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Affiliation |
Institute of Advanced Sciences |
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Job Title |
Assistant Professor |
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Research Fields, Keywords |
Nitrogen-vacancy center, Quantum optics, Quantum information |
SEKIGUCHI Yuhei
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The Best Research Achievement in Research Career 【 display / non-display 】
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【Published Thesis】 Optical holonomic single quantum gates with a geometric spin under a zero field 2017.04
【Published Thesis】 Optically addressable universal holonomic quantum gates on diamond spins(NATURE PHOTONICS) 2022.09
【Published Thesis】 Geometric spin echo under zero field 2016.05
The Best Research Achievement in the last 5 years 【 display / non-display 】
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【Published Thesis】 Optically addressable universal holonomic quantum gates on diamond spins(NATURE PHOTONICS) 2022.09
【Published Thesis】 Geometric entanglement of a photon and spin qubits in diamond 2021.12
【Published Thesis】 Coherent electric field control of orbital state of a neutral nitrogen-vacancy center(NATURE COMMUNICATIONS) 2024.05
【Published Thesis】 Deterministic Bell state measurement with a single quantum memory(NPJ QUANTUM INFORMATION) 2023.10
【Published Thesis】 Quantum error correction of spin quantum memories in diamond under a zero magnetic field(COMMUNICATIONS PHYSICS) 2022.04
Education 【 display / non-display 】
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2016.10-2019.3
Yokohama National University Department of Physics, Electrical and Computer Engineering Doctor Course Completed
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2015.4-2016.9
Yokohama National University Department of Physics, Electrical and Computer Engineering Master Course Completed
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-2015.3
Yokohama National University Graduated
Degree 【 display / non-display 】
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Doctor of Engineering - Yokohama National University
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Master of Engineering - Yokohama National University
Campus Career 【 display / non-display 】
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2020.11
Duty Yokohama National UniversityInstitute of Advanced Sciences Assistant Professor
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2019.4-2020.10
Duty Yokohama National UniversityFaculty of Engineering Division of Intelligent Systems Engineering Specially Appointed Assistant Professor
Academic Society Affiliations 【 display / non-display 】
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2014.10
The Physical Society of Japan
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2022.4
量子技術による新産業創出協議会（Q-STAR）
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2021.10
American Physical Society
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2021.4
QUANTUM INTERNET TASK FORCE
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2017.7
The Japan Society of Applied Physics
Papers 【 display / non-display 】
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Optically addressable universal holonomic quantum gates on diamond spins
Sekiguchi Yuhei, Matsushita Kazuki, Kawasaki Yoshiki, Kosaka Hideo
NATURE PHOTONICS 16 ( 9 ) 662 - + 2022.9 [Reviewed]
Authorship：Lead author Language：English Publishing type：Research paper (scientific journal) Joint Work
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Optical holonomic single quantum gates with a geometric spin under a zero field
Vol.11 309 - 314 2017.4 [Reviewed]
Authorship：Lead author Language：English Publishing type：Research paper (scientific journal) Joint Work
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Geometric spin echo under zero field
2016.5 [Reviewed]
Authorship：Lead author Language：English Publishing type：Research paper (scientific journal) Joint Work
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Coherent electric field control of orbital state of a neutral nitrogen-vacancy center
Kurokawa, H; Wakamatsu, K; Nakazato, S; Makino, T; Kato, H; Sekiguchi, Y; Kosaka, H
NATURE COMMUNICATIONS 15 ( 1 ) 2024.5 [Reviewed]
Language：Japanese Publishing type：Research paper (scientific journal) Joint Work
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Deterministic Bell state measurement with a single quantum memory
Kamimaki, A; Wakamatsu, K; Mikata, K; Sekiguchi, Y; Kosaka, H
NPJ QUANTUM INFORMATION 9 ( 1 ) 2023.10
Language：Japanese Publishing type：Research paper (scientific journal) Joint Work
Grant-in-Aid for Scientific Research 【 display / non-display 】
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長距離量子通信に向けたダイヤモンド量子中継機能素子の開発
2017.4 - 2019.3
科学研究費補助金 Grant-in-Aid for JSPS Fellows
Investigator(s)：関口 雄平
Grant type：Competitive
Presentations 【 display / non-display 】
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量子インタフェースに向けたダイヤモンド機械振動共振器のモード体積微小化
山本萌生, 黒川穂高, 牧野俊晴,加藤宙光，藤井知, 関口雄平, 瀬戸浦真衣,寺井弘高,小野田忍, 小坂英男
日本物理学会 2025年春季大会
Event date： 2025.3
Language：Japanese Presentation type：Oral presentation (general)
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ダイヤモンドNV中心を介した吸収光子から発光光子への量子中継デモンストレーション
藤原太朔, レイエスラウスティン, 加藤宙光,牧野俊晴,関口雄平, 小坂英男
日本物理学会 2025年春季大会
Event date： 2025.3
Language：Japanese Presentation type：Oral presentation (general)
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レーザーアニールによるダイヤモンドナノビーム光導波路中への窒素空孔中心生成
杉原健吾, 石田悟己, 松清秀次, 飯島航大, 池尙玟, 大槻秀夫, 西岡政雄,小野田忍,加藤宙光, 牧野俊晴, 上牧瑛, 関口雄平, 岩本敏,小坂英男
第72回応用物理学会春季講演会
Event date： 2025.3
Language：Japanese Presentation type：Oral presentation (general)
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ダイヤモンド量子メモリによる量子中継レートの向上
レイエスラウスティン, 藤原太朔, 関口雄平, 加藤宙光,牧野俊晴,小坂英男
第72回応用物理学会春季講演会
Event date： 2025.3
Language：Japanese Presentation type：Oral presentation (general)
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ダイヤモンド量子ナノフォトニックデバイスの高効率光ファイバー結合に関する研究
青山慶太朗, 関口雄平, 小坂英男
第20回ナノテク交流シンポジウム
Event date： 2025.3
Language：Japanese Presentation type：Poster presentation
Media Coverage 【 display / non-display 】
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ダイヤモンドの量子ビット、レーザー光で個別操作 横浜国大が技術
日刊工業新聞 2022.8
Author：Other
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スピン制御 新原理実証 量子集積チップ 光操作実現 横浜国大
日刊工業新聞 2017.4
Author：Other