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Yoshita Masahiro  吉田 正裕

… Alternative Names

YOSHITA Masahiro  吉田 正裕

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Researcher Number 30292759
Other IDs
  • ORCIDhttps://orcid.org/0000-0002-2297-5111
External Links
Affiliation (Current) 2025: 国立研究開発法人産業技術総合研究所, エネルギー・環境領域, 研究チーム長
Affiliation (based on the past Project Information) *help 2016: 国立研究開発法人産業技術総合研究所, 太陽光発電研究センター, 主任研究員
2011 – 2015: 東京大学, 物性研究所, 研究員
2010: 東京大学, 物性研究所, 助教
1997 – 2005: 東京大学, 物性研究所, 助手
Review Section/Research Field
Principal Investigator
Electronic materials/Electric materials / Optical engineering, Photon science / Electronic materials/Electric materials
Except Principal Investigator
Electronic materials/Electric materials / Electronic materials/Electric materials / Applied materials science/Crystal engineering / 物理学一般
Keywords
Principal Investigator
量子井戸 / 量子細線 / 顕微計測 / 超短光パルス / 半導体レーザ / 長短パルス / 光源技術 / 光学非線形効果 / 光エレクトロニクス / 超短パルス … More / 利得スイッチング動作 / 半導体レーザー / 原子平坦表面 / GaAs(110)面 / 半導体材料 / 表面・界面物性 / 結晶工学 / 原子平坦界面 / (110)GaAs / 成長中断アニール / 電子正孔プラズマ / 励起子 / GaAs(110) / へき開再成長 / キャリア拡散 / 局在状態 / 界面ゆらぎ / (110)GaAs量子井戸 / 変調反射分光 / 蛍光画像計測 / 顕微分光 / 面内閉じ込め / 界面ラフネス / (110)量子井戸 / T型量子細線 / 画像計測 … More
Except Principal Investigator
MBE / レーザー / 量子細線 / ソリッドイマージョンレンズ / GaAs / PL / 分子線エピタキシー / 電流注入 / 量子細線レーザー / へき開再成長 / 量子構造 / 顕微鏡 / 遷移確率 / 半導体ナノ構造 / 近接場 / 画像計測 / 顕微 / ナノ構造 / doping / one dimension / laser / T-shaped / quantum wires / current injection / 電子正孔系 / ドーピング / 一次元 / T型 / GzAs / electron-hole plasma / growth-interrupt anneal / cleaved-edge overgrowth / one-demensional exciton / quantum wire laser / quantum wire / 電子正孔プラズマ / 成長中断アニール / 1次元励起子 / Ultrashort time resolution spectroscopy / Blue luminescenece materials / Slo-gel silica glass / Ultraviolet sub-pico second laser / Nanocrystal / 紫外サブピコ秒パルス / 超高速分光 / 青色蛍光体 / ゾルゲルガラス / 紫外サブピコ秒レーザー / Laser / Microscopy / Semiconductor / Waveguide / Quantum confined structure / 半導体 / 導波路 / confinement energy / characterization / room temperature / 1D exciton / Quantum Wire / 発光デバイス / 束縛エネルギー / 横方向閉じ込め / 顕微分光 / 温度依存性 / 励起子 / 閉じ込めエネルギー / 品質評価 / 室温 / 一次元励起子 / 絶対感度 / 定量計測 / 光励起 / 低しきい値 / 薄膜・量子構造 / リッジ / 検出効率 / 分解能 / 色素ドープ微小球 / ガラス研磨 / 蛍光顕微鏡 / ソリッドイマージョン / リッジ型構造 / 拡散 / 量子井戸 / カリウムヒ素 / 近接場光 Less
  • Research Projects

    (14 results)
  • Research Products

    (129 results)
  • Co-Researchers

    (11 People)
  •  Study on optical short-pulse generation from intensely excited gain-switched semiconductor lasersPrincipal Investigator

    • Principal Investigator
      YOSHITA MASAHIRO
    • Project Period (FY)
      2014 – 2016
    • Research Category
      Grant-in-Aid for Scientific Research (C)
    • Research Field
      Optical engineering, Photon science
    • Research Institution
      National Institute of Advanced Industrial Science and Technology
      The University of Tokyo
  •  Formation of atomically flat GaAs(110) surfaces and step-edge dynamics of surface adatomsPrincipal Investigator

    • Principal Investigator
      YOSHITA Masahiro
    • Project Period (FY)
      2011 – 2013
    • Research Category
      Grant-in-Aid for Scientific Research (C)
    • Research Field
      Electronic materials/Electric materials
    • Research Institution
      The University of Tokyo
  •  Fabrication of low-threshold quantum-wire lasers and study on their lasing properties and physics

    • Principal Investigator
      AKIYAMA Hidefumi
    • Project Period (FY)
      2008 – 2010
    • Research Category
      Grant-in-Aid for Scientific Research (B)
    • Research Field
      Electronic materials/Electric materials
    • Research Institution
      The University of Tokyo
  •  Current-injection operation of quantum-wire lasers and verification of low threshold currents

    • Principal Investigator
      AKIYAMA Hidefumi
    • Project Period (FY)
      2004 – 2005
    • Research Category
      Grant-in-Aid for Scientific Research (B)
    • Research Field
      Electronic materials/Electric materials
    • Research Institution
      The University of Tokyo
  •  超平坦界面を有する半導体理想量子細線・井戸構造における励起子ダイナミクスの解明Principal Investigator

    • Principal Investigator
      吉田 正裕
    • Project Period (FY)
      2003 – 2004
    • Research Category
      Grant-in-Aid for Young Scientists (B)
    • Research Field
      Electronic materials/Electric materials
    • Research Institution
      The University of Tokyo
  •  Lasing mechanisms in high-quality T-shaped quantum-wire lasers

    • Principal Investigator
      AKIYAMA Hidefumi
    • Project Period (FY)
      2002 – 2003
    • Research Category
      Grant-in-Aid for Scientific Research (B)
    • Research Field
      Electronic materials/Electric materials
    • Research Institution
      The University of Tokyo
  •  Time resolution fluorescence spectroscopy of nano-crystalline blue luminescence materials by variable repetition ultravilolet sub-pico second laser

    • Principal Investigator
      BABA Motoyoshi
    • Project Period (FY)
      2000 – 2001
    • Research Category
      Grant-in-Aid for Scientific Research (C)
    • Research Field
      Applied materials science/Crystal engineering
    • Research Institution
      The University of Tokyo
  •  半導体リッジ型ナノ構造における近接場光の分布と光学遷移

    • Principal Investigator
      秋山 英文
    • Project Period (FY)
      1999
    • Research Category
      Grant-in-Aid for Scientific Research on Priority Areas (A)
    • Research Institution
      The University of Tokyo
  •  顕微反射・蛍光画像計測による面内閉じ込め構造の高空間分解評価Principal Investigator

    • Principal Investigator
      吉田 正裕
    • Project Period (FY)
      1999 – 2000
    • Research Category
      Grant-in-Aid for Encouragement of Young Scientists (A)
    • Research Field
      Electronic materials/Electric materials
    • Research Institution
      The University of Tokyo
  •  半導体リッジ型ナノ構造における近接場光の分布と光学遷移

    • Principal Investigator
      秋山 英文
    • Project Period (FY)
      1998
    • Research Category
      Grant-in-Aid for Scientific Research on Priority Areas (A)
    • Research Institution
      The University of Tokyo
  •  ソリッドイマージョン蛍光顕微画像計測法

    • Principal Investigator
      秋山 英文
    • Project Period (FY)
      1998
    • Research Category
      Grant-in-Aid for Exploratory Research
    • Research Field
      物理学一般
    • Research Institution
      The University of Tokyo
  •  Development of device structures with simultaneous optical and electronic confinement and microscopic transmission measurements on their lasing, absorption, and gain characteristics

    • Principal Investigator
      WATANABE Shuntaro, 秋山 英文
    • Project Period (FY)
      1998 – 2001
    • Research Category
      Grant-in-Aid for Scientific Research (B)
    • Research Field
      Electronic materials/Electric materials
    • Research Institution
      THE UNIVERSITY OF TOKYO
  •  半導体リッジ型ナノ構造における近接場光の分布と光学遷移

    • Principal Investigator
      AKIYAMA Hidefumi
    • Project Period (FY)
      1997
    • Research Category
      Grant-in-Aid for Scientific Research on Priority Areas
    • Research Institution
      The University of Tokyo
  •  Room-temperature device application of one- dimensional-exciton photo-emission in quantum wires

    • Principal Investigator
      AKIYAMA Hidefumi
    • Project Period (FY)
      1997 – 1999
    • Research Category
      Grant-in-Aid for Scientific Research (B)
    • Research Field
      Electronic materials/Electric materials
    • Research Institution
      The University of Tokyo

All 2017 2016 2015 2014 2013 2012 2011 2010 2009 2008 2006 2005 2004 2003 2002 Other

All Journal Article Presentation Book

  • [Book] Progress in Nano-Electro-Optics IV : Characterization of Nano-Optical Materials and Optical Near-Field Interactions (Ed.M.Ohtsu) Chap.2分担執筆2005

    • Author(s)
      M.Yoshita, H.Akiyama
    • Total Pages
      206
    • Publisher
      Springer
    • Data Source
      KAKENHI-PROJECT-15760216
  • [Journal Article] Solar-cell radiance standard for absolute electroluminescence measurements and open-circuit voltage mapping of silicon solar modules2016

    • Author(s)
      Toshimitsu Mochizuki, Changsu Kim, Masahiro Yoshita, Jonathon Mitchell, Zhu Lin, Shaoqiang Chen, Hidetaka Takato, Yoshihiko Kanemitsu, and Hidefumi Akiyama
    • Journal Title

      Journal of Applied Physics 119

      Volume: 119 Issue: 3 Pages: 034501-034501

    • DOI

      10.1063/1.4940159

    • Peer Reviewed / Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-14F04907, KAKENHI-PROJECT-15H03968, KAKENHI-PROJECT-26390075
  • [Journal Article] Characterizations of radiation damages in multi-junction solar cells focused on subcell internal luminescence quantum yields via absolute electroluminescence measurements2016

    • Author(s)
      Lin Zhu, Masahiro Yoshita, Shaoqiang Chen, Tetsuya Nakamura, Toshimitsu Mochizuki, Changsu Kim, Mitsuru Imaizumi, Yoshihiko Kanemitsu, Hidefumi Akiyama
    • Journal Title

      IEEE Journal of Photovoltaics

      Volume: 6 Issue: 3 Pages: 777-782

    • DOI

      10.1109/jphotov.2016.2540247

    • Peer Reviewed / Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-15H03968, KAKENHI-PROJECT-26390075
  • [Journal Article] Conversion Efficiency Limits and Bandgap Designs for Multi-Junction Solar Cells with Internal Radiative Efficiencies below Unity2016

    • Author(s)
      Lin Zhu, Toshimitsu Mochizuki, Masahiro Yoshita, Shaoqiang Chen, Changsu Kim, Hidefumi Akiyama and Yoshihiko Kanemitsu
    • Journal Title

      Optics Express 24

      Volume: 24 Issue: 10 Pages: A740-A740

    • DOI

      10.1364/oe.24.00a740

    • Peer Reviewed / Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-14F04907, KAKENHI-PROJECT-15H03968, KAKENHI-PROJECT-26390075
  • [Journal Article] Transient gain analysis of gain-switched semiconductor lasers during pulse lasing2015

    • Author(s)
      Shao-Qian Chen, Takashi Ito, Akifumi Asahara, Hidekazu Nakamae, Takahiro Nakamura, Masahiro Yoshita, Changsu Kim, Baoping Zhang, Hiroyuki Yokoyama, Tohru Suemoto, and Hidefumi Akiyama
    • Journal Title

      Applied Optics

      Volume: 54 Issue: 35 Pages: 10438-10442

    • DOI

      10.1364/ao.54.010438

    • Peer Reviewed / Acknowledgement Compliant / Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-26390075, KAKENHI-PROJECT-15J07733, KAKENHI-PROJECT-14F04907, KAKENHI-PROJECT-15H03968
  • [Journal Article] Direct generation of 2-ps blue pulses from gain-switched InGaN VCSEL assessed by up-conversion technique2014

    • Author(s)
      Akifumi Asahara, Shaoqiang Chen, Takashi Ito, Masahiro Yoshita, Wenjie Liu, Baoping Zhang, Tohru Suemoto, and Hidefumi Akiyama
    • Journal Title

      Scientific Reports

      Volume: 4 Issue: 1 Pages: 6401-6401

    • DOI

      10.1038/srep06401

    • Peer Reviewed / Acknowledgement Compliant / Open Access
    • Data Source
      KAKENHI-PROJECT-26390075, KAKENHI-PROJECT-26400324
  • [Journal Article] Gain switching of a double-core-waveguide semiconductor laser via traveling-wave optical pumping2014

    • Author(s)
      Hidekazu Nakamae, Takahiro Nakamura, Takashi Ito, Toshimitsu Mochizuki, Changsu Kim, Shaoqiang Chen, Masahiro Yoshita, and Hidefumi Akiyama
    • Journal Title

      Appl. Phys. Express

      Volume: 7 Issue: 6 Pages: 062701-062701

    • DOI

      10.7567/apex.7.062701

    • NAID

      210000137120

    • Peer Reviewed / Acknowledgement Compliant
    • Data Source
      KAKENHI-PROJECT-26390075
  • [Journal Article] Mode Imaging and Loss Evaluation of Semiconductor Waveguides2014

    • Author(s)
      Toshimitsu Mochizuki, Changsu Kim, Masahiro Yoshita, Takahiro Nakamura, Hidefumi Akiyama, Loren N. Pfeiffer, Ken W. West
    • Journal Title

      Review of Scientific Instruments

      Volume: 85 Issue: 5 Pages: 053109-053109

    • DOI

      10.1063/1.4879335

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-14F04907, KAKENHI-PROJECT-23560359, KAKENHI-PROJECT-26390075
  • [Journal Article] Intrinsic radiative lifetime derived via absorption cross section of one-dimensional excitons2013

    • Author(s)
      Shaoqiang Chen, Masahiro Yoshita, Akira Ishikawa, Toshimitsu Mochizuki, Shun Maruyama, Hidefumi Akiyama, Yuhei Hayamizu, Loren N. Pfeiffer, and Ken W. West
    • Journal Title

      Scientific Reports

      Volume: 3 Issue: 1 Pages: 1941-1941

    • DOI

      10.1038/srep01941

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-23360135, KAKENHI-PROJECT-23560359, KAKENHI-PROJECT-25706012
  • [Journal Article] Fluorescent Radiation Thermometry at Cryogenic Temperatures Based on Detailed Balance Relation2013

    • Author(s)
      Toshimitsu Mochizuki, Toshiyuki Ihara, Masahiro Yoshita, Shun Maruyama, Hidefumi Akiyama, Loren N. Pfeiffer, and Ken W. West
    • Journal Title

      Applied Physics Express

      Volume: 6 (5) Issue: 5 Pages: 56602-56602

    • DOI

      10.7567/apex.6.056602

    • NAID

      10031174346

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-23360135, KAKENHI-PROJECT-23560359
  • [Journal Article] Quantitative absorption spectra of quantum wires measured by analysis of attenuated internal emissions2012

    • Author(s)
      M. Yoshita, T. Okada, H. Akiyama, M. Okano, T. Ihara, L. N. Pfeiffer, and K. W. West
    • Journal Title

      Appl. Phys. Lett

      Volume: 100 Issue: 11 Pages: 112101-112101

    • DOI

      10.1063/1.3693401

    • Peer Reviewed
    • Data Source
      KAKENHI-PLANNED-20104004, KAKENHI-PROJECT-23360135, KAKENHI-PROJECT-23560359
  • [Journal Article] Quantitative absorption spectra ofquantum wires measured by analysis ofattenuated internal emissions2012

    • Author(s)
      Masahiro Yoshita, Takayuki Okada, Hidefumi Akiyama, Makoto Okano, ToshiyukiIhara, Loren N. Pfeiffer, Ken W. West
    • Journal Title

      Appl. Phys. Lett

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-20360135
  • [Journal Article] Applicability of continuum absorption in semiconductor quantum wells to absolute absorption-strength standards2012

    • Author(s)
      M. Yoshita, K. Kamide, H. Suzuura, and H. Akiyama
    • Journal Title

      Appl. Phys. Lett

      Volume: 101 Issue: 3 Pages: 32108-32108

    • DOI

      10.1063/1.4737900

    • Peer Reviewed
    • Data Source
      KAKENHI-PLANNED-20104004, KAKENHI-PROJECT-23360135, KAKENHI-PROJECT-23560359, KAKENHI-PLANNED-20104009
  • [Journal Article] Waveguide two-point differential-excitation method for quantitative absorption measurements of nanostructures2012

    • Author(s)
      Toshimitsu Mochizuki, Masahiro Yoshita, Shun Maruyama, Changsu Kim, Keisuke Fukuda, Hidefumi Akiyama, Loren N. Pfeiffer, Ken W. West
    • Journal Title

      Jpn. J. Appl. Phys

      Volume: 51 Issue: 10R Pages: 106601-106601

    • DOI

      10.1143/jjap.51.106601

    • NAID

      40019456415

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-23360135, KAKENHI-PROJECT-23560359, KAKENHI-PLANNED-20104004
  • [Journal Article] Coulomb-modulated gain spectra in current-injection T-shaped quantum-wire lasers2011

    • Author(s)
      M.Okano, M.Yoshita, H.Akiyama, P.Huai, T.Ogawa, L.N.Pfeiffer, K.W.West
    • Journal Title

      Phys.Status Solidi C

      Volume: 8 Pages: 20-23

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-20360135
  • [Journal Article] Robust carrier-induced suppressionof peak gain inherent to quantum-wirelasers2011

    • Author(s)
      M. Okano, P. Huai, M. Yoshita, S. Inada, H. Akiyama, K. Kamide, K. Asano, and T. Ogawa
    • Journal Title

      J. Phys. Soc. Jpn

      Volume: 80 Pages: 114716-114716

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-20360135
  • [Journal Article] T型GaAs量子細線の光学応答と動的相関効果2011

    • Author(s)
      秋山英文、吉田正裕
    • Journal Title

      固体物理

      Volume: 549 Pages: 747-756

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-20360135
  • [Journal Article] Coulomb-modulated gain spectra incurrent-injection T-shaped quantum-wirelasers2011

    • Author(s)
      M. Okano, M. Yoshita, H. Akiyama, P. Huai, T. Ogawa, L. N. Pfeiffer, and K. W. West
    • Journal Title

      Phys. Status Solidi C

      Volume: 8 Pages: 20-23

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-20360135
  • [Journal Article] Photoluminescence from singleisoelectronic traps in nitrogendelta-doped GaAs grown on GaAs(111) A2010

    • Author(s)
      T. Fukushima, Y. Hijikata, H. Yaguchi, S. Yoshida, M. Okano, M. Yoshita, H. Akiyama, S. Kuboya, R. Katayama, and K. Onabe
    • Journal Title

      Physica E 42

      Volume: 10 Pages: 2529-2531

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-20360135
  • [Journal Article] Photoluminescence from single isoelectronic traps in nitrogen delta-doped GaAs grown on GaAs(111)A2010

    • Author(s)
      T.Fukushima, Y.Hijikata, H.Yaguchi, S.Yoshida, M.Okano, M.Yoshita, H.Akiyama, S.Kuboya, R.Katayama, K.Onabe
    • Journal Title

      Physica E 42

      Volume: 10 Pages: 2529-2531

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-20360135
  • [Journal Article] Thermal-equilibrium relation between the optical emission and absorption spectra of doped semiconductor quantum well2009

    • Author(s)
      Toshiyuki Ihara, Shun Maruyama, Masahiro Yoshita, Hidefumi A kiyama, Loren N.Pfeiffer, Ken W.West
    • Journal Title

      Physical Review B 80

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-20360135
  • [Journal Article] Thermal-equilibrium relation between theoptical emission and absorption spectra ofa doped semiconductor quantum well2009

    • Author(s)
      Toshiyuki Ihara, Shun Maruyama, Masahiro Yoshita, Hidefumi Akiyama, Loren N. Pfeiffer, Ken W. West
    • Journal Title

      Phys. Rev. B

      Volume: 80 Pages: 33307-33307

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-20360135
  • [Journal Article] Micro-photoluminescence excitationspectroscopy on asymmetric absorptionline shapes of weakly localized excitonsin a quantum well2008

    • Author(s)
      Shun Maruyama, Toshiyuki Ihara, Hirotake Itoh, Masahiro Yoshita, Hidefumi Akiyama, Loren N. Pfeiffer and Ken W. West
    • Journal Title

      Solid State Communications

      Volume: 147 Pages: 114-117

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-20360135
  • [Journal Article] Currentinjection T-shaped quantum wire laserswith perpendicular doping layersoperating at 100K2008

    • Author(s)
      Makoto Okano, Shu-man Liu, Masahiro Yoshita, Hidefumi Akiyama, Loren N. Pfeiffer, and Ken W. West
    • Journal Title

      Physica E 40

      Volume: 6 Pages: 1947-1949

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-20360135
  • [Journal Article] Optical detection ofelectron-depletion region surroundingmetal electrodes on a dilutetwo-dimensional electron gas system2008

    • Author(s)
      Toshiyuki Ihara, Masahiro Yoshita, Hidefumi Akiyama, Loren N. Pfeiffer, and Ken W. West
    • Journal Title

      Jpn. J. Appl. Phys

      Volume: 47 Pages: 4496-4498

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-20360135
  • [Journal Article] Measurementsof Cavity-Length-Dependent Internal Differential Quantum Effciency andInternal Optical Loss in Laser Diodes2008

    • Author(s)
      Satoshi Inada, Masahiro Yoshita, Makoto Okano, Toshiyuki Ihara, Hidefumi Akiyama, and Liming Zhang
    • Journal Title

      J. Appl. Phys

      Volume: 47 Pages: 2288-2290

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-20360135
  • [Journal Article] Twin photoluminescence peaks from singleisoelectronic traps in nitrogenδ-dopedGaAs2008

    • Author(s)
      Y. Endo, Y. Hijikata, H. Yaguchi, S. Yoshida, M. Yoshita, H. Akiyama, F. Nakajima, R. Katayama and K. Onabe
    • Journal Title

      Physica E 40

      Volume: 6 Pages: 2110-2112

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-20360135
  • [Journal Article] "Carrier-Density-Dependent Increase and Suppression of Optical Gain in T-shaped Quantum-Wire Lasers"2008

    • Author(s)
      Masahiro Yoshita
    • Journal Title

      Physica Status Solidi (C) 5

      Pages: 2841-2843

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-20360135
  • [Journal Article] Carrier-Density-DependentIncrease and Suppression of Optical Gainin T-shaped Quantum-Wire Lasers2008

    • Author(s)
      Masahiro Yoshita, Makoto Okano, Toshiyuki Ihara, Hidefumi Akiyama, PingHuai, Tetsuo Ogawa, Loren N. Pfeiffer, and Ken W. West
    • Journal Title

      Physica Status Solidi(C)

      Volume: 5 Pages: 2841-2843

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-20360135
  • [Journal Article] Photo-induced improvement of radiative efficiency and structural changes in GaAsN alloys2006

    • Author(s)
      H.Yaguchi, T.Morioke, T.Aoki, H.Shimizu, Y.Hijikata, S.Yoshida, M.Yoshita, H.Akiyama, N.Usami, D.Aoki, K.Onabe
    • Journal Title

      Phys. Stat. Sol. (c) 3

      Pages: 1907-1910

    • Description
      「研究成果報告書概要(和文)」より
    • Data Source
      KAKENHI-PROJECT-16360148
  • [Journal Article] Exciton-plasma crossover with electron-hole density in T-shaped quantum wires studied by the photoluminescence spectrograph method2006

    • Author(s)
      Masahiro Yoshita, Yuhei Hayamizu, Hidefumi Akiyama, Loren N. Pfeiffer, Ken W. West
    • Journal Title

      Phys. Rev. B 74

      Pages: 165332-165332

    • Description
      「研究成果報告書概要(和文)」より
    • Data Source
      KAKENHI-PROJECT-16360148
  • [Journal Article] Collective and single-particle intersubband excitations in narrow quantum wells selected by infrared absorption and resonant Raman scattering2006

    • Author(s)
      T.Unuma, K.Kobayashi, A.Yamamoto, M.Yoshita, K.Hirakawa, Y.Hashimoto, S.Katsumoto, Y.Iye, Y.Kanemitsu, H.Akiyama
    • Journal Title

      Phys. Rev. B 74

      Pages: 195306-195306

    • Description
      「研究成果報告書概要(和文)」より
    • Data Source
      KAKENHI-PROJECT-16360148
  • [Journal Article] Photo-induced improvement of radiative efficiency and structural changes in GaAsN alloys2006

    • Author(s)
      H.Yaguchi, T.Morioke, T.Aoki, H.Shimizu, Y.Hijikata, S.Yoshida, M.Yoshita, H.Akiyama, N.Usami, D.Aoki, K.Onabe
    • Journal Title

      Phys.Stat.Sol.(c) 3

      Pages: 1907-1910

    • Description
      「研究成果報告書概要(欧文)」より
    • Data Source
      KAKENHI-PROJECT-16360148
  • [Journal Article] Exciton-plasma crossover with electron-hole density in T-shaped quantum wires studied by the photoluminescence spectrograph method2006

    • Author(s)
      Masahiro Yoshita, Yuhei Hayamizu, Hidefumi Akiyama, Loren N.Pfeiffer, Ken W.West
    • Journal Title

      Phys.Rev.B 74

      Pages: 165332-165332

    • Description
      「研究成果報告書概要(欧文)」より
    • Data Source
      KAKENHI-PROJECT-16360148
  • [Journal Article] Collective and single-particle intersubband excitations in narrow quantum wells selected by infrared absorption and resonant Raman scattering2006

    • Author(s)
      T.Unuma, K.Kobayashi, A.Yamamoto, M.Yoshita, K.Hirakawa, Y.Hashimoto, S.Katsumoto, Y.Iye, Y.Kanemitsu, H.Akiyama
    • Journal Title

      Phys.Rev.B 74

      Pages: 195306-195306

    • Description
      「研究成果報告書概要(欧文)」より
    • Data Source
      KAKENHI-PROJECT-16360148
  • [Journal Article] Photoluminescence excitation spectra of one-dimensional electron systems in an n-type doped quantum wire2005

    • Author(s)
      T.Ihara, Y.Hayamizu, M.Yoshita, H.Akiyama, L.N.Pfeiffer, K.W.West
    • Journal Title

      Proc.of 27th int.Conf.on Physics of Semiconductors 27(in press)

    • Description
      「研究成果報告書概要(和文)」より
    • Data Source
      KAKENHI-PROJECT-14350159
  • [Journal Article] Improvement of interface quality in cleaved-edge-overgrowth GaAs quantum wires based on micro-optical characterization2005

    • Author(s)
      M.Yoshita, H.Akiyama
    • Journal Title

      Progress in Nano Electro-Optics IV, Characterization of Nano-Optical Materials and Optical Near-Field Interactions, Springer Series in Optical Sciences 109

      Pages: 43-82

    • Description
      「研究成果報告書概要(和文)」より
    • Data Source
      KAKENHI-PROJECT-16360148
  • [Journal Article] Crossover from excitons to an electron-hole plasma in a high-quality single T -shaped quantum wire2005

    • Author(s)
      M.Yoshita, Y.Hayamizu, H.Akiyama, L.N.Pfeiffer, K.W.West
    • Journal Title

      Proc.of 27th Int.Conf.on Physics of Semiconductors 27(in press)

    • Description
      「研究成果報告書概要(和文)」より
    • Data Source
      KAKENHI-PROJECT-14350159
  • [Journal Article] Room-temperature excitonic absorption in quantum wires2005

    • Author(s)
      Yasushi Takahashi, Yuhei Hayamizu, Hirotake Itoh, Masahiro Yoshita, Hidefumi Akiyama, L.N.Pfeiffer, Ken W.West
    • Journal Title

      Appl.Phys.Lett. 87

      Pages: 223119-223119

    • Data Source
      KAKENHI-PROJECT-16360148
  • [Journal Article] Optical gain spectra due to a one-dimensional electron-hole plasma in a quantum wire laser2005

    • Author(s)
      Y.Hayamizu, M.Yoshita, H.Itoh, H.Akiyama, L.N.Pfeiffer, K.W.West
    • Journal Title

      Proc.of 27th Int.Conf.on Physics of Semiconductors 27(in press)

    • Description
      「研究成果報告書概要(和文)」より
    • Data Source
      KAKENHI-PROJECT-14350159
  • [Journal Article] Strong photo-absorption by a single quantum wire in waveguide-transmission spectroscopy2005

    • Author(s)
      Y.Takahashi, Y.Hayamizu, H.Itoh, M.Yoshita, H.Akiyama, L.N.Pfeiffer, K.W.West
    • Journal Title

      Appl. Phys. Lett. 86

      Pages: 243101-243101

    • Description
      「研究成果報告書概要(和文)」より
    • Data Source
      KAKENHI-PROJECT-16360148
  • [Journal Article] Room-temperature excitonic absorption in quantum wires2005

    • Author(s)
      Yasushi Takahashi, Yuhei Hayamizu, Hirotake Itoh, Masahiro Yoshita, Hidefumi Akiyama, Loren N. Pfeiffer, Ken W. West
    • Journal Title

      Appl.Phys.Lett. 87

      Pages: 223119-223119

    • Description
      「研究成果報告書概要(欧文)」より
    • Data Source
      KAKENHI-PROJECT-16360148
  • [Journal Article] Improvement of interface quality in cleaved-edge-overgrowth GaAs quantum wires based on micro-optical characterization2005

    • Author(s)
      M.Yoshita, H.Akiyama
    • Journal Title

      Progress in Nano Electro-Optics IV, Characterization of Nano-Optical Materials and Optical Near-Field Interactions (edited by M.Ohtsu)(Springer Series in Optical Sciences) Vol.109

      Pages: 43-82

    • Description
      「研究成果報告書概要(欧文)」より
    • Data Source
      KAKENHI-PROJECT-16360148
  • [Journal Article] Strong photo-absorption by a single quantum wire in waveguide-transmission spectroscopy2005

    • Author(s)
      Yasushi Takahashi, Yuhei Hayamizu, Hirotake Itoh, Masahiro Yoshita, Hidefumi Akiyama, Loren N. Pfeiffer, Ken W. West
    • Journal Title

      Appl.Phys.Lett. 86

      Pages: 243101-243101

    • Description
      「研究成果報告書概要(欧文)」より
    • Data Source
      KAKENHI-PROJECT-16360148
  • [Journal Article] Room-temperature excitonic absorption in quantum wires2005

    • Author(s)
      Y.Takahashi, Y.Hayamizu, H.Itoh, M.Yoshita, H.Akiyama, L.N.Pfeiffer, K.W.West
    • Journal Title

      Appl. Phys. Lett. 87

      Pages: 223119-223119

    • Description
      「研究成果報告書概要(和文)」より
    • Data Source
      KAKENHI-PROJECT-16360148
  • [Journal Article] Improvement of interface quality in cleaved-edge-overgrowth GaAs quantum wires based on micro-optical characterization2005

    • Author(s)
      M.Yoshita, H.Akiyama
    • Journal Title

      Springer Series in Optical Sciences(Progress in Nano Electro-Optics IV, Characterization of Nano-Optical Materials and Optical Near-Field Interactions)(edited by M.Ohtsu) Vol.109

      Pages: 43-82

    • Data Source
      KAKENHI-PROJECT-16360148
  • [Journal Article] Strong photo-absorption by a single quantum wire in waveguide-transmission spectroscopy2005

    • Author(s)
      Yasushi Takahashi, Yuhei Hayamizu, Hirotake Itoh, Masahiro Yoshita, Hidefumi Akiyama, L.N.Pfeiffer, Ken W.West
    • Journal Title

      Appl.Phys.Lett. 86

      Pages: 243101-243101

    • Data Source
      KAKENHI-PROJECT-16360148
  • [Journal Article] Carrier diffusion on atomically flat (110) GaAs quantum wells2004

    • Author(s)
      J-W.Oh, M.Yoshita, H.Itoh, H.Akiyama, L.N.Pfeiffer, K.W.West
    • Journal Title

      Physica E 21・2-4

      Pages: 689-692

    • Data Source
      KAKENHI-PROJECT-15760216
  • [Journal Article] One-dimensional excitonic states and lasing in highly uniform quantum wires formed by cleaved-edge overgrowth with growth-interrupt anneal2004

    • Author(s)
      H.Akiyama, M.Yoshita, L.N.Pfeiffer, K.W.West
    • Journal Title

      J.Phys.Condensed Matter 16

    • Data Source
      KAKENHI-PROJECT-16360148
  • [Journal Article] Carrier Diffusion on Atomically Flat (110) GaAs Quantum Wells2004

    • Author(s)
      J.W.Oh, M.Yoshita, H.Itoh, H.Akiyama, L.N.Pfeiffer, K.W.West
    • Journal Title

      Physica E 21

      Pages: 689-691

    • Description
      「研究成果報告書概要(欧文)」より
    • Data Source
      KAKENHI-PROJECT-16360148
  • [Journal Article] Carrier Diffusion on Atomically Flat (110) GaAs Quantum Wells2004

    • Author(s)
      J.W.Oh, M.Yoshita, H.Itoh, H.Akiyama, L.N.Pfeiffer, K.W.West
    • Journal Title

      Physica E 21 21

      Pages: 689-691

    • Description
      「研究成果報告書概要(和文)」より
    • Data Source
      KAKENHI-PROJECT-16360148
  • [Journal Article] Intersubband electronic Raman scattering in narrow GaAs single quantum wells dominated by single-particle excitations2004

    • Author(s)
      T.Unuma, K.Kobayashi, A.Yamamoto, M.Yoshita, Y.Hashimoto, S.Katsumoto, Y.Iye, Y.Kanemitsu, H.Akiyama
    • Journal Title

      Phys. Rev. B 70

      Pages: 153305-153305

    • Description
      「研究成果報告書概要(和文)」より
    • Data Source
      KAKENHI-PROJECT-16360148
  • [Journal Article] Fabrication and microscopic characterization of a single quantum wire laser with high uniformity2004

    • Author(s)
      M.Yoshita, Y.Hayamizu, H.Akiyama, L.N.Pfeiffer, K.W.West
    • Journal Title

      Physica E 21

      Pages: 230-235

    • Description
      「研究成果報告書概要(欧文)」より
    • Data Source
      KAKENHI-PROJECT-16360148
  • [Journal Article] Formation mechanisms of monolayer pits having characteristic step-edge shapes on annealed GaAs (110) surfaces2004

    • Author(s)
      A.Ishii, T.Aisaka, J-W Oh, M.Yoshita, H.Akiyama, L.N.Pfeiffer, K.W.West
    • Journal Title

      Thin Solid Films 464-465

      Pages: 38-41

    • Description
      「研究成果報告書概要(和文)」より
    • Data Source
      KAKENHI-PROJECT-14350159
  • [Journal Article] Fabrication and microscopic characterization of a single quantum wire Laser with high uniformity2004

    • Author(s)
      M.Yoshita, Y.Hayamizu, H.Akiyama, L.N.Pfeiffer, K.W.West
    • Journal Title

      Physica E 21・2-4

      Pages: 230-235

    • Data Source
      KAKENHI-PROJECT-15760216
  • [Journal Article] Carrier Diffusion on Atomically Flat (110) GaAs Quantum Wells2004

    • Author(s)
      J.W.Oh, M.Yoshita, H.Itoh, H.Akiyama, L.N.Pfeiffer, K.W.West
    • Journal Title

      Physica E. 21

      Pages: 689-691

    • Description
      「研究成果報告書概要(和文)」より
    • Data Source
      KAKENHI-PROJECT-14350159
  • [Journal Article] One-dimensional excitonic states and lasing in highly uniform quantum wires formed by cleaved-edge overgrowth with growth-interrupt anneal2004

    • Author(s)
      H.Akiyama, M.Yoshita, L.N.Pfeiffer, K.W.West
    • Journal Title

      J.Phys.Condensed Matter 16・35

    • Data Source
      KAKENHI-PROJECT-15760216
  • [Journal Article] Fabrication and microscopic characterization of a single quantum wire laser with high uniformity2004

    • Author(s)
      M.Yoshita, Y.Hayamizu, H.Akiyama, L.H.Pfeiffer, K.W.West
    • Journal Title

      Physica E 21

      Pages: 230-235

    • Description
      「研究成果報告書概要(和文)」より
    • Data Source
      KAKENHI-PROJECT-16360148
  • [Journal Article] Intersubband electronic Raman scattering in narrow GaAs single quantum wells dominated by single-particle excitations2004

    • Author(s)
      T.Unuma, K.Kobayashi, A.Yamamoto, M.Yoshita, Y.Hashimoto, S.Katsumoto, Y.Iye, Y.Kanemitsu, H Akiyama
    • Journal Title

      Phys.Rev.B 70

      Pages: 153305-153305

    • Description
      「研究成果報告書概要(和文)」より
    • Data Source
      KAKENHI-PROJECT-14350159
  • [Journal Article] Intersubband electronic Raman scattering in narrow GaAs single quantum wells dominated by single-particle excitations2004

    • Author(s)
      T.Unuma, K.Kobayashi, A.Yamamoto, M.Yoshita, Y.Hashimoto, S.Katsumoto, Y.Iye, Y.Kanemitsu, H.Akiyama
    • Journal Title

      Phys.Rev.B 70

      Pages: 153305-153305

    • Description
      「研究成果報告書概要(欧文)」より
    • Data Source
      KAKENHI-PROJECT-16360148
  • [Journal Article] One-dimensional excitonic states and lasing in highly uniform quantum wires formed by cleaved-edge overgrowth with growth-interrupt anneal2004

    • Author(s)
      H.Akiyama, M.Yoshita, L.N.Pfeiffer, K.W.West
    • Journal Title

      J. Phys. Condensed Matter 16

    • Description
      「研究成果報告書概要(和文)」より
    • Data Source
      KAKENHI-PROJECT-16360148
  • [Journal Article] One-dimensional excitonic states and lasing in highly uniform quantum wires formed by cleaved-edge overgrowth with growth-interrupt anneal2004

    • Author(s)
      H.Akiyama, M.Yoshita, L.N, Pfeiffer, K.W.West
    • Journal Title

      J.Phys.Condensed Matter 16

    • Description
      「研究成果報告書概要(欧文)」より
    • Data Source
      KAKENHI-PROJECT-16360148
  • [Journal Article] Fabrication and microscopic characterization of a single quantum wire laser with high uniformity2004

    • Author(s)
      M.Yoshita, et al.
    • Journal Title

      Physica E 21

      Pages: 230-235

    • Description
      「研究成果報告書概要(欧文)」より
    • Data Source
      KAKENHI-PROJECT-14350159
  • [Journal Article] Micro-photoluminescence characterization of local electronic states in a (110) GaAs quantum well fabricated by cleaved-edge overgrowth2004

    • Author(s)
      J-W Oh, M.Yoshita, Y.Hayamizu, H.Akiyama, L.N.Pfeifter, K.W.West
    • Journal Title

      J.Appl.Phys 96

      Pages: 6370-6374

    • Description
      「研究成果報告書概要(和文)」より
    • Data Source
      KAKENHI-PROJECT-14350159
  • [Journal Article] Formation mechanisms of monolayer pits having characteristic step-edge shapes on annealed GaAs (110) surfaces2004

    • Author(s)
      Akira Ishii, T.Aisaka, J-W Oh, M.Yoshita, H.Akiyama, L.N.Pfeiffer, K.W.West
    • Journal Title

      Thin Solid Films 464-465

      Pages: 38-41

    • Description
      「研究成果報告書概要(和文)」より
    • Data Source
      KAKENHI-PROJECT-16360148
  • [Journal Article] Fabrication and microscopic characterization of a single quantum wire laser with high uniformity2004

    • Author(s)
      M.Yoshita, Y.Hayamizu, H.Akiyama, L.N.Pfeiffer, K.W.West
    • Journal Title

      Physica E 21

      Pages: 230-235

    • Description
      「研究成果報告書概要(和文)」より
    • Data Source
      KAKENHI-PROJECT-14350159
  • [Journal Article] Micro-photoluminescence characterization of local electronic states in a (110) GaAs quantum well fabricated by cleaved-edge overgrowth2004

    • Author(s)
      J-W Oh, M.Yoshita, Y.Hayamizu, H.Akiyama, L.N.Pfeiffer, K.W.West
    • Journal Title

      J. Appl. Phys. 96

      Pages: 6370-6374

    • Description
      「研究成果報告書概要(和文)」より
    • Data Source
      KAKENHI-PROJECT-16360148
  • [Journal Article] Micro-photoluminescence characterization of local electronic states in a (110) GaAs quantum well fabricated by cleaved-edge overgrowth2004

    • Author(s)
      J-W Oh, M.Yoshita, Y.Hayamizu, H.Akiyama, L.N.Pfeiffer, K.W.West
    • Journal Title

      J.Appl.Phys. 96

      Pages: 6370-6374

    • Description
      「研究成果報告書概要(欧文)」より
    • Data Source
      KAKENHI-PROJECT-16360148
  • [Journal Article] Fabrication of Thin Films Using a Soluble Metal Phthalocyanine Salt and Their Photoconductive Properties2003

    • Author(s)
      M.Matsuda, S.Ikeda, N.Hanasaki, M.Yoshita, H.Tajima
    • Journal Title

      Chemistry Letters 32No.2

      Pages: 130-131

    • Description
      「研究成果報告書概要(和文)」より
    • Data Source
      KAKENHI-PROJECT-14350159
  • [Journal Article] Quantum wire lasers with high uniformity formed by cleaved-edge overgrowth with growth-interrupt anneal2003

    • Author(s)
      H.Akiyama, M.Yoshita, L.N.Pfeiffer, K.W.West
    • Journal Title

      Solid State Communications 127

      Pages: 63-68

    • Description
      「研究成果報告書概要(和文)」より
    • Data Source
      KAKENHI-PROJECT-14350159
  • [Journal Article] Low and anisotropic barrier energy for adatom migration on a GaAs (110) surface studied by first-principles calculations2003

    • Author(s)
      A.Ishii, T.Aisaka, J-W Oh, M.Yoshita, H.Akiyama
    • Journal Title

      Appl.Phys.Lett 83

      Pages: 4187-4189

    • Description
      「研究成果報告書概要(和文)」より
    • Data Source
      KAKENHI-PROJECT-14350159
  • [Journal Article] Imaging of emission patterns in a T-shaped quantum wire laser2003

    • Author(s)
      Y.Takahashi, S.Watanabe, M.Yoshita, H.Itoh, Y.Hayamizu, H.Akiyama 他
    • Journal Title

      Appl.Phys.Lett 83

      Pages: 4089-4091

    • Description
      「研究成果報告書概要(和文)」より
    • Data Source
      KAKENHI-PROJECT-14350159
  • [Journal Article] Control of MBE surface step-edge kinetics to make an atomically smooth quantum well2003

    • Author(s)
      M.Yoshita, et al.
    • Journal Title

      J.Cryst.Growth 251

      Pages: 62-67

    • Description
      「研究成果報告書概要(欧文)」より
    • Data Source
      KAKENHI-PROJECT-14350159
  • [Journal Article] Vertically polarized lasing and photoluminescence in a ridge quantum-wire laser2003

    • Author(s)
      S.Watanabe, S.Koshiba, M.Yoshita, M.Baba H.Sakaki, H.Akiyama
    • Journal Title

      Phys.Rev.B 68

      Pages: 193304-193304

    • Description
      「研究成果報告書概要(和文)」より
    • Data Source
      KAKENHI-PROJECT-14350159
  • [Journal Article] Polarization-dependent photoluminescence-excitation spectra of one-dimensional exciton and continuum states in T-shaped quantum wires2003

    • Author(s)
      H.Itoh, Y.Hayamizu, M.Yoshita, H.Akiyama, L.N.Pfeiffer 他
    • Journal Title

      Appl.Phys.Lett. 83

      Pages: 2043-2045

    • Description
      「研究成果報告書概要(和文)」より
    • Data Source
      KAKENHI-PROJECT-14350159
  • [Journal Article] Control of MBE surface step-edge kinetics to make an atomically smooth quantum well2003

    • Author(s)
      M.Yoshita, J.W.Oh, H.Akiyama, L.N.Pfeiffer, K.W.West
    • Journal Title

      J.Cryst.Growth. 251

      Pages: 62-67

    • Description
      「研究成果報告書概要(和文)」より
    • Data Source
      KAKENHI-PROJECT-14350159
  • [Journal Article] Fourier imaging study of efficient near-field optical coupling in solid immersion fluorescence microscopy2002

    • Author(s)
      Masahiro Yoshita, et al.
    • Journal Title

      J.Appl.Phys. 92

      Pages: 862-865

    • Description
      「研究成果報告書概要(和文)」より
    • Data Source
      KAKENHI-PROJECT-14350159
  • [Journal Article] Quantum wells with atomically smooth interfaces2002

    • Author(s)
      Masahiro Yoshita, et al.
    • Journal Title

      Applied Physics Letters 81

      Pages: 49-51

    • Description
      「研究成果報告書概要(和文)」より
    • Data Source
      KAKENHI-PROJECT-14350159
  • [Journal Article] Improved high collection efficiency in fluorescence microscopy with a Weierstrass-sphere solid immersion lens2002

    • Author(s)
      Masahiro Yoshita, et al.
    • Journal Title

      Jpn.J.Appl.Phys. Part 2, 41

    • Description
      「研究成果報告書概要(欧文)」より
    • Data Source
      KAKENHI-PROJECT-14350159
  • [Journal Article] Improved high collection efficiency in fluorescence microscopy with a Weierstrass-sphere solid immersion lens2002

    • Author(s)
      Masahiro Yoshita, et al.
    • Journal Title

      Jpn.J.Appl.Phys., Part 2 41

    • Description
      「研究成果報告書概要(和文)」より
    • Data Source
      KAKENHI-PROJECT-14350159
  • [Journal Article] Crossover from excitons to an electron-hole plasma in a high-quality single T-shaped quantum wire

    • Author(s)
      M.Yoshita, et al.
    • Journal Title

      Proc.of 27th Int.Conf.on Physics of Semiconductors (in press)

    • Description
      「研究成果報告書概要(欧文)」より
    • Data Source
      KAKENHI-PROJECT-14350159
  • [Presentation] 利得スイッチ半導体レーザーの短パルス発生限界2017

    • Author(s)
      伊藤隆, 中前秀一, 挾間優治, 中村考宏, 金昌秀, 小林洋平, 吉田正裕, 秋山英文
    • Organizer
      レーザー学会
    • Place of Presentation
      徳島大学常三島キャンパス(徳島市)
    • Year and Date
      2017-01-07
    • Invited
    • Data Source
      KAKENHI-PROJECT-26390075
  • [Presentation] 利得スイッチ半導体レーザーパルスのファイバーアンプによる増幅2016

    • Author(s)
      中前秀一, 伊藤隆, 中村考宏, 挾間優治, 金昌秀, 吉田正裕, 秋山英文, 小林洋平, 横山弘之
    • Organizer
      日本物理学会
    • Place of Presentation
      東北学院大学泉キャンパス(宮城県仙台市)
    • Year and Date
      2016-03-19
    • Data Source
      KAKENHI-PROJECT-26390075
  • [Presentation] 多接合太陽電池エレクトロルミネッセンス定量計測の測定精度評価2016

    • Author(s)
      吉田 正裕、朱 琳、金 昌秀、久保田 英博、中村 徹哉、今泉 充、金光 義彦、秋山 英文
    • Organizer
      応用物理学会
    • Place of Presentation
      東京工業大学大岡山キャンパス(東京都目黒区)
    • Year and Date
      2016-03-19
    • Data Source
      KAKENHI-PROJECT-26390075
  • [Presentation] マルチセクション半導体レーザーにおける利得と吸収の非線形競合による短パルス光発生2016

    • Author(s)
      中村考宏, 伊藤隆, 中前秀一, 金昌秀, 挾間優治, 吉田正裕, 大里啓孝, 秋山英文, Peter Vasil'ev
    • Organizer
      日本物理学会
    • Place of Presentation
      東北学院大学泉キャンパス(宮城県仙台市)
    • Year and Date
      2016-03-19
    • Data Source
      KAKENHI-PROJECT-26390075
  • [Presentation] Diagnosis of GaInAs multiple-quantum-well solar cells with Bragg reflectors via absolute electroluminescence2016

    • Author(s)
      Lin Zhu, Masahiro Yoshita, JiaLing Tsai, YiChin Wang, Changsu Kim, Peichen Yu, Hidefumi Akiyama
    • Organizer
      The 43rd IEEE Photovoltaic Specialists Conference (PVSC-43)
    • Place of Presentation
      the Oregon Convention Center, Portland, Oregon, USA
    • Year and Date
      2016-06-05
    • Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-26390075
  • [Presentation] Accuracy Evaluations for Standardization of Multi-Junction Solar-Cell Characterizations via Absolute Electroluminescence2016

    • Author(s)
      Masahiro Yoshita, Lin Zhu, Changsu Kim, Hidehiro Kubota, Tetsuya Nakamura, Mitsuru Imaizumi, Yoshihiko Kanemitsu, and Hidefumi Akiyama
    • Organizer
      The 43rd IEEE Photovoltaic Specialists Conference (PVSC-43)
    • Place of Presentation
      the Oregon Convention Center, Portland, Oregon, USA
    • Year and Date
      2016-06-05
    • Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-26390075
  • [Presentation] Calibration standards and measurement accuracy of absolute electroluminescence and internal properties in multi-junction and arrayed solar cells2016

    • Author(s)
      Masahiro Yoshita, Lin Zhu, Changsu Kim, Toshimitsu Mochizuki, Tetsuya Nakamura, Mitsuru Imaizumi, Shaoqiang Chen, Hidehiro Kubota, Yoshihiko Kanemitsu, and Hidefumi Akiyama
    • Organizer
      SPIE Photonics West 2016
    • Place of Presentation
      The Moscone Center, San Francisco, CA, USA
    • Year and Date
      2016-02-13
    • Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-26390075
  • [Presentation] Current leakage and fill factor in multi-junction solar cells linked via absolute electroluminescence characterization2016

    • Author(s)
      Lin Zhu, Masahiro Yoshita, Tetsuya Nakamura, Toshimitsu Mochizuki, Changsu Kim, Mitsuru Imaizumi, Yoshihiko Kanemitsu, Hidefumi Akiyama
    • Organizer
      The 43rd IEEE Photovoltaic Specialists Conference (PVSC-43)
    • Place of Presentation
      the Oregon Convention Center, Portland, Oregon, USA
    • Year and Date
      2016-06-05
    • Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-26390075
  • [Presentation] マルチセクション半導体レーザーの作製評価と光短パルス発生2015

    • Author(s)
      中村考宏,伊藤隆,中前秀一,金昌秀,挾間優治,吉田正裕,大里啓孝,秋山英文,Peter Vasil'ev
    • Organizer
      日本物理学会
    • Place of Presentation
      関西大学千里山キャンパス(大阪府吹田市)
    • Year and Date
      2015-09-16
    • Data Source
      KAKENHI-PROJECT-26390075
  • [Presentation] 利得スイッチ半導体レーザーにおけるフェムト秒パルス発生のメカニズム2015

    • Author(s)
      伊藤隆,中前秀一,中村考宏,挾間優治,金昌秀,小林洋平,吉田正裕,秋山英文
    • Organizer
      日本物理学会
    • Place of Presentation
      関西大学千里山キャンパス(大阪府吹田市)
    • Year and Date
      2015-09-16
    • Data Source
      KAKENHI-PROJECT-26390075
  • [Presentation] 利得スイッチ半導体レーザーをシード光に用いた強励起での時間分解分光2015

    • Author(s)
      中前秀一,伊藤隆,中村考宏,狭間優治,金昌秀,吉田正裕,秋山英文,小林洋平,横山弘之
    • Organizer
      日本物理学会
    • Place of Presentation
      関西大学千里山キャンパス(大阪府吹田市)
    • Year and Date
      2015-09-16
    • Data Source
      KAKENHI-PROJECT-26390075
  • [Presentation] 多接合太陽電池のエレクトロルミネッセンス絶対光量画像計測II2015

    • Author(s)
      吉田正裕,朱琳,金昌秀,秋山英文,陳少強,望月敏光,久保田英博, 中村徹哉,今泉充,金光義彦
    • Organizer
      応用物理学会
    • Place of Presentation
      名古屋国際会議場(愛知県名古屋市)
    • Year and Date
      2015-09-13
    • Data Source
      KAKENHI-PROJECT-26390075
  • [Presentation] Absolute Electroluminescence Imaging of Multi-Junction Solar Cells and Calibration Standards2015

    • Author(s)
      Masahiro Yoshita, Lin Zhu, Changsu Kim, Hidefumi Akiyama, Shaoqiang Chen, Toshimitsu Mochizuki, Hidehiro Kubota, Tetsuya Nakamura, Mitsuru Imaizumi, Yoshihiko Kanemitsu
    • Organizer
      The 42nd IEEE Photovoltaic Specialists Conference (PVSC-42)
    • Place of Presentation
      the Hyatt Regency New Orleans, New Orleans, LA, USA
    • Year and Date
      2015-06-14
    • Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-26390075
  • [Presentation] 利得スイッチ半導体レーザーによるフェムト秒パルス発生と評価2015

    • Author(s)
      伊藤隆、中前秀一、中村考宏、挾間優治、金昌秀、小林洋平、吉田正裕、秋山英文
    • Organizer
      応用物理学会
    • Place of Presentation
      名古屋国際会議場(愛知県名古屋市)
    • Year and Date
      2015-09-13
    • Data Source
      KAKENHI-PROJECT-26390075
  • [Presentation] Room Temperature Waveguide Mode Evaluation of the Semiconductor Quantum Well Laser by the Point Excitation Hakki-Paoli Method2011

    • Author(s)
      KIM changsu, MOCHIZUKI Toshimitsu, YOSHITA Masahiro, CHEN Shaoqiang, AKIYAMA Hidefumi, PFEIFFER Loren N.1, WEST Ken W.1
    • Organizer
      Ep-I-036、Applied Physics Division、The Korean Physical Society
    • Place of Presentation
      Daejeon Convention Center, Daejoen, South Korea
    • Data Source
      KAKENHI-PROJECT-20360135
  • [Presentation] 共鳴・非共鳴励起条件下における非ドープGaAs量子井戸の発光減衰2011

    • Author(s)
      丸山俊, 陳少強, 吉田正裕, 望月敏光, 秋山英文, Loren N.Pfeiffer, Ken W.West
    • Organizer
      日本物理学会第66回年次大会
    • Place of Presentation
      新潟大学五十嵐キャンパス
    • Data Source
      KAKENHI-PROJECT-20360135
  • [Presentation] GaAs(110)基板上に作製した窒素δドープGaAsにおける等電子トラップからの発光特性評価2011

    • Author(s)
      高宮健吾, 福島俊之, 星野真也, 八木修平, 土方泰斗, 望月敏光, 吉田正裕, 秋山英文, 窪谷茂幸, 片山竜二, 尾鍋研太郎, 矢口裕之
    • Organizer
      2011年春季第58回応用物理学関係連合講演会
    • Place of Presentation
      神奈川工科大学
    • Data Source
      KAKENHI-PROJECT-20360135
  • [Presentation] Short pulse generation by gain switching in InGaAs QW ridge Laser under optical pumping2011

    • Author(s)
      Shaoqiang Chen, Masahiro Yoshita, Toshimitsu Mochizuki, Hidefumi Akiyama, Hiroyuki Yokoyama
    • Organizer
      日本物理学会第66回年次大会
    • Place of Presentation
      新潟大学五十嵐キャンパス
    • Data Source
      KAKENHI-PROJECT-20360135
  • [Presentation] 非ドープ及びnドープT型量子細線レーザーにおける発振及び利得特性の温度変化2011

    • Author(s)
      福田圭介, 吉田正裕, 望月敏光, 秋山英文, 岡野真人, Ping Huai, 浅野健一, 小川哲生, Loren N.Pfeiffer, Ken W.West
    • Organizer
      日本物理学会第66回年次大会
    • Place of Presentation
      新潟大学五十嵐キャンパス
    • Data Source
      KAKENHI-PROJECT-20360135
  • [Presentation] 半導体量子細線における-次元電子正孔光学利得の静的遮蔽相互作用形状依存性2011

    • Author(s)
      吉田正裕, 岡野真人, 秋山英文, 懐平, 小川哲生
    • Organizer
      日本物理学会第66回年次大会
    • Place of Presentation
      新潟大学五十嵐キャンパス
    • Data Source
      KAKENHI-PROJECT-20360135
  • [Presentation] T-shaped GaAs/AlGaAs Single Quantum Wire Laser by Arm-arm Current-Injection2011

    • Author(s)
      KIM Changsu, OKANO Makoto1, MOCHIZUKI Toshimitsu, YOSHITA Masahiro, CHEN Shaoqiang, AKIYAMA Hidefumi, PFEIFFER Loren N., WEST Ken W.
    • Organizer
      Kp-I-021、Semiconductor Physics Divsion、The Korean Physical Society
    • Place of Presentation
      Daejeon Convention Center, Daejoen, South Korea
    • Data Source
      KAKENHI-PROJECT-20360135
  • [Presentation] Microscopic study on carrier-density-dependent gain characteristics in cleaved-edge overgrown T-shaped quantum-wire lasers2011

    • Author(s)
      M. Yoshita, et al
    • Organizer
      The 15th International Conference on Modulated Semiconductor structures (MSS-15)
    • Place of Presentation
      Tallahassee, Florida, USA(We-P-99)
    • Year and Date
      2011-07-27
    • Data Source
      KAKENHI-PROJECT-23560359
  • [Presentation] 様々な面方位基板上に作製した窒素δドープGaAs中の等電トラップからの発光(III)2010

    • Author(s)
      福島俊之, 高宮健吾, 土方泰斗, 矢口裕之, 吉田貞史, 岡野真人, 吉田正裕, 秋山英文, 窪谷茂幸, 尾鍋研太郎, 片山竜二
    • Organizer
      2010年春季第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-20360135
  • [Presentation] T型量子細線の光吸収計測と一次元励起子線幅の温度依存性2010

    • Author(s)
      吉田正裕, 岡野真人, 秋山英文, Loren Pfeiffer, ken West
    • Organizer
      日本物理学会第65回年次大会
    • Place of Presentation
      岡山大学津島キャンパス
    • Data Source
      KAKENHI-PROJECT-20360135
  • [Presentation] Coulomb-modulated gain spectra in current-injection T-shaped quantum-wire lasers2010

    • Author(s)
      M.Okano, M.Yoshita, H.Akiyama, L.N.Pfeiffer, K.W.West
    • Organizer
      The 9th International Conference on Excitonic and Photonic Processes in Condensed and Nano Materials
    • Place of Presentation
      Brisbane, Australia
    • Data Source
      KAKENHI-PROJECT-20360135
  • [Presentation] Micro-photoluminescence and lasing characterizations of high-quality 100-period T-shaped quantum-wire lasers2010

    • Author(s)
      Shaoqiang Chen, Toshimitsu Mochizuki, Masahiro Yoshita, Shun Maruyama, Changsu Kim, Hidefumi Akiyama, Loren N.Pfeiffer, Ken W.West
    • Organizer
      The 16th International Conference on Crystal Growth
    • Place of Presentation
      Beijing, China
    • Data Source
      KAKENHI-PROJECT-20360135
  • [Presentation] GaAs量子井戸の発光励起スペクトルにおける共鳴レーリー散乱の寄与2010

    • Author(s)
      丸山俊, 望月敏光, 吉田正裕, 秋山英文, Loren N.Pfeiffer, Ken W.West
    • Organizer
      日本物理学会2010年秋季大会
    • Place of Presentation
      大阪府立大学中百舌鳥キヤンパス
    • Data Source
      KAKENHI-PROJECT-20360135
  • [Presentation] 量子細線における-次元電子正孔系の光学利得と静的遮蔽相互作用2010

    • Author(s)
      吉田正裕, 岡野真人, 秋山英文, 懐平, 小川哲生
    • Organizer
      日本物理学会2010年秋季大会
    • Place of Presentation
      大阪府立大学中百舌鳥キヤンパス
    • Data Source
      KAKENHI-PROJECT-20360135
  • [Presentation] 点励起Hakki-Paoli法による半導体量子井戸レーザーの導波路モード評価2010

    • Author(s)
      金昌秀, 望月敏光, 吉田正裕, 陳少強, 丸山俊, 秋山英文, Loren N,Pfeiffer, Ken W.Weat
    • Organizer
      大阪府立大学中百舌鳥キャンパス
    • Place of Presentation
      大阪府立大学中百舌鳥キャンパス
    • Data Source
      KAKENHI-PROJECT-20360135
  • [Presentation] Temperature-dependent radiative lifetime of excitons in high quality T-shaped quantum wires2010

    • Author(s)
      陳少強, 吉田正裕, 望月敏光, 丸山俊, 金昌秀, 秋山英文, Loren N.Pfeiffer, Ken W.West
    • Organizer
      日本物理学会2010年秋季大会
    • Place of Presentation
      大阪府立大学中百舌鳥キャンパス
    • Data Source
      KAKENHI-PROJECT-20360135
  • [Presentation] 極低窒素濃度GaAsNにおける窒素ペアからの発光の窒素濃度依存性2010

    • Author(s)
      石川輝, 八木修平, 土方泰斗, 吉田貞史, 岡野真人, 望月敏光, 吉田正裕, 秋山英文, 窪谷茂幸, 尾鍋研太郎, 片山竜二, 矢口裕之
    • Organizer
      2010年秋季第71回応用物理学学術講演会
    • Place of Presentation
      長崎大学文教キャンパス
    • Data Source
      KAKENHI-PROJECT-20360135
  • [Presentation] 窒素δドープGaAs/AlGaAsヘテロ構造における等電子トラップからの発光特性評価2010

    • Author(s)
      高宮健吾, 遠藤雄太, 福島俊之, 星野真也, 八木修平, 土方泰斗, 望月敏光, 吉田正裕, 秋山英文, 窪谷茂幸, 尾鍋研太郎3, 片山竜二, サノーピンサクンタム, 矢口裕之
    • Organizer
      2010年秋季第71回応用物理学学術講演会
    • Place of Presentation
      長崎大学文教キャンパス
    • Data Source
      KAKENHI-PROJECT-20360135
  • [Presentation] Optical waveguide-transmission spectroscopy of one-dimensional excitons in T-shaped quantum wires2010

    • Author(s)
      M.Yoshita, M.Okano, H.Akiyama, L.N.Pfeiffer, K.W.West
    • Organizer
      The 30th International Conference on the Physics of Semiconductors
    • Place of Presentation
      Seoul, Korea
    • Data Source
      KAKENHI-PROJECT-20360135
  • [Presentation] 窒素δドープGaAs中の等電子トラップを形成する窒素原子対配列に関する研究2010

    • Author(s)
      星野真也, 遠藤雄太, 福島俊之, 高宮健吾, 八木修平, 土方泰斗, 望月敏光, 吉田正裕, 秋山英文, 窪谷茂幸, 尾鍋研太郎, 片山竜二, 矢口裕之
    • Organizer
      2010年秋季第71回応用物理学学術講演会
    • Place of Presentation
      長崎大学文教キャンパス
    • Data Source
      KAKENHI-PROJECT-20360135
  • [Presentation] 顕微鏡発光励起スペクトル測定を用いた非ドープ量子井戸のキャリア温度2009

    • Author(s)
      丸山俊, 井原章之, 吉田正裕, 望月敏光, 秋山英文, Loren N.Pfeiffer, Ken W.West
    • Organizer
      日本物理学会2009年秋季大会
    • Place of Presentation
      熊本大学黒髪キャンパス
    • Data Source
      KAKENHI-PROJECT-20360135
  • [Presentation] 窒素δドープGaAs/AlGaAsヘテロ構造における等電子トラップからの発光2009

    • Author(s)
      高宮健吾, 遠藤雄太, 福島俊之, 土方泰人, 矢口裕之, 吉田貞史, 岡野真人, 秋山英文, 窪谷茂幸, 尾鍋研太郎, 片山竜二
    • 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-20360135
  • [Presentation] 中性及び非中性電子-正孔系を有したT型量子細線の利得及び発振特性2009

    • Author(s)
      岡野真人, 吉田正裕, 秋山英文, Ping Huai, 浅野建一, 小川哲生, Loren N. Pfeiffer, Ken W.West
    • Organizer
      日本物理学会2009年秋季大会
    • Place of Presentation
      熊本大学黒髪キャンパス
    • Data Source
      KAKENHI-PROJECT-20360135
  • [Presentation] 極低窒素濃度GaAsNのフォトルミネッセンス励起分光測定2009

    • Author(s)
      石川輝, 土方泰人, 矢口裕之, 吉田貞史, 岡野真人, 吉田正裕, 秋山英文, 窪谷茂幸, 尾鍋研太郎, 片山竜二
    • 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-20360135
  • [Presentation] Carrier distribution in a doped quantum well determined by Kennard Stepanov relation.2009

    • Author(s)
      T.Ihara, S.Maruyama, M.Yoshita, H.Akiyama, Loren N.Pfeiffer, Ken W.West
    • Organizer
      Electron Dynamics In Semiconductors, Optoelectronics and Nanostructures(EDISON16)
    • Place of Presentation
      Montpellier, France
    • Data Source
      KAKENHI-PROJECT-20360135
  • [Presentation] Photoluminescence from single isoelectronic traps in nitrogen delta-doped GaAs grown on GaAs(111)A.2009

    • Author(s)
      T.Fukushima, M.Ito, Y.Hijikata, H, Yaguchi, S.Yoshida, M.Okano, M.Yoshita, H.Akiyama, S.Kuboya, R.Katayama, K.Onabe
    • Organizer
      The 14^<th> International Conference on Modulated Semiconductor structures(MSS-14)
    • Place of Presentation
      兵庫県神戸市
    • Data Source
      KAKENHI-PROJECT-20360135
  • [Presentation] 半導体量子細線レーザーの利得スペクトルにおけるクーロン増強および抑制効果2008

    • Author(s)
      吉田正裕
    • 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
      2008-09-20
    • Data Source
      KAKENHI-PROJECT-20360135
  • [Presentation] エレクトロルミネッセンス絶対光量計測によるInGaP/GaAs/Ge 3接合太陽電池のサブセル特性評価

    • Author(s)
      吉田正裕、陳少強、朱琳、望月敏光、金昌秀、秋山英文、今泉充、金光義彦
    • Organizer
      第75回応用物理学会秋季学術講演会
    • Place of Presentation
      北海道大学札幌キャンパス(北海道、札幌市)
    • Year and Date
      2014-09-17 – 2014-09-20
    • Data Source
      KAKENHI-PROJECT-26390075
  • [Presentation] 多接合太陽電池のエレクトロルミネッセンス絶対光量画像計測

    • Author(s)
      吉田正裕、朱琳、金昌秀、秋山英文、陳少強、望月敏光、久保田英博、中村徹哉、今泉充、金光義彦
    • Organizer
      2015年第62回応用物理学会春季学術講演会
    • Place of Presentation
      東海大学湘南キャンパス(神奈川県、平塚市)
    • Year and Date
      2015-03-11 – 2015-03-14
    • Data Source
      KAKENHI-PROJECT-26390075
  • [Presentation] 利得スイッチGaAsバルクレーザーの高密度領域における光インパルス応答特性

    • Author(s)
      伊藤隆、中前秀一、陳少強、吉田正裕、望月敏光、金昌秀、小林洋平、秋山英文
    • Organizer
      日本物理学会2014年秋季大会
    • Place of Presentation
      中部大学 春日井キャンパス(愛知県、春日井市)
    • Year and Date
      2014-09-07 – 2014-09-10
    • Data Source
      KAKENHI-PROJECT-26390075
  • [Presentation] 利得スイッチ半導体レーザーのサブピコ秒パルス発生における共振器効果

    • Author(s)
      伊藤隆、中前秀一、陳少強、中村考宏、金昌秀、望月敏光、小林洋平、吉田正裕、秋山英文
    • Organizer
      日本物理学会2015年春季大会
    • Place of Presentation
      早稲田大学 早稲田キャンパス(東京都、新宿区)
    • Year and Date
      2015-03-21 – 2015-03-24
    • Data Source
      KAKENHI-PROJECT-26390075
  • [Presentation] LED微弱発光標準の開発と量子井戸発光量子収率計測

    • Author(s)
      吉田正裕、村岡洋祐、下川原正博、森謙雄、久保田英博、秋山英文
    • Organizer
      日本物理学会2014年秋季大会
    • Place of Presentation
      中部大学 春日井キャンパス(愛知県、春日井市)
    • Year and Date
      2014-09-07 – 2014-09-10
    • Data Source
      KAKENHI-PROJECT-26390075
  • [Presentation] リッジ型導波路ダブルコア半導体レーザー

    • Author(s)
      中村考宏, 望月敏光, 金昌秀, 陳少強, 吉田正裕, 秋山英文
    • Organizer
      日本物理学会2014年秋季大会
    • Place of Presentation
      中部大学 春日井キャンパス(愛知県、春日井市)
    • Year and Date
      2014-09-07 – 2014-09-10
    • Data Source
      KAKENHI-PROJECT-26390075
  • [Presentation] 多接合型太陽電池のサブセル性能評価に向けたエレクトロルミネッセンス絶対光量計測

    • Author(s)
      吉田正裕,陳少強,朱琳,望月敏光,金昌秀,秋山英文,久保田英博,今泉充,金光義彦
    • Organizer
      日本物理学会2015年春季大会
    • Place of Presentation
      早稲田大学 早稲田キャンパス(東京都、新宿区)
    • Year and Date
      2015-03-21 – 2015-03-24
    • Data Source
      KAKENHI-PROJECT-26390075
  • 1.  AKIYAMA Hidefumi (40251491)
    # of Collaborated Projects: 13 results
    # of Collaborated Products: 113 results
  • 2.  BABA Motoyoshi (60159077)
    # of Collaborated Projects: 8 results
    # of Collaborated Products: 1 results
  • 3.  榊 裕之 (90013226)
    # of Collaborated Projects: 2 results
    # of Collaborated Products: 0 results
  • 4.  WATANABE Shuntaro (50143540)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 0 results
  • 5.  MORITA Makoto (70054351)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 0 results
  • 6.  KIM Changsu
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 6 results
  • 7.  PFEIFFER Loren
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 0 results
  • 8.  CHEN Shaoqiang
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 13 results
  • 9.  ITOH Takashi
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 9 results
  • 10.  NAKAMURA Takahiro
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 18 results
  • 11.  NAKAMAE Hidekazu
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 11 results

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