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OHTANI Keita  大谷 啓太

ORCIDConnect your ORCID iD *help
Researcher Number 40333893
Affiliation (based on the past Project Information) *help 2007 – 2010: Tohoku University, 電気通信研究所, 助教
2002 – 2006: 東北大学, 電気通信研究所, 助手
Review Section/Research Field
Principal Investigator
Electronic materials/Electric materials / Electronic materials/Electric materials
Except Principal Investigator
Electronic materials/Electric materials / Science and Engineering / Applied materials science/Crystal engineering
Keywords
Principal Investigator
サブバンド / 中赤外 / 発光ダイオード / レーザ / 量子井戸 / 結晶成長 / 半導体物性 / 赤外材料・素子 / テラヘルツ / 超格子 … More / レーザー / InAs / II-VI族半導体 / フィルタ / 希薄磁性半導体 / 量子井戸構造 / スピン … More
Except Principal Investigator
AlSb / InAs / nuclear spin / 核スピン / テラヘルツ / 量子井戸 / Mid-infrared / THz / Intersubband transition / Quantum-cascade laser / 量子カスケードレーザ / 中赤外 / サブバンド間光学遷移 / 量子カスケードレーザー / Combinatorial / Optical Properties / Ceramics / Spintronics / Transistors / Oxide Semiconductors / Wide band gap Semiconductor / Crystals Engineerng / ワイドギャップ光学体 / コンビナトリアル / 光物性 / セラミックス / スピントロニクス / トランジスタ / 酸化物半導体 / ワイドギャップ半導体 / 結晶工学 / ferromagnet / nuclear magnetic resonance / spin injection / carrier-induced ferromagnetism / carrier spin / magnetic semiconductors / Spin coherence / 強磁性体 / 核スピン共鳴 / スピン注入 / キャリア誘起強磁性 / キャリアスピン / 磁性半導体 / スピンコヒーレンス / Faraday rotation / Gallium Arsenide / quantum well / precession / quantum computer / ファラデー回転 / GaAs / 歳差運動 / 量子コンピューター / 赤外材料・素子 / トンネル現象 / 量子エレクトロニクス / 光源技術 / 赤外線素子 / 高性能レーザ / MBE、エピタキシャル / サブバンド / テラヘルツ赤外材料・素子 / 高性能レーザー / MBE・エピタキシャル / 量子コンピュータ / スピンホール効果 / 顕微分光 / 核磁気共鳴 / 半導体スピントロニクス / スピン流 Less
  • Research Projects

    (9 results)
  • Research Products

    (74 results)
  • Co-Researchers

    (13 People)
  •  Opitical Control and Detection fo Nuclear Spin Dynamics in Semiconductor Quantum Structures

    • Principal Investigator
      OHNO Yuzo
    • Project Period (FY)
      2007 – 2010
    • Research Category
      Grant-in-Aid for Scientific Research on Priority Areas
    • Review Section
      Science and Engineering
    • Research Institution
      Tohoku University
  •  Control of carrier dimensionality in InAs quantum cascade lasers and its effect on laser characteristics

    • Principal Investigator
      OHNO Hideo
    • Project Period (FY)
      2007 – 2009
    • Research Category
      Grant-in-Aid for Scientific Research (A)
    • Research Field
      Electronic materials/Electric materials
    • Research Institution
      Tohoku University
  •  偏光制御可能な多重波長量子カスケードレーザーPrincipal Investigator

    • Principal Investigator
      大谷 啓太
    • Project Period (FY)
      2006 – 2007
    • Research Category
      Grant-in-Aid for Young Scientists (A)
    • Research Field
      Electronic materials/Electric materials
    • Research Institution
      Tohoku University
  •  Development of high-performance InAs quantum cascade lasers

    • Principal Investigator
      OHNO Hideo
    • Project Period (FY)
      2005 – 2006
    • Research Category
      Grant-in-Aid for Scientific Research (A)
    • Research Field
      Electronic materials/Electric materials
    • Research Institution
      Tohoku University
  •  ナロウギャップ半導体短波長量子カスケードレーザーPrincipal Investigator

    • Principal Investigator
      大谷 啓太
    • Project Period (FY)
      2004 – 2005
    • Research Category
      Grant-in-Aid for Young Scientists (A)
    • Research Field
      Electronic materials/Electric materials
    • Research Institution
      Tohoku University
  •  希薄磁性半導体量子構造スピン読み出し素子Principal Investigator

    • Principal Investigator
      大谷 啓太
    • Project Period (FY)
      2002
    • Research Category
      Grant-in-Aid for Exploratory Research
    • Research Field
      Electronic materials/Electric materials
    • Research Institution
      Tohoku University
  •  Application of all-optical nuclear magnetic resonance to quantum computing

    • Principal Investigator
      OHNO Yuzo
    • Project Period (FY)
      2002 – 2005
    • Research Category
      Grant-in-Aid for Scientific Research on Priority Areas
    • Review Section
      Science and Engineering
    • Research Institution
      Tohoku University
  •  Spin injection and spin control in magnetic/non-magnetic semiconductor quantum structures

    • Principal Investigator
      OHNO Yuzo
    • Project Period (FY)
      2002 – 2004
    • Research Category
      Grant-in-Aid for Scientific Research (A)
    • Research Field
      Applied materials science/Crystal engineering
    • Research Institution
      Tohoku University
  •  Exploration of photonic electronic magnetic and their mutual functionalities in non-equilibrium and transparent oxide thin films accelerated by parallel epitaxy

    • Principal Investigator
      KAWASAKI Masashi
    • Project Period (FY)
      2002 – 2006
    • Research Category
      Grant-in-Aid for Creative Scientific Research
    • Research Institution
      Tohoku University

All 2010 2009 2008 2007 2006 2005 2004 2003

All Journal Article Presentation Patent

  • [Journal Article] Intersubband optical transitions in ZnO-based quantum wells grown by plasma-assisted molecular beam epitaxy2009

    • Author(s)
      K. Ohtani, M. Belmoubarik, H. Ohno
    • Journal Title

      Journal of Crystal Growth Vol.311

      Pages: 2176-2176

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-19206033
  • [Journal Article] Thermally activated longitudinal optical phonon scattering of a 3.8 THz GaAs quantum cascade laser2009

    • Author(s)
      Tsung-Tse Lin, Keita Ohtani, Hideo Ohno
    • Journal Title

      Applied Physics Express Vol.2

      Pages: 22102-22102

    • NAID

      10025084510

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-19206033
  • [Journal Article] Intersubband optical transitions in ZnO-based quantum wells grown by plasma-assisted molecular beam epitaxy2009

    • Author(s)
      K.Ohtani, M.Belmoubarik, H.Ohno
    • Journal Title

      Journal of Crystal Growth 311

      Pages: 2176-2178

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-19206033
  • [Journal Article] Thermally activated longitudinal optical phonon scattering of a 3.8 THzGaAs quantum cascade laser2008

    • Author(s)
      Tsung-Tse Lin, Keita Ohtani, and Hideo Ohno
    • Journal Title

      Applied Physics Express 2

    • NAID

      10025084510

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-19206033
  • [Journal Article] 量子カスケードレーザー用材料2008

    • Author(s)
      大谷啓太、大野英男
    • Journal Title

      レーザー研究 36

      Pages: 70-74

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-18686028
  • [Journal Article] Intersubband transitions in ZnO quantum wells2008

    • Author(s)
      M. Belmoubarik, K. Ohtani, H. Ohno
    • Journal Title

      Applied Physics Letters Vol.92

      Pages: 191906-191906

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-19206033
  • [Journal Article] Intersubband transitions in ZnO multiple quantum wells2008

    • Author(s)
      M. Belmoubarik, K. Ohtani, and H. Ohno
    • Journal Title

      Applied Physics Letters 92

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-19206033
  • [Journal Article] Simultaneous lasing of interband and intersubband transitions in InAs/AlSb quantum cascade laser structures2008

    • Author(s)
      K. Ohtani, H. Ohnishi, H. Ohno
    • Journal Title

      Applied Physics Letters Vol.92

      Pages: 41102-41102

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-19206033
  • [Journal Article] Simultaneous lasing of interband and intersubband transitions in InAs/AlSb quantum cascade laser structures2008

    • Author(s)
      K. Ohtani, H. Ohnishi, and H. Ohno
    • Journal Title

      Applied Physics Letters 92

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-18686028
  • [Journal Article] Simultaneous lasing of interband and intersubband transitions in InAs/AlSb quantum cascade laser structures2008

    • Author(s)
      K. Ohtani, H. Ohnishi, and H. Ohno
    • Journal Title

      Applied Physics Letters Vol. 92

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-19206033
  • [Journal Article] Room-temperature InAs/AlSb quantum-cascade laser operating at 8.9 μm2007

    • Author(s)
      K.Ohtani, K.Fujita, H.Ohno
    • Journal Title

      Electronics Letters Vol. 49, No. 3

      Pages: 520-522

    • Data Source
      KAKENHI-PROJECT-17206029
  • [Journal Article] Room-temperature InAs/AlSb quantum-cascade laser operating at 8.9 μm2007

    • Author(s)
      K.Ohtani
    • Journal Title

      Electronics Letters Vol. 49、 No. 3

      Pages: 520-522

    • Description
      「研究成果報告書概要(和文)」より
    • Data Source
      KAKENHI-PROJECT-17206029
  • [Journal Article] Room-temperature InAs/AlSb quantum-cascade laser operating at 8.9 μm2007

    • Author(s)
      K.Ohtani, K.Fujita, H.Ohno
    • Journal Title

      Electronics Letters Vol.49,No.3

      Pages: 520-522

    • Data Source
      KAKENHI-PROJECT-18686028
  • [Journal Article] Room-temperature InAs/AlSb quantum cascade laser operating at 8.9 μm2007

    • Author(s)
      K.Ohtani
    • Journal Title

      Electronics Letters Vol.49, No.3

      Pages: 520-522

    • Description
      「研究成果報告書概要(欧文)」より
    • Data Source
      KAKENHI-PROJECT-17206029
  • [Journal Article] Above room-temperature operation of InAs/AlGaSb superlattice quantum cascade lasers operating at 12 μm2007

    • Author(s)
      K. Ohtani, Y. Moriyasu, H. Ohnishi, and H. Ohno
    • Journal Title

      Applied Physics Letters 90

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-18686028
  • [Journal Article] Sr_2TMO_3(TM=Ni,Co) compounds with ld TM-O chains2006

    • Author(s)
      M.Ohtani
    • Journal Title

      Adv.Mater. 18

      Pages: 2541-2544

    • Data Source
      KAKENHI-PROJECT-14GS0204
  • [Journal Article] Development of high-throughput combinatorial terahertz time-domain spectrometer and its application to ternary composition-spread film2006

    • Author(s)
      M. Ohtani
    • Journal Title

      Appl. Surf. Sci. 252

      Pages: 2622-2627

    • Description
      「研究成果報告書概要(欧文)」より
    • Data Source
      KAKENHI-PROJECT-14GS0204
  • [Journal Article] Sr_2TMO_3(TM = Ni, Co) compounds withid TM-O chains2006

    • Author(s)
      M. Ohtani
    • Journal Title

      Adv. Mater. 18

    • Description
      「研究成果報告書概要(欧文)」より
    • Data Source
      KAKENHI-PROJECT-14GS0204
  • [Journal Article] Development of high-throughput combinatorial terahertz time-domain spectrometer and its application to temary composition-spread film2006

    • Author(s)
      M.Ohtani
    • Journal Title

      Appl.Surf.Sci. 252・7

      Pages: 2622-2627

    • Data Source
      KAKENHI-PROJECT-14GS0204
  • [Journal Article] Sr_2TMO_3(TM=Ni,Co) compounds with 1d TM-O chains2006

    • Author(s)
      M.Ohtani
    • Journal Title

      Adv.Mater. 18

      Pages: 2541-2544

    • Description
      「研究成果報告書概要(和文)」より
    • Data Source
      KAKENHI-PROJECT-14GS0204
  • [Journal Article] Development of high-throughput combinatorial terahertz time-domain spectormeter and its application to ternary composition-spread film2006

    • Author(s)
      M.Ohtani
    • Journal Title

      Appl.Surf.Sci. 252

      Pages: 2622-2627

    • Description
      「研究成果報告書概要(和文)」より
    • Data Source
      KAKENHI-PROJECT-14GS0204
  • [Journal Article] Mid-infrared InAs/AlGaSb superlattice quantum cascade lasers2005

    • Author(s)
      K.Ohtani
    • Journal Title

      Applied Physics Letters Vol.87

    • Description
      「研究成果報告書概要(欧文)」より
    • Data Source
      KAKENHI-PROJECT-17206029
  • [Journal Article] Mid-infrared InAs/AlGaSb superlattice quantum cascade lasers2005

    • Author(s)
      K.Ohtani
    • Journal Title

      Applied Physics Letters Vol. 87

    • Description
      「研究成果報告書概要(和文)」より
    • Data Source
      KAKENHI-PROJECT-17206029
  • [Journal Article] InAs quantum cascade lasers based on coupled quantum well structures2005

    • Author(s)
      K.Ohtani, K.Fujita, H.Ohno
    • Journal Title

      Japanese Journal of Applied Physics 44

      Pages: 2572-2574

    • NAID

      10015704914

    • Data Source
      KAKENHI-PROJECT-17206029
  • [Journal Article] InAs Quantum Cascade Lasers Based on Coupled Quantum Well Structures2005

    • Author(s)
      K.Ohtani, K.Fujita, H.Ohno
    • Journal Title

      Jpn.J.Appl.Phys. (掲載決定)(印刷中)

    • NAID

      10015704914

    • Data Source
      KAKENHI-PROJECT-16686020
  • [Journal Article] Mid-infrared InAs/AlGaSb superlattice quantum cascade lasers2005

    • Author(s)
      K.Ohtani, K.Fujita, H.Ohno
    • Journal Title

      Applied Physics Letters 87

    • Data Source
      KAKENHI-PROJECT-17206029
  • [Journal Article] InAs quantum cascade lasers based on coupled quantum well structures2005

    • Author(s)
      K.Ohtani, K.Fujita, H.Ohno
    • Journal Title

      Japanese Journal of Applied Physics 44

      Pages: 2572-2574

    • NAID

      10015704914

    • Data Source
      KAKENHI-PROJECT-16686020
  • [Journal Article] InAs quantum cascade lasers based on coupled quantum well structures2005

    • Author(s)
      K.Ohtani
    • Journal Title

      Japanese Journal of Applied Physics Vol.44, No.4B

      Pages: 2572-2574

    • NAID

      10015704914

    • Description
      「研究成果報告書概要(欧文)」より
    • Data Source
      KAKENHI-PROJECT-17206029
  • [Journal Article] Mid-infrared InAs/AlGaSb superlattice quantum cascade lasers2005

    • Author(s)
      K.Ohtani, K.Fujita, H.Ohno
    • Journal Title

      Applied Physics Letters 87

    • Data Source
      KAKENHI-PROJECT-16686020
  • [Journal Article] High throughput oxide lattice engineering by parallel laser molecular-beam epitaxy and concurrent x-ray diffraction2005

    • Author(s)
      M.Ohtani
    • Journal Title

      Rev.Sci.Instrum. 76

    • Description
      「研究成果報告書概要(和文)」より
    • Data Source
      KAKENHI-PROJECT-14GS0204
  • [Journal Article] InAs quantum cascade lasers based on coupled quantum well structures2005

    • Author(s)
      K.Ohtani
    • Journal Title

      Japanese Journal of Applied Physics Vol. 44, No. 4B

      Pages: 2572-2574

    • NAID

      10015704914

    • Description
      「研究成果報告書概要(和文)」より
    • Data Source
      KAKENHI-PROJECT-17206029
  • [Journal Article] A Low Threshold Current Density InAs/AlGaSb Superlattice Quantum Cascade Laser Operating at 14μm2004

    • Author(s)
      K.Ohtani, K.Fujita, H.Ohno
    • Journal Title

      Jpn.J.Appl.Phys (Express Letters) 43,7A

    • NAID

      10013276870

    • Data Source
      KAKENHI-PROJECT-16686020
  • [Journal Article] A Low Threshold Current Density InAs/AlGaSb Superlattice Quantum Cascade Laser Operating at 14 um2004

    • Author(s)
      K.Ohtani, K.Fujita, H.Ohno
    • Journal Title

      Jpn.J.Appl.Phys Vol.43 Part 2, No.7A

    • Description
      「研究成果報告書概要(欧文)」より
    • Data Source
      KAKENHI-PROJECT-14205002
  • [Journal Article] A Low Threshold Current Density InAs/AlGaSb Superlattice Quantum Cascade Laser Operating at 14 um2004

    • Author(s)
      K.Ohtani
    • Journal Title

      Jpn.J.Appl.Phys. 43

    • Description
      「研究成果報告書概要(和文)」より
    • Data Source
      KAKENHI-PROJECT-14205002
  • [Journal Article] Drift Transport of Spin-Polarized Electrons in GaAs2003

    • Author(s)
      H.Sanada, I.Arata, Y.Ohno, K.Ohtani, Z.Chen, K.Kayanuma, Y.Oka, F.Matsukura, H.Ohno
    • Journal Title

      Journal of Superconductivity 16, Issue 1

      Pages: 217-219

    • Description
      「研究成果報告書概要(欧文)」より
    • Data Source
      KAKENHI-PROJECT-14205002
  • [Journal Article] Zincblende CrSb/GaAs multilayer structures with room-temperature ferromagnetism2003

    • Author(s)
      J.H.Zhao, F.Matsukura, K.Takamura, D.Chiba, Y.Ohno, K.Ohtani, H.Ohno
    • Journal Title

      Materials Science in Semiconductor Processing Vol.6

      Pages: 507-509

    • Description
      「研究成果報告書概要(欧文)」より
    • Data Source
      KAKENHI-PROJECT-14205002
  • [Journal Article] Drift Transport of Spin-Polarized Electrons in GaAs2003

    • Author(s)
      H.Sanada, I.Arata, Y.Ohno, K.Ohtani, Z.Chen, K.Kayanuma, Y.Oh, F.Matsukura, H.Ohno
    • Journal Title

      Journal of Superconductivity vol. 16, Issue 1

      Pages: 217-219

    • Description
      「研究成果報告書概要(欧文)」より
    • Data Source
      KAKENHI-PROJECT-14076203
  • [Patent] 量子カスケードレーザ2008

    • Inventor(s)
      森安嘉貴, 大野英男, 大谷啓太
    • Industrial Property Rights Holder
      旭化成エレクトロニクス (株)、東北大学
    • Filing Date
      2008-02-06
    • Data Source
      KAKENHI-PROJECT-19206033
  • [Patent] 量子カスケードレーザ2008

    • Inventor(s)
      森安嘉貴、大野英男、大谷啓太
    • Industrial Property Rights Holder
      森安嘉貴、大野英男、大谷啓太
    • Industrial Property Number
      2008-026653
    • Filing Date
      2008-02-06
    • Data Source
      KAKENHI-PROJECT-18686028
  • [Patent] 量子カスケードレーザ2008

    • Inventor(s)
      森安嘉貴、大野英男、大谷啓太
    • Industrial Property Rights Holder
      森安嘉貴、大野英男、大谷啓太
    • Industrial Property Number
      2008-026653
    • Filing Date
      2008-02-06
    • Data Source
      KAKENHI-PROJECT-19206033
  • [Patent] 量子カスケードレーザ2006

    • Inventor(s)
      森安嘉貴, 大野英男, 大谷啓太
    • Industrial Property Rights Holder
      森安嘉貴, 大野英男, 大谷啓太
    • Industrial Property Number
      2006-203239
    • Filing Date
      2006
    • Description
      「研究成果報告書概要(和文)」より
    • Data Source
      KAKENHI-PROJECT-17206029
  • [Patent] 量子カスケードレーザ2006

    • Inventor(s)
      森安嘉貴, 大野英男, 大谷啓太
    • Industrial Property Rights Holder
      森安嘉貴, 大野英男, 大谷啓太
    • Industrial Property Number
      2006-203239
    • Filing Date
      2006
    • Data Source
      KAKENHI-PROJECT-18686028
  • [Presentation] 金属導波路構造GaAsテラヘルツ量子カスケードレーザの発振特性2010

    • Author(s)
      大谷啓太, 林宗澤, 大野英男
    • Organizer
      応用物理学会テラヘルツ電磁渡技術研究会、電子情報通信学会エレクトロニクスソサイエティテラヘルツ応用システム時限研究会合同研究討論会
    • Place of Presentation
      秋保リゾート・ホテルクレセント、仙台
    • Data Source
      KAKENHI-PROJECT-19206033
  • [Presentation] 金属プラズモン導波路構造を有するテラヘルツ量子カスケードレーザ2010

    • Author(s)
      大谷啓太, 林宗澤, 大野英男
    • Organizer
      第57回応用物理学関係連合講演会
    • Place of Presentation
      東海大学、平塚
    • Data Source
      KAKENHI-PROJECT-19206033
  • [Presentation] 金属プラズモン導波路構造を有するテラヘルツ量子カスケードレーザ2010

    • Author(s)
      大谷啓太, 林宗澤, 大野英男
    • Organizer
      第57回応用物理学関係連合講演会
    • Place of Presentation
      東海大学湘南キャンパス
    • Data Source
      KAKENHI-PROJECT-19206033
  • [Presentation] 金属導波路構造GaAsテラヘルツ量子カスケードレーザの発振特性2010

    • Author(s)
      大谷啓太, 林宗澤, 大野英男
    • Organizer
      応用物理学会テラヘルツ電磁波技術研究会、電子情報通信学会エレクトロニクスソサイエティテラヘルツ応用システム時限研究会合同研究討論会、秋保リゾート・ホテルクレセント
    • Place of Presentation
      仙台
    • Data Source
      KAKENHI-PROJECT-19206033
  • [Presentation] Intersubband transitions in ZnO quantum wells2010

    • Author(s)
      K.Ohtani, M.Belmoubarik, H.Ohno
    • Organizer
      SPIE Photonics West
    • Place of Presentation
      San Francisco, California, USA
    • Data Source
      KAKENHI-PROJECT-19206033
  • [Presentation] Intersubband transitions in ZnO quantum wells2010

    • Author(s)
      K. Ohtani, M. Belmoubarik, H. Ohno
    • Organizer
      SPIE Photonics West, San Francisco
    • Place of Presentation
      California, USA
    • Data Source
      KAKENHI-PROJECT-19206033
  • [Presentation] InAs quantum cascade lasers : molecular beam epitaxy, current laser performance, and perspective2009

    • Author(s)
      K.Ohtani
    • Organizer
      14^<th> International Conference on Narrow Gap Semi conductors and Systems (NGS^2-14)
    • Place of Presentation
      Sendai, Japan
    • Data Source
      KAKENHI-PROJECT-19206033
  • [Presentation] Conduction to valence band offset ratio of ZnO/MgZnO quantum wells2009

    • Author(s)
      K. Ohtani, M. Belmoubarik, H. Ohno
    • Organizer
      The 10^<th> International Conference on Intersubband Transitions in Quantum Wells
    • Place of Presentation
      Montreal, Canada
    • Data Source
      KAKENHI-PROJECT-19206033
  • [Presentation] Fabrication and operation of a metal-metal waveguide GaAs terahertz quantum cascade laser2009

    • Author(s)
      T.T.Lin, K.Ohtani, H.Ohno
    • Organizer
      14th International Conference on Modulated Semiconductor Structures (MSS-14)
    • Place of Presentation
      Kobe, Japan
    • Data Source
      KAKENHI-PROJECT-19206033
  • [Presentation] Quantum cascade lasers2009

    • Author(s)
      K. Ohtani, H. Ohno
    • Organizer
      2^<nd> Japan/German Workshop "Nanolaser Based Optical Sensing"
    • Place of Presentation
      Tokyo, Japan
    • Year and Date
      2009-02-17
    • Data Source
      KAKENHI-PROJECT-19206033
  • [Presentation] Fabrication of Copper metal-metal THz waveguide by radio-frequency sputtering method2009

    • Author(s)
      K. Ohtani, T.-T. Lin, H. Ohno
    • Organizer
      The 10^<th> International Conference on Intersubband Transitions in Quantum Wells
    • Place of Presentation
      Montreal, Canada
    • Data Source
      KAKENHI-PROJECT-19206033
  • [Presentation] InAs quantum cascade lasers : molecular beam epitaxy, current laser performance, and perspective2009

    • Author(s)
      K. Ohtani
    • Organizer
      14^<th> International Conference on Narrow Gap Semiconductors and Systems (NGS^2-14)
    • Place of Presentation
      Sendai, Japan
    • Data Source
      KAKENHI-PROJECT-19206033
  • [Presentation] Fabrication of Cu-based metal-metal waveguide GaAs quantum cascade lasers2009

    • Author(s)
      Tsung-Tse Lin, Keita Ohtani, Hideo Ohno
    • Organizer
      2009年秋季第70回応用物理学会学術講演会
    • Place of Presentation
      富山大学
    • Data Source
      KAKENHI-PROJECT-19206033
  • [Presentation] Terahertz GaAs quantum cascade lasers2009

    • Author(s)
      K. Ohtani, T.-T. Lin, H. Ohno
    • Organizer
      2nd Sweden-Japan Terahertz Symposium
    • Place of Presentation
      Goteborg, Sweden
    • Data Source
      KAKENHI-PROJECT-19206033
  • [Presentation] Fabrication of Cu-based metal-metal waveguide GaAs quantum cascade lasers2009

    • Author(s)
      Tsung-Tse Lin, Keita Ohtani, Hideo Ohno
    • Organizer
      2009年秋季第70回応用物理学会学術講演会
    • Place of Presentation
      富山大学、富山
    • Data Source
      KAKENHI-PROJECT-19206033
  • [Presentation] Fabrication and operation of a metal-metal waveguide GaAs terahertz quantum cascade laser2009

    • Author(s)
      T. T. Lin, K. Ohtani, H. Ohno
    • Organizer
      14th International Conference on Modulated Semiconductor Structures (MSS-14)
    • Place of Presentation
      Kobe Japan
    • Data Source
      KAKENHI-PROJECT-19206033
  • [Presentation] Intersubband optical transitions in ZnO-based quantum wells grown by plasma-assisted molecular beam epitaxy2008

    • Author(s)
      K. Ohtani, M. Belmoubarik, H. Ohno
    • Organizer
      The 15th International Conference on Molecular Beam Epitaxy
    • Place of Presentation
      The University of British Columbia, Canada
    • Data Source
      KAKENHI-PROJECT-19206033
  • [Presentation] Development of mid-infrared and THz quantum cascade lasers at Tohoku University2008

    • Author(s)
      K. Ohtani, H. Ohno
    • Organizer
      International Symposium on Terahertz between Japan and Sweden
    • Data Source
      KAKENHI-PROJECT-19206033
  • [Presentation] Thermal property of an InAs/A1Sb quantum cascade laser2008

    • Author(s)
      Keita Ohtani and Hideo Ohno
    • Organizer
      International Quantum Cascade Lasers School & Workshop
    • Place of Presentation
      Monte Verita, Switzerland
    • Year and Date
      2008-09-17
    • Data Source
      KAKENHI-PROJECT-19206033
  • [Presentation] Development of mid-infrared and THz quantum cascade lasers at Tohoku University2008

    • Author(s)
      K. Ohtani and H. Ohno
    • Organizer
      International Symposium on Terahertz between Japan and Sweden
    • Place of Presentation
      Tokyo Metropolitan City Hall, Japan
    • Year and Date
      2008-05-28
    • Data Source
      KAKENHI-PROJECT-19206033
  • [Presentation] Temperature dependence of threshold current density of terahertz QCL : Comparison with mid-infrared QCL2008

    • Author(s)
      Tsung-Tse Lin, Keita Ohtani, Hideo Ohno
    • Organizer
      International Quantum Cascade Lasers School & Workshop
    • Place of Presentation
      Monte Verita, Switzerland
    • Data Source
      KAKENHI-PROJECT-19206033
  • [Presentation] Temperature dependence of threshold current density of terahertz QCL2008

    • Author(s)
      Tsung-Tse Lin, Keita Ohtani, Hideo Ohno
    • Organizer
      2008 International Conference on Solid State Devices and Materials
    • Place of Presentation
      Tsukuba International Congress Center, Japan
    • Data Source
      KAKENHI-PROJECT-19206033
  • [Presentation] Thermal property of an InAs/AlSb quantum cascade laser2008

    • Author(s)
      Keita Ohtani, Hideo Ohno
    • Organizer
      International Quantum Cascade Lasers School & Workshop
    • Place of Presentation
      Monte Verita,, Switzerland
    • Data Source
      KAKENHI-PROJECT-19206033
  • [Presentation] テラヘルツ量子カスケードレーザの現状と問題点2008

    • Author(s)
      大谷啓太
    • Organizer
      量子エレクトロクス研究会・テラヘルツ電磁波技術研究会合同研究会
    • Place of Presentation
      上智大学軽井沢セミナーハウス
    • Data Source
      KAKENHI-PROJECT-19206033
  • [Presentation] 分子線エピタキシによるテラヘルツGaAs量子カスケードレーザの成長2008

    • Author(s)
      大谷啓太, 林宗澤, 大野英男
    • Organizer
      第38回結晶成長国内学会
    • Place of Presentation
      仙台市戦災復興記念会館
    • Data Source
      KAKENHI-PROJECT-19206033
  • [Presentation] テラヘルツ量子カスケードレーザの現状と問題点(招待講演)2008

    • Author(s)
      大谷啓太
    • Organizer
      量子エレクトロクス研究会・テラヘルツ電磁波技術研究会合同研究会
    • Place of Presentation
      軽井沢
    • Year and Date
      2008-01-11
    • Data Source
      KAKENHI-PROJECT-19206033
  • [Presentation] 分子線エピタキシによるテラヘルツGaAs量子カスケードレーザの成長2008

    • Author(s)
      大谷啓太、林宗澤、大野英男
    • Organizer
      第38回結晶成長国内学会(NGCCG-38)
    • Place of Presentation
      仙台市戦災復興記念会館
    • Year and Date
      2008-11-05
    • Data Source
      KAKENHI-PROJECT-19206033
  • [Presentation] Temperature dependence of threshold current density of terahertz QCL : Comparison with mid-infrared QCL2008

    • Author(s)
      Tsung-Tse Lin, Keita Ohtani, Hideo Ohno
    • 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
    • Data Source
      KAKENHI-PROJECT-19206033
  • [Presentation] Temperature dependence of threshold current density of terahertz QCL: Comparison with mid-infrared QCL2008

    • Author(s)
      Tsung Tse Lin, Keita Ohtani, and Hideo Ohno
    • 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
    • Data Source
      KAKENHI-PROJECT-19206033
  • [Presentation] Photocurrent spectroscopy of InAs quantum-cascade laser structures2007

    • Author(s)
      K. Ohtani and H. Ohno
    • Organizer
      15th International Conference on Nonequilibrium Carrier Dynamics in Semiconductors
    • Place of Presentation
      Tokyo University, Tokyo
    • Year and Date
      2007-07-24
    • Data Source
      KAKENHI-PROJECT-18686028
  • [Presentation] Photocurrent spectroscopy of InAs quantum-cascade laser structures2007

    • Author(s)
      K. Ohtani and H. Ohno
    • Organizer
      15th International Conference on Nonequilibrium Carrier Dynamics in Semiconductors
    • Place of Presentation
      Tokyo University, Tokyo
    • Year and Date
      2007-07-24
    • Data Source
      KAKENHI-PROJECT-19206033
  • [Presentation] Photocurrent spectroscopy of InAs quantum-cascade laser structures2007

    • Author(s)
      K. Ohtani, H. Ohno
    • Organizer
      15^<th> International Conference on Nonequilibrium Carrier Dynamics in Semiconductors
    • Place of Presentation
      Tokyo, Japan
    • Data Source
      KAKENHI-PROJECT-19206033
  • 1.  MATSUKURA Fumihiro (50261574)
    # of Collaborated Projects: 4 results
    # of Collaborated Products: 0 results
  • 2.  OHNO Hideo (00152215)
    # of Collaborated Projects: 4 results
    # of Collaborated Products: 41 results
  • 3.  OHNO Yuzo (00282012)
    # of Collaborated Projects: 3 results
    # of Collaborated Products: 4 results
  • 4.  SATO Shigeo (10282013)
    # of Collaborated Projects: 2 results
    # of Collaborated Products: 0 results
  • 5.  KAWASAKI Masashi (90211862)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 0 results
  • 6.  KAWAZOE Yoshiyuki (30091672)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 0 results
  • 7.  FUKUMURA Tomoteru (90333880)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 0 results
  • 8.  OHTOMO Akira (10344722)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 0 results
  • 9.  阿藤 敏行 (40241567)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 0 results
  • 10.  LIN Tsung-tse
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 18 results
  • 11.  BELMOUBARIK Mohamed
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 8 results
  • 12.  SATO Hiroki
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 0 results
  • 13.  松倉 文ひろ
    # of Collaborated Projects: 0 results
    # of Collaborated Products: 3 results

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