-21
    • Related Report
      2008 Final Research Report
  • [Presentation] Radiative and non-radiative relaxation of excitons strain-copensaiedquantum dots2007

    • Author(s)
      M.Kujiraoka
    • Organizer
      16th International Conference on Dynamical Processes in Excited States of Solids(DPCO7)
    • Place of Presentation
      Universidad SEK,Segovia,Spain
    • Year and Date
      2007-06-21
    • Related Report
      2007 Annual Research Report
  • [Presentation] Correlation Effect on Rabi oscillations of excitons in quantum dost2007

    • Author(s)
      J. Ishi-Hayase
    • Organizer
      6th International Conference on Dynamical Processes in Excited States of Solids (DPC07)
    • Place of Presentation
      Universidad SEK, Segovia, Spain
    • Year and Date
      2007-06-12
    • Related Report
      2007 Annual Research Report
  • [Presentation] 量子ドットにおける量子コヒーレンス2007

    • Author(s)
      早瀬(伊師)潤子
    • Organizer
      依頼講演), 上智大学コロキウム
    • Place of Presentation
      上智大学
    • Year and Date
      2007-04-19
    • Related Report
      2008 Final Research Report
  • [Presentation] 量子ドットにおける量子コヒーレンスム2007

    • Author(s)
      早瀬 潤子
    • Organizer
      上智大学コロキウム
    • Place of Presentation
      上智大学
    • Year and Date
      2007-04-19
    • Related Report
      2007 Annual Research Report
  • [Book] 基礎からの量子光学 第30 章「量子ドットの基礎と量子情報分野への応用」2009

    • Author(s)
      早瀬潤子
    • Publisher
      オプトロニクス
    • Related Report
      2008 Final Research Report
  • [Remarks] ホームページ等

    • Related Report
      2008 Final Research Report
  • [Remarks] 電気通信大学

    • URL

      http://www.ghrdp.uec.ac.jp/introduction/intro_hayase.html

    • Related Report
      2008 Final Research Report
  • [Remarks] JST さきがけ

    • URL

      http://www.light.jst.go.jp/index.html

    • Related Report
      2008 Final Research Report
  • [Remarks] 情報通信研究機構

    • URL

      http://www2.nict.go.jp/w/w113/qit/index.html

    • Related Report
      2008 Final Research Report
  • [Remarks]

    • URL

      http://www.ghrdp.uec.ac.jp/introduction/intro_hayase.html

    • Related Report
      2008 Annual Research Report
  • [Remarks]

    • URL

      http://www2.nict.go.jp/w/w113/qit/index.html

    • Related Report
      2008 Annual Research Report
  • [Remarks]

    • URL

      http://www2.nict.go.jp/w/w113/qit/index.html

    • Related Report
      2007 Annual Research Report

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Published: 2007-04-01   Modified: 2016-04-21  

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