Organization
Graduate School of Science Department of Physics Associate Professor
School of Science Department of Physics
School of Science Department of Physics
Title
Associate Professor
Affiliation
Institute of Science
Oohata Goro
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
-
Natural Science / Semiconductors, optical properties of condensed matter and atomic physics
-
Nanotechnology/Materials / Optical engineering and photon science
Research Interests
-
密度行列
-
励起子分子
-
励起子
-
分光学
-
共振器ポラリトン
-
光物性
-
エンタングルメント
-
微小共振器
-
非線形分光
-
量子情報
-
量子光学
-
超高速分光
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
-
THE JAPAN SOCIETY OF APPLIED PHYSICS
-
Optical Society of America
-
THE PHYSICAL SOCIETY OF JAPAN
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
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
-
Itsushi Sakata, Takuya Sakata, Kohji Mizoguchi, Satoshi Tanaka, Goro Oohata, Ichiro Akai, Yasuhiko Igarashi, Yoshihiro Nagano, Masato Okada
2021.09
-
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
-
Evaluation of two-photon polarization density matrix of polarization-entangled photon pairs generated through biexciton resonant hyper-parametric scattering Reviewed
Yamamoto Yasuo, Oohata Goro, Mizoguchi Kohji
JOURNAL OF THE OPTICAL SOCIETY OF AMERICA B-OPTICAL PHYSICS 36 ( 6 ) 1581 - 1586 2019.06（ ISSN:0740-3224 ）
-
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
-
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
-
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
-
Q-factor dependence of angle-resolved transmission spectra in CuCl microcavities Reviewed
Yokoyama T, Nishida T, Oohata G, Mizoguchi K
12TH INTERNATIONAL CONFERENCE ON EXCITONIC AND PHOTONIC PROCESSES IN CONDENSED MATTER AND NANO MATERIALS (EXCON 2018) 1220 2019（ ISSN:1742-6588 ）
-
Nonlinear polarization optical response to entangled state of biexciton Reviewed
Tsuji T, Oohata G, Mizoguchi K
12TH INTERNATIONAL CONFERENCE ON EXCITONIC AND PHOTONIC PROCESSES IN CONDENSED MATTER AND NANO MATERIALS (EXCON 2018) 1220 2019（ ISSN:1742-6588 ）
-
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
-
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
-
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
-
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
-
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
-
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
-
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
-
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
-
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
-
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
-
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
-
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
-
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
-
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
-
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
-
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
-
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
-
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
-
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
-
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
-
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
-
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
-
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
-
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
-
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
-
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
-
Generation of entangled photons from biexcitons in a semiconductor Reviewed
G. Oohata, K. Edamatsu
Proc. SPIE 雑誌 5631 20 - 23 2005.01
-
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
-
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
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
-
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
-
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
-
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
-
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
-
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
-
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
-
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
-
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
-
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
-
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
-
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
-
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
-
光子・励起子・フォノン間の結合状態に起因して現れる非対称スペクトルと非エルミート光応答 Invited Domestic conference
大畠 悟郎
日本物理学会第74回年次大会 2019.03
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
Outline of collaborative research (seeds)
-
quantum optics
-
optical microcavity, optical property of semiconductors
-
optical property of semiconductors
Grant-in-Aid for Scientific Research
-
光合成微生物の外場濃縮による高効率物質生産の機構解明
Grant-in-Aid for Scientific Research(A) 2024
Charge of on-campus class subject
-
専門物理学実験A
2024 Weekly class Undergraduate
-
物理学特別研究2A
2024 Intensive lecture Graduate school
-
物理学特別研究1A
2024 Intensive lecture Graduate school
-
物理学特別演習2A
2024 Intensive lecture Graduate school
-
物理学特別演習1A
2024 Intensive lecture Graduate school
-
物理学特別演習5A
2024 Intensive lecture Graduate school
-
物理学特別演習4A
2024 Intensive lecture Graduate school
-
物理学特別演習3A
2024 Intensive lecture Graduate school
-
物理学特別研究5A
2024 Intensive lecture Graduate school
-
物理学特別研究4A
2024 Intensive lecture Graduate school
-
物理学特別研究3A
2024 Intensive lecture Graduate school
-
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
Social Activities ⇒ Link to the list of 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
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/