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Manipulation and generation of multi-mode Gaussian quantum states

Research Project

Project/Area Number 19840018
Research Category

Grant-in-Aid for Young Scientists (Start-up)

Allocation TypeSingle-year Grants
Research Field 原子・分子・量子エレクトロニクス・プラズマ
Research InstitutionThe University of Tokyo

Principal Investigator

YONEZAWA Hidehiro  The University of Tokyo, 大学院・工学系研究科, 特任講師 (50451802)

Project Period (FY) 2007 – 2008
Project Status Completed (Fiscal Year 2008)
Budget Amount *help
¥3,105,000 (Direct Cost: ¥2,700,000、Indirect Cost: ¥405,000)
Fiscal Year 2008: ¥1,755,000 (Direct Cost: ¥1,350,000、Indirect Cost: ¥405,000)
Fiscal Year 2007: ¥1,350,000 (Direct Cost: ¥1,350,000)
Keywordsスクイーズド光 / 連続量量子情報処理 / ガウス型量子状態 / ホモダイン測定
Research Abstract

本研究は、連続量・量子情報処理の基本要素である、ガウス型量子状態の多モード・高精度制御の実現を目的とした。研究成果の一つは、モノリシック型PPKTP結晶によるスクイ-ズド光生成の実現である。これは、高レベルスクイ-ズド光の多モード生成につながる成果といえる。またもう一つの成果は、コヒーレント光に対するアダプティブホモダイン測定の実現である。アダプティブホモダイン測定とは、フィードバック制御を用いて従来よりも高精度な光の位相測定を実現する方法である。これは、量子状態の制御技術の確立につながる成果といえる。

Report

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

    (49 results)

All 2009 2008 2007

All Journal Article (6 results) (of which Peer Reviewed: 3 results) Presentation (43 results)

  • [Journal Article] Experimental demonstration of quantum teleportation of broadband squeezing2007

    • Author(s)
      H. Yonezawa, S.L. Braunstein, and A.Furusawa
    • Journal Title

      Phys.Rev.Lett 99

    • Related Report
      2008 Final Research Report
  • [Journal Article] Sequential quantum teleportation of optical coherent states2007

    • Author(s)
      H. Yonezawa, A. Furusawa, and P. vanLoock
    • Journal Title

      Phys.Rev.A 76

    • Related Report
      2008 Final Research Report
  • [Journal Article] Experimental demonstration of macroscopic quantum coherence in Gaussian states2007

    • Author(s)
      C. Marquardt, U.L. Andersen, G. Leuchs, Y. Takeno, M. Yukawa, H. Yonezawa, and A. Furusawa
    • Journal Title

      Phys.Rev.A 76

    • Related Report
      2008 Final Research Report
  • [Journal Article] Experimental demonstration of quantum teleportation of broadband squeezing2007

    • Author(s)
      H. Yonezawa, S.L. Braunstein, and A. Furusawa
    • Journal Title

      Phys. Rev. Lett. 99

    • Related Report
      2007 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Sequential quantum teleportation of optical coherent states2007

    • Author(s)
      H. Yonezawa, A. Furusawa, and P. van Loock
    • Journal Title

      Phys. Rev. A 76

    • Related Report
      2007 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Experimental demonstration of macroscopic quantum coherence in Gaussian states2007

    • Author(s)
      C. Marquardt, U.L. Andersen, G. Leuchs, Y. Takeno, M. Yukawa, H. Yonezawa, and A. Furusawa
    • Journal Title

      Phys. Rev. A 76

    • Related Report
      2007 Annual Research Report
    • Peer Reviewed
  • [Presentation] PPMgLN結晶による波長860nmスクイーズド光の生成2009

    • Author(s)
      政田元太、植田幹也、高橋走、米澤英宏、鈴土剛、佐藤康弘、石月秀貴、平等拓範、古澤明
    • Organizer
      日本物理学会第64回春季大会
    • Place of Presentation
      立教大学(東京都)
    • Year and Date
      2009-03-27
    • Related Report
      2008 Final Research Report
  • [Presentation] PPKTPモノリシック共振器によるスクイ-ズド光生成の研究2009

    • Author(s)
      永島航洋、米澤英宏、古澤明
    • Organizer
      日本物理学会第64回春季大会
    • Place of Presentation
      立教大学(東京都)
    • Year and Date
      2009-03-27
    • Related Report
      2008 Final Research Report
  • [Presentation] アダプティブホモダイン測定によるスクイーズド光の位相推定の研究II2009

    • Author(s)
      中根大輔、荒生肇、米澤英宏、Trevor Wheatly、Elanor Huntington、古澤明
    • Organizer
      日本物理学会第64回春季大会
    • Place of Presentation
      立教大学(東京都)
    • Year and Date
      2009-03-27
    • Related Report
      2008 Final Research Report
  • [Presentation] PPMgLN結晶による波長860nmスクイーズド光の生成2009

    • Author(s)
      政田元太, 植田幹也, 高橋走, 米澤英宏, 鈴土剛, 佐藤康弘, 石月秀貴, 平等拓範, 古澤明
    • Organizer
      日本物理学会第64回春季大会
    • Place of Presentation
      東京
    • Year and Date
      2009-03-27
    • Related Report
      2008 Annual Research Report
  • [Presentation] PPKTPモノリシック共振器によるスクイーズド光生成の研究2009

    • Author(s)
      永島航洋, 米澤英宏, 古澤明
    • Organizer
      日本物理学会第64回春季大会
    • Place of Presentation
      東京
    • Year and Date
      2009-03-27
    • Related Report
      2008 Annual Research Report
  • [Presentation] アダプティブホモダイン測定によるスクイーズド光の位相推定の研究II2009

    • Author(s)
      中根大輔, 荒生肇, 米澤英宏, Trevor Wheatly, Elanor Huntington, 古澤明
    • Organizer
      日本物理学会第64回春季大会
    • Place of Presentation
      東京
    • Year and Date
      2009-03-27
    • Related Report
      2008 Annual Research Report
  • [Presentation] Generation of Squeezed States of Lightat 860 nm with Periodically PoledMgO : LiNbO_3 Crystal2009

    • Author(s)
      G. Masada, K. Nagashima, H. Yonezawa, T. Suzudo, Y. Satoh, H. Ishizuki, T. Taira, A. Furusawa
    • Organizer
      Advanced Solid-State Photonics, TuC2
    • Place of Presentation
      Denver
    • Year and Date
      2009-02-01
    • Related Report
      2008 Final Research Report
  • [Presentation] Generation of Squeezed States of Light at 860 nm with Periodically Poled MgO:LiNbO3 Crystal2009

    • Author(s)
      G. Masada, K. Nagashima, H. Yonezawa, T. Suzudo, Y. Satoh, H. Ishizuki. T. Taira. A. Furusawa
    • Organizer
      Advanced Solid-State Photonics
    • Place of Presentation
      Denver
    • Year and Date
      2009-01-01
    • Related Report
      2008 Annual Research Report
  • [Presentation] PPKTP結晶による波長860nmスクイーズド光の生成2008

    • Author(s)
      永島航洋、政田元太、竹野唯志、米澤英宏、古澤明
    • Organizer
      日本物理学会第63回秋季大会
    • Place of Presentation
      岩手大学(盛岡市)
    • Year and Date
      2008-09-22
    • Related Report
      2008 Final Research Report
  • [Presentation] クラスター状態を用いた1モードガウシアン操作の実現II2008

    • Author(s)
      アームストロング聖士、鵜飼竜志、吉川純一、米澤英宏、Peter Van Loock、古澤明
    • Organizer
      日本物理学会第63回秋季大会
    • Place of Presentation
      岩手大学(盛岡市)
    • Year and Date
      2008-09-22
    • Related Report
      2008 Final Research Report
  • [Presentation] クラスター状態を用いた1モードガウシアン操作の実現I2008

    • Author(s)
      鵜飼竜志、アームストロング聖士、吉川純一、米澤英宏、Peter van Loock、古澤明
    • Organizer
      日本物理学会第63回秋季大会
    • Place of Presentation
      岩手大学(盛岡市)
    • Year and Date
      2008-09-22
    • Related Report
      2008 Final Research Report
  • [Presentation] アダプティブホモダイン測定によるスクイーズド光の位相推定の研究2008

    • Author(s)
      荒生肇、米澤英宏、Trevor Wheatley、Elanor Huntington、古澤明
    • Organizer
      日本物理学会第63回秋季大会
    • Place of Presentation
      岩手大学(盛岡市)
    • Year and Date
      2008-09-22
    • Related Report
      2008 Final Research Report
  • [Presentation] PPKTP結晶による波長860nmスクイーズド光の生成2008

    • Author(s)
      永島航洋, 牧田元太, 竹野唯志, 米澤英宏, 古澤明
    • Organizer
      日本物理学会第63回秋季大会
    • Place of Presentation
      盛岡市
    • Year and Date
      2008-09-22
    • Related Report
      2008 Annual Research Report
  • [Presentation] クラスター状態を用いた1モードガウシアン操作の実現II2008

    • Author(s)
      アームストロング聖士, 鵜飼竜志, 吉川純一, 米澤英宏, Peter Van Loock, 古澤明
    • Organizer
      日本物理学会第63回秋季大会
    • Place of Presentation
      盛岡市
    • Year and Date
      2008-09-22
    • Related Report
      2008 Annual Research Report
  • [Presentation] クラスター状態を用いた1モードガウシアン操作の実現I2008

    • Author(s)
      鵜飼竜志, アームストロング聖士, 吉川純一, 米澤英宏, Peter van Loock, 古澤明
    • Organizer
      日本物理学会第63回秋季大会
    • Place of Presentation
      盛岡市
    • Year and Date
      2008-09-22
    • Related Report
      2008 Annual Research Report
  • [Presentation] アダプティブホモダイン測定によるスクイーズド光の位相推定の研究2008

    • Author(s)
      荒生肇, 米澤英宏, Trevor Wheatley, Elanor Huntington, 古澤明
    • Organizer
      日本物理学会第63回秋季大会
    • Place of Presentation
      盛岡市
    • Year and Date
      2008-09-22
    • Related Report
      2008 Annual Research Report
  • [Presentation] Continuous variable quantum information processing with squeezed states of light2008

    • Author(s)
      H. Yonezawa(invited)
    • Organizer
      The XII International Conference on Quantum Optics and Quantum Information
    • Place of Presentation
      Lithuania
    • Year and Date
      2008-09-20
    • Related Report
      2008 Final Research Report
  • [Presentation] Continuous variable quantum information processing with squeezed states of ligh2008

    • Author(s)
      H. Yonezawa(invited)
    • Organizer
      The XII International Conference on Quantum Optics and Quantum Information
    • Place of Presentation
      Lithuania
    • Year and Date
      2008-09-20
    • Related Report
      2008 Annual Research Report
  • [Presentation] Experimental generation of four-mode continuous-variable cluster states(poster)2008

    • Author(s)
      S. Armstrong, M. Yukawa, R. Ukai, J. Yoshikawa, H. Yonezawa, P. van Loock and A. Furusawa
    • Organizer
      International Nano-Optelectronic Workshop
    • Place of Presentation
      Shonan Village
    • Year and Date
      2008-08-05
    • Related Report
      2008 Final Research Report
  • [Presentation] Experimental generation of four-mode continuous-variable cluster states2008

    • Author(s)
      S. Armstrong, M. Yukawa, R. Ukai, J. Yoshikawa, H. Yonezawa, P. van Loock and A. Furusawa
    • Organizer
      International Nano-Optelectronic Workshop
    • Place of Presentation
      Kanagawa
    • Year and Date
      2008-08-05
    • Related Report
      2008 Annual Research Report
  • [Presentation] Generation of highly squeezed light at 860 nm(poster)2008

    • Author(s)
      K. Nagashima, G. Masada, H. Arao, Y. Takeno, H. Yonezawa and A. Furusawa
    • Organizer
      International Nano-Optelectronic Workshop
    • Place of Presentation
      Shonan Village
    • Year and Date
      2008-08-03
    • Related Report
      2008 Final Research Report
  • [Presentation] Generation of highly squeezed light at 860 nm2008

    • Author(s)
      K. Nagashima, G. Masada, H. Arao, Y. Takeno, H. Yonezawa and A. Furusawa
    • Organizer
      International Nano-Optelectronic Workshop
    • Place of Presentation
      Kanagawa
    • Year and Date
      2008-08-03
    • Related Report
      2008 Annual Research Report
  • [Presentation] Broadband Quantum Teleportation2008

    • Author(s)
      N. Lee, Y. Takeno, H. Yonezawa, J. Webb, E. Huntington and A. Furusawa
    • Organizer
      The 4th Asia Pacific Conference in Quantum Information Science
    • Place of Presentation
      Cairns
    • Year and Date
      2008-07-03
    • Related Report
      2008 Annual Research Report 2008 Final Research Report
  • [Presentation] Experimental demonstration of macroscopic quantum coherence in Gaussian states2008

    • Author(s)
      C. Marquardt, U.L. Andersen G. Leuchs, Y. Takeno, M. Yukawa, H. Yonezawa, and A. Furusawa
    • Organizer
      CLEO/QELS2008, QMB1
    • Place of Presentation
      San Jose
    • Year and Date
      2008-05-05
    • Related Report
      2008 Final Research Report
  • [Presentation] Experimental demonstration of macroscopic quantum coherence in Gaussian stat2008

    • Author(s)
      C. Marquardt, U. L. Andersen G. Leuchs, Y. Takeno, M. Yukawa, H. Yonezawa, and A.
    • Organizer
      CLEO/QELS2008
    • Place of Presentation
      San Jose
    • Year and Date
      2008-05-05
    • Related Report
      2008 Annual Research Report
  • [Presentation] Teleportation of squeezed states2008

    • Author(s)
      H. Yonezawa and A. Furusawa
    • Organizer
      8th International Conference on Physics of Light-Matter Coupling in Nano Structures, ThC-4
    • Place of Presentation
      The University of Tokyo
    • Year and Date
      2008-04-10
    • Related Report
      2008 Final Research Report
  • [Presentation] Teleportation of squeezed states2008

    • Author(s)
      H. Yonezawa and A. Furusawa
    • Organizer
      8th International Conference on Physics of Light-Matter Coupling in Nano Structures
    • Place of Presentation
      Tokyo
    • Year and Date
      2008-04-10
    • Related Report
      2008 Annual Research Report
  • [Presentation] Creation of 9dB squeezing with perio dically poled KTiOPO_42008

    • Author(s)
      Y. Takeno, M. Yukawa, H. Yonezawa, and A. Furusawa
    • Organizer
      8th International Conference on Physics of Light-Matter Coupling in Nano Structures
    • Place of Presentation
      The University of Tokyo
    • Year and Date
      2008-04-09
    • Related Report
      2008 Final Research Report
  • [Presentation] Creation of 9dB squeezing with periodically poled KTiOPO_42008

    • Author(s)
      Y. Takeno, M. Yukawa, H. Yonezawa, and A. Furusawa
    • Organizer
      8th International Conference on Physics of Light-Matter Coupling in Nano Structures
    • Place of Presentation
      Tokyo
    • Year and Date
      2008-04-09
    • Related Report
      2008 Annual Research Report
  • [Presentation] 光子検出により非ガウス化したスクイーズド光の量子テレポーテーションの研究2008

    • Author(s)
      竹野唯志、李憲之、米澤英宏、古澤明
    • Organizer
      日本物理学会第63回年次大会
    • Place of Presentation
      近畿大学(大阪市)
    • Year and Date
      2008-03-24
    • Related Report
      2008 Final Research Report
  • [Presentation] 連続量4モードクラスター状態の生成2008

    • Author(s)
      湯川光彬、鵜飼竜志、米澤英宏、古澤明
    • Organizer
      日本物理学会第63回年次大会
    • Place of Presentation
      近畿大学(大阪市)
    • Year and Date
      2008-03-24
    • Related Report
      2008 Final Research Report
  • [Presentation] 広帯域量子テレポーテーションの研究2008

    • Author(s)
      李憲之、竹野唯志、米澤英宏、古澤明
    • Organizer
      日本物理学会第63回年次大会
    • Place of Presentation
      近畿大学(大阪市)
    • Year and Date
      2008-03-24
    • Related Report
      2008 Final Research Report
  • [Presentation] 光子検出により非ガウス化したスクイーズド光の量子テレポーテーションの研究2008

    • Author(s)
      竹野唯志、李憲之、米澤英宏、古澤明
    • Organizer
      日本物理学会第63回年次大会
    • Place of Presentation
      大阪市
    • Year and Date
      2008-03-24
    • Related Report
      2007 Annual Research Report
  • [Presentation] 連続量4モードクラスター状態の生成"2008

    • Author(s)
      湯川光彬、鵜飼竜志、米澤英宏、古澤明
    • Organizer
      日本物理学会第63回年次大会
    • Place of Presentation
      大阪市
    • Year and Date
      2008-03-24
    • Related Report
      2007 Annual Research Report
  • [Presentation] 広帯域量子テレポーテーションの研究2008

    • Author(s)
      李憲之、竹野唯志、米澤英宏、古澤明
    • Organizer
      日本物理学会第63回年次大会
    • Place of Presentation
      大阪市
    • Year and Date
      2008-03-24
    • Related Report
      2007 Annual Research Report
  • [Presentation] PPKTP結晶による波長860nmスクイーズド光の生成III2008

    • Author(s)
      政田元太、永島航洋、岡野悠、荒生肇、竹野唯志、米澤英宏、古澤明
    • Organizer
      日本物理学会第63回年次大会
    • Place of Presentation
      近畿大学(大阪市)
    • Year and Date
      2008-03-23
    • Related Report
      2008 Final Research Report
  • [Presentation] PPKTP結晶による波長860nmスクイーズド光の生成III2008

    • Author(s)
      政田元太、永島航洋、岡野悠、荒生肇、竹野唯志、米澤英宏、古澤明
    • Organizer
      日本物理学会第63回年次大会
    • Place of Presentation
      大阪市
    • Year and Date
      2008-03-23
    • Related Report
      2007 Annual Research Report
  • [Presentation] Teleporting Below the Vacuum-NoiseLevel : Non-Local Transfer of Squeezing and Entanglement2007

    • Author(s)
      H. Yonezawa, S. L. Braunstein, and A Furusawa
    • Organizer
      CLEO/QELS 2007, QTuI1
    • Place of Presentation
      Baltimore
    • Year and Date
      2007-05-08
    • Related Report
      2008 Final Research Report
  • [Presentation] 9 dB Quadrature Squeezing at 860 nm with Periodically-Poled KTiOPO42007

    • Author(s)
      Y Takeno, M Yukawa, H. Yonezawa, and A Furusawa
    • Organizer
      CLEO/QELS 2007, QTuI2
    • Place of Presentation
      Baltimore
    • Year and Date
      2007-05-08
    • Related Report
      2008 Final Research Report
  • [Presentation] Teleporting Below the Vacuum-Noise Level: Non-Local Transfer of Squeezing and Entanglement2007

    • Author(s)
      H. Yonezawa, S.L. Braunstein, and A Furusawa
    • Organizer
      CLEO/QELS 2007
    • Place of Presentation
      Baltimore
    • Year and Date
      2007-05-08
    • Related Report
      2007 Annual Research Report
  • [Presentation] 9 dB Quadrature Squeezing at 860 nm with Periodically-Poled KTiOPO42007

    • Author(s)
      Y Takeno, M Yukawa, H Yonezawa, and A Furusawa
    • Organizer
      CLEO/QELS 2007
    • Place of Presentation
      Baltimore
    • Year and Date
      2007-05-08
    • Related Report
      2007 Annual Research Report
  • [Presentation] Quantum teleportation and relatedquantum information processing2007

    • Author(s)
      H. Yonezawa and A. Furusawa
    • Organizer
      Continuous Variable Quantum InformationProcessing workshop 2007
    • Place of Presentation
      St. Andrews
    • Year and Date
      2007-04-13
    • Related Report
      2008 Final Research Report
  • [Presentation] Quantum teleportation and related quantum information processing2007

    • Author(s)
      H. Yonezawa and A. Furusawa
    • Organizer
      Continuous Variable Quantum Information Processing workshop 2007
    • Place of Presentation
      St. Andrews
    • Year and Date
      2007-04-13
    • Related Report
      2007 Annual Research Report

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

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