Updated on 2022/07/13

写真a

 
Oohata Goro
 
Organization
Graduate School of Science Department of Physics Associate Professor
School of Science Department of Physics
Title
Associate Professor
Affiliation
Institute of Science

Position

  • Graduate School of Science Department of Physics 

    Associate Professor  2022.04 - Now

  • School of Science Department of Physics 

    Associate Professor  2022.04 - Now

Degree

  • 博士(工学) ( Tohoku University )

Research Areas

  • Nanotechnology/Materials / Optical engineering and photon science  / 量子光学

Research subject summary

  • 量子トモグラフィを用いた量子もつれ分光法の開発

  • 半導体を用いた量子もつれ光子の生成・制御

  • 半導体微小共振器を用いた共振器ポラリトンの研究

Research Career

  • 物質の光学非線形応答を用いた量子もつれ光子の生成,検出及び干渉

    量子もつれ光子、ハイパーパラメトリック散乱、励起子分子、光子検出、二光子干渉  Individual

    2001 - Now 

  • 半導体やその微小共振器における,励起子,励起子分子の光物性

    半導体、微小共振器、共振器ポラリトン、Rabi振動、Fano干渉  Individual

    2001 - Now 

  • 量子トモグラフィなど量子光学・情報の技術を用いた新しい分光計測技術の開発

    量子もつれ、密度行列、量子トモグラフィ、量子コヒーレンス、非線形分光  Individual

    2015 - Now 

Professional Memberships

  • 日本物理学会

    2001 - Now   Domestic

  • 応用物理学会

    2015 - Now   Domestic

  • アメリカ光学会(The Optical Society of America)

    2013.06 - Now   Overseas

Committee Memberships (off-campus)

  • 男女共同参画推進委員会委員   日本物理学会  

    2021.04 - Now 

Awards

  • 文部科学大臣表彰 科学技術賞 理解増進部門

    2011.04   文部科学省  

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    Country:Japan

Papers

  • Complex energies of the coherent longitudinal optical phonon–plasmon coupled mode according to dynamic mode decomposition analysis Reviewed

    Itsushi Sakata, Takuya Sakata, Kohji Mizoguchi, Satoshi Tanaka, Goro Oohata, Ichiro Akai, Yasuhiko Igarashi, Yoshihiro Nagano & Masato Okada

    Scientific Reports   11   2021.11

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    Kind of work:Joint Work  

  • Effects of hydrogen on structure and crystallization behavior of sputter-deposited amorphous germanium films Reviewed

    Y. Hanya, R. Nakamura, M. Okugawa, M. Ishimaru, G. Oohata, H. Yasuda

    Japanese Journal of Applied Physics 雑誌   59 ( 7 )   2020.07

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    Kind of work:Joint Work  

  • Evaluation of two-photon polarization density matrix of polarization-entangled photon pairs generated through biexciton resonant hyper-parametric scattering Reviewed

    Y. Yamamoto, G. Oohata, and K. Mizoguchi

    J. Opt. Soc. Am. B 雑誌   36   1581 - 1586   2019.05

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    Kind of work:Joint Work  

  • Nonlinear polarization optical response to entangled state of biexciton Reviewed

    T. Tsuji, G. Oohata, and K. Mizoguchi

    J. Phys.: Conf. Ser. 雑誌   1220   012032/1 - 4   2019.05

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    Kind of work:Joint Work  

  • Q-factor dependence of angle-resolved transmission spectra in CuCl microcavities Reviewed

    T. Yokoyama, T. Nishida, G. Oohata, and K. Mizoguchi

    J. Phys.: Conf. Ser. 雑誌   1220   012049/1 - 4   2019.05

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    Kind of work:Joint Work  

  • Quantitative characterization of highly efficient correlated photon-pair source using biexciton resonance Reviewed

    Y. Yamamoto, G. Oohata, and K. Mizoguchi

    Opt. Express. 雑誌   24   6034 - 6040   2016.03

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    Kind of work:Joint Work  

  • Pressure dependence of far-infrared reflectance spectra in layered iron oxide LuFe2O4 Reviewed

    T. Go, H. Okamura, G. Oohata, T. Nagata, T. Moriwaki, Y. Ikemoto, S. Mori, N. Ikeda, and K. Mizoguchi

    Trans. Mat. Res. Soc. Japan 雑誌   41   109 - 112   2016.01

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    Kind of work:Joint Work  

  • Collinear and degenerate polariton pair emission via biexciton-resonant hyper-parametric scattering Reviewed

    H. Shimizu, G. Oohata, Y. Yamamoto, and K. Mizoguchi

    Phys. Stat. Sol. (c) 雑誌   13   117 - 120   2015.12

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    Kind of work:Joint Work  

  • Dynamical Fano-Like Interference between Rabi Oscillations and Coherent Phonons in a Semiconductor Microcavity System Reviewed

    S Yoshino, G Oohata, and K Mizoguchi

    Phys. Rev. Lett. 雑誌   115   157402/1 - 5   2015.10

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    Kind of work:Joint Work  

  • Observation of bound and antibound states of cavity polariton pairs in a CuCl microcavity Reviewed

    S. Matsuura, Y. Mitsumori,H. Kosaka, K. Edamatsu, K. Miyazaki, D. Kim, M.Nakayama, G. Oohata, H. Oka, H. Ajiki, H. Ishihara

    Phys. Rev. B 雑誌   89   035317/1 - 6   2014.01

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    Kind of work:Joint Work  

  • Generation of Coherent Phonon by Rabi Oscillation in CuCl Microcavity Reviewed

    S. Yoshino, G. Oohata, Y. Shim, H. Ishihara, K. Mizoguchi

    Nonlinear Optics Technical Digest 2013 雑誌   NTu3A.3/1 - 2   2013.07

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    Kind of work:Joint Work  

  • Photon statistics analysis of entangled photon pairs via biexciton resonant hyper-parametric scattering Reviewed

    Y.Yamamoto, G. Oohata, K. Mizoguchi

    Nonlinear Optics Technical Digest 2013 雑誌   NW1A.6/1 - 2   2013.07

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    Kind of work:Joint Work  

  • Characteristics of coherent transverse optical phonon in CuI thin films on Au nano-films Reviewed

    S. Isshiki, Y. Nagata, G. Oohata, A.Kawakami, S. Saito, K. Mizoguchi

    Eur. Phys. J. B 雑誌   86   172/1 - 4   2013.04

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    Kind of work:Joint Work  

  • Optical properties of asymmetric coupled CuCl microcavities Reviewed

    T. Okude, G. Oohata, S. Yoshino, Y. Shim, H. Ishihara, K. Mizoguchi

    Eur. Phys. J. B 雑誌   86   143/1 - 4   2013.04

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    Kind of work:Joint Work  

  • Generation of Coherent Phonons in a CdTe Single Crystal Using an Ultrafast Two-Phonon Laser-Excitation Process Reviewed

    K.Mizoguchi, R. Morishita, G. Oohata

    Phys. Rev. Lett. 雑誌   110   077402/1 - 5   2013.02

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    Kind of work:Joint Work  

  • Polarization dependence of four-wave mixing via biexcitons in CuCl microcavities Reviewed

    S. Matsuura, Y. Mitsumori, H. Kosaka, K. Edamatsu, K. Miyazaki, Y. Kanatani, D. Kim, M.Nakayama, G. Oohata, H. Oka, H. Ajiki, H. Ishihara

    Phys. Stat. Sol. (c) 雑誌   9   2505 - 2508   2012.12

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    Kind of work:Joint Work  

  • Photoluminescence of excitons and biexcitons in (C4H9NH3)2PbBr4 crystals under high excitation density Reviewed

    Y.Yamamoto, G. Oohata, K.Mizoguchi, H. Ichida, Y.Kanematsu

    Phys. Stat. Sol. (c) 雑誌   9   2012.12

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    Kind of work:Joint Work  

  • Rabi splitting in CuCl microcavity with DBR consisting of PbCl2/NaF multilayers Reviewed

    S. Yoshino, G. Oohata, Y. Shim, H. Ishihara, K. Mizoguchi

    Phys. Stat. Sol. (c) 雑誌   8   221 - 224   2011.01

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    Kind of work:Joint Work  

  • Anomalous detection-energy dependence of coherent phonon in bismuth thin films Reviewed

    R. Morishita, G. Oohata, and K. Mizoguchi

    Phys. Stat. Sol. (c) 雑誌   8   169 - 172   2011.01

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    Kind of work:Joint Work  

  • Coherent Control of Terahertz Wave from Coherent Longitudinal Optical Phonon in a GaAs/AlAs Multiple-Quantum-Well Structure Reviewed

    K.Mizoguchi, Y. Kanzawa, G. Oohata, S. Saito, K. Sakai, M. Nakayama

    Jpn. J. Appl. Phys. 雑誌   49   120202/1 - 3   2010.12

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    Kind of work:Joint Work  

  • Efficient generation of energy-tunable entangled photons in a semiconductor microcavity Reviewed

    H. Oka, G. Oohata, H. Ishihara

    Appl. Phys. Lett. 雑誌   94   111113/1 - 3   2009.03

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    Kind of work:Joint Work  

  • Experimental Determination of Excitonic Dispersion Relation from Center-of-Mass Quantization Effect on Excitons in PbI2 Thin Films Reviewed

    G. Oohata, Y. Yokotsuji, D. Kim, H. Ishihara, M. Nakayama

    J. Phys. Soc. Jpn. 雑誌   78   024702/1 - 5   2009.02

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    Kind of work:Joint Work  

  • Exciton polaritons in bulk CuCl microcavities grown by vacuum deposition Reviewed

    G. Oohata, T. Nishioka, D. Kim, H. Ishihara, M. Nakayama

    Phys. Stat. Sol. (c) 雑誌   6   280 - 283   2009.01

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    Kind of work:Joint Work  

  • Giant Rabi splitting in a bulk CuCl microcavity Reviewed

    G. Oohata, T. Nishioka, D. Kim, H. Ishihara, M. Nakayama

    Phys. Rev. B 雑誌   78   233304/1 - 4   2008.12

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    Kind of work:Joint Work  

  • Photon Polarization Entanglement Induced by Biexciton: Experimental Evidence for Violation of Bell's Inequality Reviewed

    G. Oohata, R. Shimizu, K. Edamatsu

    Phys. Rev. Lett. 雑誌   98   140503/1 - 4   2007.04

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    Kind of work:Joint Work  

  • Observation of Biexciton-Resonant Hyper-Parametric Scattering in SiO2/CuCl Layered Structures Reviewed

    M. Nakayama, T. Nishioka, S.Wakaiki, G. Oohata, K. Mizoguchi, D. Kim, K. Edamatsu

    Jpn. J. Appl. Phys. 雑誌   46   L234 - L236   2007.03

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    Kind of work:Joint Work  

  • Generation of entangled photons in a semiconductor and violation of Bell's inequality Reviewed

    G. Oohata, R. Shimizu, K. Edamatsu

    Proc. 8th Int. Symp. on Foundations of Quantum Mechanics in the Light of New Technology 雑誌   50 - 53   2006.06

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    Kind of work:Joint Work  

  • Generation of entangled photons viabiexciton-resonant hyper-parametric scattering Reviewed

    G. Oohata, R. Shimizu, K. Edamatsu

    Proc. SPIE 雑誌   5722   15 - 18   2005.05

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    Kind of work:Joint Work  

  • Two-photon absorption and lasingdue to biexciton in CuCl quantum dots Reviewed

    Y. Kagotani, K. Miyajima, G. Oohata, S. Saito, M. Ashida, K. Edamatsu, T. Itoh

    J. Lumin. 雑誌   112   2005.04

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    Kind of work:Joint Work  

  • Two-photon excitation of confined biexcitons in CuCl quantum dots Reviewed

    K. Miyajima, G. Oohata, Y. Kagotani, M. Ashida, K. Edamatsu, and T. Itoh

    Physica E 雑誌   26   33 - 36   2005.02

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    Kind of work:Joint Work  

  • Stable biexcitonic lasing of CuCl quantum dots under two-photon resonant excitation Reviewed

    G. Oohata, Y. Kagotani, K. Miyajima, M. Ashida, S. Saito, K. Edamatsu, and T. Itoh

    Physica E 雑誌   26   347 - 350   2005.02

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    Kind of work:Joint Work  

  • Generation of entangled photons from biexcitons in a semiconductor Reviewed

    G. Oohata, K. Edamatsu

    Proc. SPIE 雑誌   5631   20 - 23   2005.01

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    Kind of work:Joint Work  

  • Generation of ultraviolet entangled photons in a semiconductor Reviewed

    K. Edamatsu, G. Oohata, R. Shimizu, and T. Itoh

    Nature 雑誌   431   167 - 170   2004.09

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    Kind of work:Joint Work  

  • Two-photon excitation of biexcitons and their lasing in semiconductor quantum dots Reviewed

    K. Miyajima, Y. Kagotani, M. Ashida, T. Itoh, G. Oohata, K. Edamatsu, and S. Saito

    OSA Trends in Optics and Photonics Series 雑誌   97   759 - 760   2004.05

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    Kind of work:Joint Work  

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Books and Other Publications

  • 量子情報通信

    執筆者 他35名( Role: Joint author)

    オプトロニクス社  2006.11 

Presentations

  • 異なる活性層位置を持つ半導体微小共振器における光学特性 Domestic conference

    宮永麟太郎, 大畠悟郎, 溝口幸司

    第32回光物性研究会  2021.12 

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    Presentation type:Poster presentation  

  • CuCl微小共振器における励起子-光子相互作用の活性層位置依存性 Domestic conference

    宮永麟太郎, 大畠悟郎, 溝口幸司

    日本物理学会2021年秋季大会  2021.09 

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    Presentation type:Poster presentation  

  • CuCl半導体微小共振器における角度分解透過スペクトルの複素スペクトル解析 Domestic conference

    横山大樹, 西田拓哉, 大畠悟郎, 田中 智, 溝口幸司

    日本物理学会2021年秋季大会  2021.09 

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    Presentation type:Oral presentation (invited, special)  

  • 励起子分子に内在する量子もつれの時間発展と温度変化の測定 Domestic conference

    大畠悟郎, 木村崇彦, 溝口幸司

    日本物理学会2021年秋季大会  2021.09 

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    Presentation type:Poster presentation  

  • 周波数領域・密度行列分光法の開発 Domestic conference

    上村 陸, 森尾 東, 大畠悟郎, 溝口幸司

    第82回応用物理学会秋季学術講演会  2021.09 

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    Presentation type:Poster presentation  

  • 密度行列分光法を用いた半導体電子状態に対する偏光量子もつれの測定 Domestic conference

    木村 崇彦,大畠 悟郎,溝口 幸司

    量子生命科学会 第2回大会  2020.12 

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    Presentation type:Poster presentation  

  • 励起子分子の偏光密度行列の時間発展から得られる量子もつれダイナミクス Domestic conference

    木村崇彦,大畠悟郎,溝口幸司

    第31回光物性研究会  2020.12 

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    Presentation type:Poster presentation  

  • 密度行列分光法を用いた励起子分子に内在する量子もつれダイナミクスの測定 Domestic conference

    木村崇彦,大畠悟郎,溝口幸司

    日本物理学会 2020年 秋季大会  2020.09 

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    Presentation type:Poster presentation  

  • 励起子分子から生成した量子もつれ光子対に対する偏光biphoton干渉 Domestic conference

    山口 佳紀,大畠 悟郎,溝口 幸司

    第67回応用物理学会春季学術講演会  2020.03 

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    Presentation type:Poster presentation  

  • 4光波混合法を用いた励起子分子に対する偏光密度行列の測定 Domestic conference

    木村崇彦, 大畠悟郎, 溝口幸司

    日本物理学会 第75回年次大会  2020.03 

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    Presentation type:Poster presentation  

  • 現象論的非エルミート有効ハミルトニアンによるLOフォノン-プラズモン結合モードの解析 Domestic conference

    坂田拓也, 大畠悟郎, 溝口幸司

    日本物理学会 第75回年次大会  2020.03 

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    Presentation type:Poster presentation  

  • 複素スペクトル解析によるLOフォノン-プラズモン結合の研究 Domestic conference

    坂田拓也,大畠悟郎,溝口幸司

    第30回光物性研究会  2019.12 

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    Presentation type:Poster presentation  

  • 励起子分子から生成した量子もつれ光子対の偏光相関を利用したbiphoton干渉 Domestic conference

    山口佳紀,大畠悟郎,溝口幸司

    第30回光物性研究会  2019.12 

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    Presentation type:Poster presentation  

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Industrial Property Rights

  • 光子対生成装置および光子対生成方法

    大畠 悟郎,岡 寿樹, 石原 一

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    property_type:Patent 

    Patent/Registration no:5224417 

Outline of collaborative research (seeds)

  • optical property of semiconductors

  • quantum optics

  • optical microcavity, optical property of semiconductors

Charge of on-campus class subject

  • Science Communication II(Physical Science)

    2021    

  • Science Communication I(Physical Science)

    2021    

  • English for Phyisics

    2021    

  • English for Scientists

    2021    

  • Demonstration of Experiments in Physics II

    2021   Practical Training  

  • Demonstration of Experiments in Physics I

    2021   Practical Training  

  • Electricity & Magnetism II

    2021    

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Social Activities

  • 泉北高校 大学訪問研修

    2017.04 - 2018.03

  • 教員免許状更新講習『授業で生かす科学トピックス(理科)』

    2017.04 - 2018.03

  • サマーサイエンスセミナー

    2015.04 - 2016.03

  • 堺市立中百舌鳥中学校を対象とした科学実験公開

    2014.04 - 2015.03

Media Coverage

  • 【Webページ】こんな研究をして世界を変えよう〜君はどんな学問や研究に出会えるか〜

    2020.08

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    若手研究が世界を変える!
    【物性I】
    光物性
    物質の量子状態「密度行列」の分光測定手法を考案・開発
    大畠悟郎先生
    https://www.sekaiwokaeyo.com/wakate/s2031/