• Search Research Projects
  • Search Researchers
  • How to Use
  1. Back to previous page

Optical spin manipulation of coupled quantum dots

Research Project

Project/Area Number 18360042
Research Category

Grant-in-Aid for Scientific Research (B)

Allocation TypeSingle-year Grants
Section一般
Research Field Applied optics/Quantum optical engineering
Research InstitutionWaseda University

Principal Investigator

TAKEUCHI Atsushi  Waseda University, 理工学術院, 教授 (80298140)

Project Period (FY) 2006 – 2008
Project Status Completed (Fiscal Year 2008)
Budget Amount *help
¥16,820,000 (Direct Cost: ¥15,500,000、Indirect Cost: ¥1,320,000)
Fiscal Year 2008: ¥2,860,000 (Direct Cost: ¥2,200,000、Indirect Cost: ¥660,000)
Fiscal Year 2007: ¥2,860,000 (Direct Cost: ¥2,200,000、Indirect Cost: ¥660,000)
Fiscal Year 2006: ¥11,100,000 (Direct Cost: ¥11,100,000)
Keywords光プロセシング / 量子ドット / スピントロニクス / スピン / 化合物半導体 / フォトルミネッセンス
Research Abstract

半導体量子ドットのスピンを光によって操作するには、高いスピン偏極率や、長いスピン緩和時間の実現が望まれる。本研究では、均一性が高い量子ドットの第二励起準位で、円偏光励起によって45%もの高いスピン偏極率の初期値が得られることを明らかにした。また、柱状の形状を持ち縦方向に量子力学的に結合したコラムナ量子ドットで、円偏光励起によって5.3 nsもの長いスピン緩和時間が得られることを明らかにした。

Report

(4 results)
  • 2008 Annual Research Report   Final Research Report ( PDF )
  • 2007 Annual Research Report
  • 2006 Annual Research Report
  • Research Products

    (77 results)

All 2009 2008 2007 2006

All Journal Article (22 results) (of which Peer Reviewed: 19 results) Presentation (55 results)

  • [Journal Article] Spin Relaxation in InAs Columnar Quantum Dots2009

    • Author(s)
      Takehiko Umi, Hidetaka Nosho, Shulong Lu, Lianhe Li, Andrea Fiore, Atsushi Tackeuchi
    • Journal Title

      Japanese Journal of Applied Physics 48

    • Related Report
      2008 Final Research Report
    • Peer Reviewed
  • [Journal Article] Spin Relaxation in InAs Columnar Quantum Dots2009

    • Author(s)
      Takehiko Umi, Atsushi Tackeuchi, et al
    • Journal Title

      Japanese Journal of Applied Physios 48

    • Related Report
      2008 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Generation of highly circularly polarized light from uniform InAs/GaAs quantum dots2008

    • Author(s)
      K. Kusunoki, N. Tsukiji, T. Umi, A. Tackeuchi, K. Yamaguchi
    • Journal Title

      physica status solidi c 5

      Pages: 378-381

    • Related Report
      2008 Final Research Report
    • Peer Reviewed
  • [Journal Article] Competition between quantum-confined Stark effect and free-carrier screening effect in AlGaN/GaN multiple quantum wells2008

    • Author(s)
      T. Fujita, T. Toizumi, Y. Nakazato, A. Tackeuchi, T. Chinone, J. H. Liang, M. Kajikawa
    • Journal Title

      physica status solidi c 5

      Pages: 356-359

    • Related Report
      2008 Final Research Report
    • Peer Reviewed
  • [Journal Article] Carrier spin relaxation in undoped GaAs double quantum wells2008

    • Author(s)
      S. L. Lu, T. Ushiyama, A. Tackeuchi, S. Muto
    • Journal Title

      physica status solidi(c) 5

      Pages: 326-329

    • Related Report
      2008 Final Research Report
    • Peer Reviewed
  • [Journal Article] Energy relaxation time of hot carriers photoexcited in InGaN2008

    • Author(s)
      T. Ushiyama, T. Toizumi, Y. Nakazato, A. Tackeuchi
    • Journal Title

      physica status solidi(c) 5

      Pages: 143-145

    • Related Report
      2008 Final Research Report
    • Peer Reviewed
  • [Journal Article] Carrier density dependence of nonresonant carrier tunneling in GaAs double quantum wells - effect of exciton and free carrier thermodynamic2008

    • Author(s)
      S. L. Lu, T. Ushiyama, A. Tackeuchi, S. Muto
    • Journal Title

      physica status solidi(c) 5

      Pages: 78-81

    • Related Report
      2008 Final Research Report
    • Peer Reviewed
  • [Journal Article] Carrier density dependence of nonresonant carrier tunneling in GaAs double quantum wells-effect of exciton and free carrier thermodynamic2008

    • Author(s)
      S.L.Lu, T.Ushiyama, A.Tackeuchi, et. al.
    • Journal Title

      physica status solidi(c) 5

      Pages: 78-81

    • Related Report
      2007 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Energy relaxation time of hot carriers Photoexcited in InGaN2008

    • Author(s)
      T.Ushiyama, T.Toizumi, Y.Nakazato, A.Tackeuchi
    • Journal Title

      physica status solidi(c) 5

      Pages: 143-145

    • Related Report
      2007 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Carrier spin relaxation in undoped GaAs double quantum wells2008

    • Author(s)
      S.L.Lu, T.Ushiyama, A.Tackeuchi, S.Muto
    • Journal Title

      physica status solidi(c) 5

      Pages: 326-329

    • Related Report
      2007 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Competition between quantum-confined Stark effect and free-carrier screening effect in AlGaN/GaN multiple quantum wells2008

    • Author(s)
      T.Fujita, T.Toizumi, Y.Nakazato, A.Tackeuchi, et. al.
    • Journal Title

      physica status solidi(c) 3

      Pages: 356-359

    • Related Report
      2007 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Generation of highly circularly polarized light from uniform InAs/GaAs quantum dots2008

    • Author(s)
      K.Kusunoki, N.Tsukiji, T.Umi, A.Tackeuchi, K.Yamaguchi
    • Journal Title

      physica status solidi(c) 5

      Pages: 378-381

    • Related Report
      2007 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Localized and free exciton spin relaxation dynamics inGalnNAs/GaAs quantum well2008

    • Author(s)
      S.L.Lu, et. al.
    • Journal Title

      Applied Physics Letters 92

      Pages: 51908-51908

    • Related Report
      2007 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Transition from Excitonic Tunneling to Free Carrier Tunneling in GaAs/AlGaAs Double Quantum Wells2007

    • Author(s)
      Shulong Lu, Takafumi Ushiyama, Taisuke Fujita, Koji Kusunoki, Atsushi Tackeuchi, and Shunichi Muto
    • Journal Title

      Jpn. J. Appl. Phys. 46

      Pages: 3305-3308

    • Related Report
      2008 Final Research Report
    • Peer Reviewed
  • [Journal Article] Picosecond spin relaxations of acceptor-bound exciton and A-band free exciton in wurtzite GaN2007

    • Author(s)
      A. Tackeuchi, H. Otake, T. Fujita, T. Kuroda, T. Chinone, J.-H. Liang, M. Kajikawa
    • Journal Title

      physica status solidi(c) 3

      Pages: 4303-4306

    • Related Report
      2008 Final Research Report
    • Peer Reviewed
  • [Journal Article] Picosecond spin relaxations of acceptor-bound exciton and A-band free excitonin wurtzite GaN2007

    • Author(s)
      A.Tackeuchi, H.Otake, et. al.
    • Journal Title

      physica status solidi(c) 3

      Pages: 4303-4306

    • Related Report
      2007 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Transition from Excitonic Tunneling to Free Carrier Tunneling in GaAs/AlGaAs Double Quantum Wells2007

    • Author(s)
      Shulong Lu, Takafumi Ushiyama, et. al.
    • Journal Title

      Jpn.J.Appl.Phys. 46

      Pages: 3305-3308

    • Related Report
      2007 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Picosecond spin relaxation of acceptor-bound exciton in wurtzite GaN2006

    • Author(s)
      H. Otake, T. Kuroda, T. Fujita, T. Ushiyama, A. Tackeuchi, T. Chinone, J.-H. Liang, M. Kajikawa
    • Journal Title

      Applied Physics Letters 89

      Pages: 182110-182110

    • Related Report
      2008 Final Research Report
    • Peer Reviewed
  • [Journal Article] Thermally activated carrier transfer among CdTe/ZnTe self-organized quantum dots2006

    • Author(s)
      Atsushi Tackeuchi, Shogo Miyata, Seiji Sugawa, Koji Kusunoki, Tae Whan Kim and Jae-Ho Kim, Hong Seok Lee, Hong Lee Park
    • Journal Title

      Applied Physics Letters 89

      Pages: 112125-112125

    • Related Report
      2008 Final Research Report
    • Peer Reviewed
  • [Journal Article] Thermally activated carrier transfer among CdTe/ZnTe self-organized quantum dots2006

    • Author(s)
      Atsushi Tackeuchi et al.
    • Journal Title

      Applied Physics Letters 89

      Pages: 112125-112125

    • Related Report
      2006 Annual Research Report
  • [Journal Article] Picosecond spin relaxation of acceptor-bound exciton in wurtzite GaN2006

    • Author(s)
      H.Otake et al.
    • Journal Title

      Applied Physics Letters 89

      Pages: 182110-182110

    • Related Report
      2006 Annual Research Report
  • [Journal Article] Picosecond spin relaxations of acceptor-bound exciton and A-band free exciton in wurtzite GaN2006

    • Author(s)
      A.Tackeuchi et al.
    • Journal Title

      phys. stat. sol. (c) 3

      Pages: 4303-4303

    • Related Report
      2006 Annual Research Report
  • [Presentation] GaN nanowiresの時間分解フォトルミネッセンス測定2009

    • Author(s)
      貫井貴夫, 藤田泰介, 中里嘉昭, 佐伯悠, 和泉壮太朗, 竹内淳, Yoo C.H., Kim T.W., Kwon Y.H., Ryu S.Y., Kang T.W.
    • Organizer
      第56回応用物理学関係連合講演会, 31p-ZJ-7
    • Place of Presentation
      筑波大学
    • Year and Date
      2009-03-31
    • Related Report
      2008 Final Research Report
  • [Presentation] GaN nanowiresの時間分解フォトルミネッセンス測定2009

    • Author(s)
      貫井貴夫, 他
    • Organizer
      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] バルクZnOのスピン緩和2009

    • Author(s)
      和泉壮太朗, 佐伯悠, 中里嘉昭, 貫井貴夫, 竹内淳, D. H. Kim, Tae Whan Kim
    • Organizer
      第56回応用物理学関係連合講演会, 30a-ZK-4
    • Place of Presentation
      筑波大学
    • Year and Date
      2009-03-30
    • Related Report
      2008 Final Research Report
  • [Presentation] 有機層中のZnOナノ粒子の時間分解フォトルミネッセンス2009

    • Author(s)
      佐伯悠, 中里嘉昭, 和泉壮太朗, 貫井貴夫, 竹内淳, Jae Hun Jung, J. H. You, Tae Whan Kim, Young-Ho Kim
    • Organizer
      第56回応用物理学関係連合講演会, 30a-ZK-3
    • Place of Presentation
      筑波大学
    • Year and Date
      2009-03-30
    • Related Report
      2008 Final Research Report
  • [Presentation] GaInNAs/GaAs量子井戸における励起子のスピン緩和の強度依存性2009

    • Author(s)
      納所秀宇, 宇美武彦, 浅見健志, 岡本隆仁, Shulong Lu, Lifeng Bian, Zhichuan Niu, 竹内淳
    • Organizer
      第56回応用物理学関係連合講演会, 30p-ZB-7
    • Place of Presentation
      筑波大学
    • Year and Date
      2009-03-30
    • Related Report
      2008 Final Research Report
  • [Presentation] バルクZnOのスピン緩和2009

    • Author(s)
      和泉壮太朗, 他
    • Organizer
      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
      2009-03-30
    • Related Report
      2008 Annual Research Report
  • [Presentation] GalnNAs/GaAs量子井戸における励起子のスピン緩和の強度依存性2009

    • Author(s)
      納所秀宇, 他
    • Organizer
      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
      2009-03-30
    • Related Report
      2008 Annual Research Report
  • [Presentation] Spin Relaxation in bulk ZnO2009

    • Author(s)
      S. Izumi, et al.
    • Organizer
      第13回 半導体スピン工学の基礎と応用
    • Place of Presentation
      東北大学
    • Year and Date
      2009-01-27
    • Related Report
      2008 Annual Research Report
  • [Presentation] InAsコラムナ量子ドットのスピン緩和2009

    • Author(s)
      納所秀宇, 他
    • Organizer
      第13回 半導体スピン工学の基礎と応用
    • Place of Presentation
      東北大学
    • Year and Date
      2009-01-27
    • Related Report
      2008 Annual Research Report
  • [Presentation] GaAs/AlGaAs二重量子井戸のスピン緩和2009

    • Author(s)
      佐伯悠, 他
    • Organizer
      第13回 半導体スピン工学の基礎と応用
    • Place of Presentation
      東北大学
    • Year and Date
      2009-01-27
    • Related Report
      2008 Annual Research Report
  • [Presentation] GaAs/AlGaAs二重量子井戸のスピン緩和2009

    • Author(s)
      佐伯悠, 中里嘉昭, 和泉壮太朗, 貫井貴夫, 竹内淳, 武藤俊一
    • Organizer
      第13回半導体スピン工学の基礎と応用
    • Place of Presentation
      東北大学
    • Related Report
      2008 Final Research Report
  • [Presentation] InAs コラムナ量子ドットのスピン緩和2009

    • Author(s)
      納所秀宇, 宇美武彦, Shulong Lu, Lianhe Li, Andrea Fiore, 竹内淳
    • Organizer
      第13回半導体スピン工学の基礎と応用
    • Place of Presentation
      東北大学
    • Related Report
      2008 Final Research Report
  • [Presentation] Spin Relaxation in bulk ZnO2009

    • Author(s)
      S. Izumi, Y. Saeki, Y. Nakazato, T. Nukui, A. Tackeuchi, D. H. Kim, and T. W. Kim
    • Organizer
      第13回半導体スピン工学の基礎と応用
    • Place of Presentation
      東北大学
    • Related Report
      2008 Final Research Report
  • [Presentation] Spin Relaxation in InAs Columnar Quantum Dots2008

    • Author(s)
      Takehiko Umi, et al.
    • Organizer
      2008 International Conference on Solid state Devices and Materials
    • Place of Presentation
      Tsukuba, Japan
    • Year and Date
      2008-09-25
    • Related Report
      2008 Annual Research Report
  • [Presentation] InAsコラムナ量子ドットにおけるスピン緩和時間の励起光強度依存性2008

    • Author(s)
      宇美武彦, Lianhe Li, 納所秀宇, 浅見健志, Shulong Lu, 竹内淳
    • Organizer
      第69回応用物理学会, 4p-ZQ-7
    • Place of Presentation
      中部大学
    • Year and Date
      2008-09-04
    • Related Report
      2008 Final Research Report
  • [Presentation] InAsコラムナ量子ドットにおけるスピン緩和時間の励起光強度依存性2008

    • Author(s)
      宇美武彦, 他
    • Organizer
      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] ZnOナノ粒子の発光のシュタルク効果とキャリアによるスクリーニング効果2008

    • Author(s)
      佐伯悠, 牛山隆文, 中里嘉昭, 和泉壮太朗, 竹内淳, Jae Hun Jung, Fushan Li, Tae Whan Kim, Young-Ho Kim
    • Organizer
      第69回応用物理学会, 3a-N-11
    • Place of Presentation
      中部大学
    • Year and Date
      2008-09-03
    • Related Report
      2008 Final Research Report
  • [Presentation] 高In組成InGaAs/GaAs量子井戸のスピン緩和2008

    • Author(s)
      納所秀宇, 浅見健志, 宇美武彦, Shulong Lu, Zhichuan Niu, 竹内淳
    • Organizer
      第69回応用物理学会, 3p-ZQ-3
    • Place of Presentation
      中部大学
    • Year and Date
      2008-09-03
    • Related Report
      2008 Final Research Report
  • [Presentation] 高In組成InGaAs/GaAs量子井戸のスピン緩和2008

    • Author(s)
      納所秀宇, 他
    • Organizer
      第69回応用物理学会学術講演会
    • Place of Presentation
      中部大学
    • Year and Date
      2008-09-03
    • Related Report
      2008 Annual Research Report
  • [Presentation] Time resolved studies of carrier and spin dynamics in quantum dots and wide band-gap materials2008

    • Author(s)
      Atsushi Tackeuchi
    • Organizer
      14th International symposium on the physics of semiconductors and applications
    • Place of Presentation
      Jeju, Korea.
    • Year and Date
      2008-08-27
    • Related Report
      2008 Annual Research Report
  • [Presentation] GaInNAs/GaAs量子井戸の発光特性2008

    • Author(s)
      Shulong Lu, 上杉征志, 納所秀宇, 竹内淳, Lifeng Bian, Zhichuan Niu
    • Organizer
      第55回応用物理学関係連合講演会, 29p-ZT-19
    • Place of Presentation
      日本大学
    • Year and Date
      2008-03-29
    • Related Report
      2008 Final Research Report
  • [Presentation] GaInNAs/GaAs量子井戸における励起子のスピン緩和現象2008

    • Author(s)
      Shulong Lu, 納所秀宇, 上杉征志, 竹内淳, Lifeng Bian, Zhichuan Niu
    • Organizer
      第55回応用物理学関係連合講演会, 29a-E-9
    • Place of Presentation
      日本大学
    • Year and Date
      2008-03-29
    • Related Report
      2008 Final Research Report
  • [Presentation] InAsコラムナ量子ドットの長時間スピン緩和2008

    • Author(s)
      宇美武彦, Lianhe Li, 納所秀宇, 赤坂義則, 楠紘慈, Shulong Lu, 竹内淳
    • Organizer
      第55回応用物理学関係連合講演会, 28p-E-7
    • Place of Presentation
      日本大学
    • Year and Date
      2008-03-29
    • Related Report
      2008 Final Research Report
  • [Presentation] Spin Relaxation in InAs Columnar Quantum Dots2008

    • Author(s)
      T. Umi, H. Nosho, T. Asami, S. Lu, L. Li, A. Fiore, A. Tackeuchi
    • Organizer
      2008 International Conference on Solid State Devices and Materials, P-12-7L
    • Place of Presentation
      Tsukuba, Japan
    • Related Report
      2008 Final Research Report
  • [Presentation] AlGaN/GaN 多重量子井戸の分光学的評価(2)2008

    • Author(s)
      中里嘉昭, 和泉壮太郎, 藤田泰介, 戸泉智勝, 松永康, 竹内淳, 千野根崇子, 梁吉鎬, 梶川政隆
    • Organizer
      第55回応用物理学関係連合講演会, 28p-B-19
    • Place of Presentation
      日本大学
    • Related Report
      2008 Final Research Report
  • [Presentation] Time resolved studies of carrier and spin dynamics in quantum dots and wide band-gap materials2008

    • Author(s)
      Atsushi Tackeuchi
    • Organizer
      14th International symposium on the physics of semiconductors and applications, SCS-I-01
    • Place of Presentation
      Jeju, Korea.(招待講演)
    • Related Report
      2008 Final Research Report
  • [Presentation] Picosecond spin relaxation of acceptor-bound exciton in wurtzite GaN2007

    • Author(s)
      Hirotaka Otake, Takamasa Kuroda and Atsushi Tackeuchi
    • Organizer
      The 7th Int'l Conference of Nitride Semiconductors
    • Place of Presentation
      Las Vegas
    • Year and Date
      2007-09-19
    • Related Report
      2007 Annual Research Report
  • [Presentation] 高均一InAs量子ドットの高スピン偏極発光 : スピンパウリブロッキングを含むレート方程式解析2007

    • Author(s)
      楠紘慈, 築地伸和, 宇美武彦, 山口浩一, 竹内淳
    • Organizer
      第68回応用物理学会, 6a-S-8
    • Place of Presentation
      北海道工業大学
    • Year and Date
      2007-09-06
    • Related Report
      2008 Final Research Report
  • [Presentation] AlGaN/GaN 多重量子井戸の分光学的評価2007

    • Author(s)
      中里嘉昭, 藤田泰介, 戸泉智勝, 竹内淳, 千野根崇子, 梁吉鎬, 梶川政隆
    • Organizer
      第68回応用物理学会, 6a-ZR-4
    • Place of Presentation
      北海道工業大学
    • Year and Date
      2007-09-06
    • Related Report
      2008 Final Research Report
  • [Presentation] 高均一InAs/GaAs量子ドットの第二励起準位のスピン緩和2007

    • Author(s)
      宇美武彦, 築地伸和, 楠紘慈, 山口浩一, 竹内淳
    • Organizer
      第68回応用物理学会, 6a-N-2
    • Place of Presentation
      北海道工業大学
    • Year and Date
      2007-09-06
    • Related Report
      2008 Final Research Report
  • [Presentation] 結合量子井戸のキャリアスピン緩和2007

    • Author(s)
      陸書龍, 牛山隆文, 竹内淳, 武藤俊一
    • Organizer
      第68回応用物理学会, 6a-N-23
    • Place of Presentation
      北海道工業大学
    • Year and Date
      2007-09-06
    • Related Report
      2008 Final Research Report
  • [Presentation] InGaNに光励起されたホットキャリアの緩和過程の観測II2007

    • Author(s)
      牛山隆文, 佐伯悠, 戸泉智勝, 中里嘉昭, 藤田泰介, 陸書龍, 竹内淳
    • Organizer
      第68回応用物理学会, 5a-ZR-1
    • Place of Presentation
      北海道工業大学
    • Year and Date
      2007-09-05
    • Related Report
      2008 Final Research Report
  • [Presentation] Competition between quantum-confined Stark effect and free-carrier screening effect in AlGaN/GaN multiple quantum wells2007

    • Author(s)
      T. Fujita, T. Toizumi, Y. Nakazato, A. Tackeuchi, et. al.
    • Organizer
      15th International Conference on Nonequilibrium Carrier Dynamics in Semiconductors
    • Place of Presentation
      University of Tokyo
    • Year and Date
      2007-07-25
    • Related Report
      2007 Annual Research Report
  • [Presentation] Energy relaxation time of hot carriers photoexcited in InCaN2007

    • Author(s)
      T. Ushiyama, T. Toizumi, Y. Nakazato, A. Tackeuchi
    • Organizer
      15th International Conference on Nonequilibrium Carrier Dynamics in Semiconductors
    • Place of Presentation
      University of Tokyo
    • Year and Date
      2007-07-24
    • Related Report
      2007 Annual Research Report
  • [Presentation] Carrier spin relaxation in undoped GaAs double quantum wells2007

    • Author(s)
      S.L. Lu, T. Ushiyama, A. Tackeuchi, S. Muto
    • Organizer
      15th International Conference on Nonequilibrium Carrier Dynamics in Semiconductors
    • Place of Presentation
      University of Tokyo
    • Year and Date
      2007-07-24
    • Related Report
      2007 Annual Research Report
  • [Presentation] Carrier density dependence of nonresonant carrier tunneling in GaAs double quantum wells-effect of exciton and free carrier thermodynamic2007

    • Author(s)
      S.L.Lu, T. Ushiyama, A.Tackeuchi, et. al.
    • Organizer
      15th International Conference on Nonequilibrium Carrier Dynamics in Semiconductors
    • Place of Presentation
      University of Tokyo
    • Year and Date
      2007-07-23
    • Related Report
      2007 Annual Research Report
  • [Presentation] Generation of highly circularly polarized light from uniform InAs/GaAs quantum dots2007

    • Author(s)
      K. Kusunoki, N. Tsukiji, T. Umi, A. Tackeuchi, K. Yamaguchi
    • Organizer
      15th International Conference on Nonequilibrium Carrier Dynamics in Semiconductors
    • Place of Presentation
      University of Tokyo
    • Year and Date
      2007-07-23
    • Related Report
      2007 Annual Research Report
  • [Presentation] 高均一InAs/GaAs量子ドットによる高スピン偏極円偏光の発生2007

    • Author(s)
      宇美武彦, 築地伸和, 楠紘慈, 山口浩一, 竹内淳
    • Organizer
      第54回応用物理学関係連合講演会, 30a-ZS-10
    • Place of Presentation
      青山学院大学
    • Year and Date
      2007-03-30
    • Related Report
      2008 Final Research Report
  • [Presentation] 結合量子井戸のトンネル時間のキャリア濃度依存性2007

    • Author(s)
      陸書龍, 牛山隆文, 藤田泰介, 楠紘慈, 竹内淳, 武藤俊一
    • Organizer
      第54回応用物理学関係連合講演会, 29a-T-1
    • Place of Presentation
      青山学院大学
    • Year and Date
      2007-03-29
    • Related Report
      2008 Final Research Report
  • [Presentation] 高均一InAs/GaAs量子ドットによる高スピン偏極円偏光の時間分解測定2007

    • Author(s)
      楠紘慈, 築地伸和, 宇美武彦, 山口浩一, 竹内淳
    • Organizer
      第54回応用物理学関係連合講演会, 29a-T-4
    • Place of Presentation
      青山学院大学
    • Year and Date
      2007-03-29
    • Related Report
      2008 Final Research Report
  • [Presentation] AlGaN/GaN MQWの発光のシュタルク効果とキャリアによるスクリーニング効果-励起光強度依存性のフィッティング-2007

    • Author(s)
      中里嘉昭, 藤田泰介, 戸泉智勝, 竹内淳, 千野根崇子, 梁 吉鎬, 梶川政隆
    • Organizer
      第54回応用物理学関係連合講演会, 28p-ZM-8
    • Place of Presentation
      青山学院大学
    • Year and Date
      2007-03-28
    • Related Report
      2008 Final Research Report
  • [Presentation] InGaNに光励起されたホットキャリアの緩和過程の観測2007

    • Author(s)
      牛山隆文, 戸泉智勝, 中里嘉昭, 竹内淳
    • Organizer
      第54回応用物理学関係連合講演会, 28p-ZM-11
    • Place of Presentation
      青山学院大学
    • Year and Date
      2007-03-28
    • Related Report
      2008 Final Research Report
  • [Presentation] AlGaN/GaN MQWの発光のシュタルク効果とキャリアによるスクリーニング効果-PL時間分解測定-2007

    • Author(s)
      藤田泰介, 戸泉智勝, 中里嘉昭, 竹内淳, 千野根崇子, 梁 吉鎬, 梶川政隆
    • Organizer
      第54回応用物理学関係連合講演会, 28p-ZM-7
    • Place of Presentation
      青山学院大学
    • Year and Date
      2007-03-28
    • Related Report
      2008 Final Research Report
  • [Presentation] Picosecond Excitonic Spin Relaxation in Hexagonal GaN and Nanosecond Excitonic Spin Relaxation in Cubic GaN2007

    • Author(s)
      Atsushi Tackeuchi, Hirotaka Otake, Taisuke Fujita, Takako Chinone, Ji-Hao Liang, Masataka Kajikawa, Fumiyoshi Takano, Hiro Akinaga
    • Organizer
      7th International Conference of Nitride Semiconductors, WP87
    • Place of Presentation
      Las Vegas, USA
    • Related Report
      2008 Final Research Report
  • [Presentation] Carrier Density Dependence of Nonresonant Carrier Tunneling in GaAs/AlGaAs Double Quantum Wellseffect of Exciton and Free Carrier Thermodynamic2007

    • Author(s)
      S. Lu, T. Ushiyama, A. Tackeuchi, S. Muto
    • Organizer
      15th International Conference on Nonequilibrium Carrier Dynamics in Semiconductors, MoP-13
    • Related Report
      2008 Final Research Report
  • [Presentation] Generation of Highly Circularly Polarized Light from Uniform InAs/GaAs Quantum Dots2007

    • Author(s)
      K. Kusunoki, T. Umi, A. Tackeuchi, N. Tsukiji, K. Yamaguchi
    • Organizer
      15th International Conference on Nonequilibrium Carrier Dynamics in Semiconductors, MoP-38
    • Related Report
      2008 Final Research Report
  • [Presentation] Energy Relaxation Time of Hot Carriers Photoexcited in InGaN2007

    • Author(s)
      T. Ushiyama, T. Toizumi, Y. Nakazato, A. Tackeuchi
    • Organizer
      15th International Conference on Nonequilibrium Carrier Dynamics in Semiconductors, TuP-26
    • Related Report
      2008 Final Research Report
  • [Presentation] Carrier Spin Relaxation in Undoped GaAs/AlGaAs Double Quantum Wells2007

    • Author(s)
      S. Lu, T. Ushiyama, A. Tackeuchi, S. Muto
    • Organizer
      15th International Conference on Nonequilibrium Carrier Dynamics in Semiconductors, TuP-36
    • Related Report
      2008 Final Research Report
  • [Presentation] Competition between Quantum-Confined Stark Effect and Free Carrier Screening Effect in AlGaN/GaN Multiple Quantum Well2007

    • Author(s)
      T. Fujita, T. Toizumi, Y. Nakazato, A. Tackeuchi, T. Chinone, J.H. Liang, M. Kajikawa
    • Organizer
      15th International Conference on Nonequilibrium Carrier Dynamics in Semiconductors, WeA-2
    • Related Report
      2008 Final Research Report
  • [Presentation] GaAs/AlGaAs結合量子井戸のトンネル時間の温度依存性2006

    • Author(s)
      陸書龍, 牛山隆文, 藤田泰介, 楠紘慈, 竹内淳
    • Organizer
      第67回応用物理学会, 31a-RE-9
    • Place of Presentation
      立命館大学
    • Year and Date
      2006-08-31
    • Related Report
      2008 Final Research Report
  • [Presentation] CdTe/ZnTe量子ドット中の熱活性キャリア移動2006

    • Author(s)
      楠紘慈, 宮田匠悟, 素川靖司, 竹内淳, Kim T. W., Kim J. H., Lee H. S., Park H. L.
    • Organizer
      第67回応用物理学会, 31p-RE-4
    • Place of Presentation
      立命館大学
    • Year and Date
      2006-08-31
    • Related Report
      2008 Final Research Report
  • [Presentation] 六方晶GaN中アクセプタ束縛励起子のスピン緩和時間の温度依存性2006

    • Author(s)
      藤田泰介, 大嶽浩隆, 中島壮人, 竹内淳
    • Organizer
      第67回応用物理学会, 30p-C-1
    • Place of Presentation
      立命館大学
    • Year and Date
      2006-08-30
    • Related Report
      2008 Final Research Report
  • [Presentation] InGaNに光励起されたホットキャリアの緩和過程2006

    • Author(s)
      牛山隆文, 藤田泰介, 陸書龍, 竹内淳
    • Organizer
      第67回応用物理学会, 30p-C-2
    • Place of Presentation
      立命館大学
    • Year and Date
      2006-08-30
    • Related Report
      2008 Final Research Report
  • [Presentation] Nanosecond excitonic spin relaxation in cubic GaN2006

    • Author(s)
      Atsushi Tackeuchi, Hirotaka Otake, Yusuke Ogawa, Takafumi Ushiyama, Taisuke Fujita, Fumiyoshi Takano, Hiro Akinaga
    • Organizer
      28th International Conference on the Physics of Semiconductors
    • Place of Presentation
      Vienna, Austria
    • Related Report
      2008 Final Research Report
  • [Presentation] Picosecond spin relaxation of acceptor-bound exciton in Wurtzite GaN2006

    • Author(s)
      Hirotaka Otake, Takamasa Kuroda, Atsushi Tackeuchi, Kazuyoshi Taniguchi, Takako Chinone, Ji-Hao Liang, Masataka Kajikawa, Naochika Horio
    • Organizer
      28th International Conference on the Physics of Semiconductors
    • Place of Presentation
      Vienna, Austria
    • Related Report
      2008 Final Research Report

URL: 

Published: 2006-04-01   Modified: 2016-04-21  

Information User Guide FAQ News Terms of Use Attribution of KAKENHI

Powered by NII kakenhi