Fujita Takafumi 藤田高史

Researcher Number	00809642
Other IDs
Affiliation (Current)	2025: 大阪大学, 産業科学研究所, 准教授
Affiliation (based on the past Project Information) *help	2022 – 2025: 大阪大学, 産業科学研究所, 准教授 2018 – 2021: 大阪大学, 産業科学研究所, 助教
Review Section/Research Field	Principal Investigator Basic Section 13020:Semiconductors, optical properties of condensed matter and atomic physics-related Except Principal Investigator Broad Section D / Nanostructural physics
Keywords	Principal Investigator GaAs / 単一電子スピン / スピン軌道相互作用 / 量子ドット / 超微細相互作用 / 面内pin接合 / 非ドープ型量子井戸 / 光励起 / スピン制御 / 半導体 … More / 量子情報処理 / 電子スピン / 半導体量子ドット / スピンシャトル / 多重量子ドット / 半導体物性 / 量子情報 / 1次元多重量子ドット / 電子スピン共鳴 … More Except Principal Investigator 量子ドット / スピン軌道相互作用 / 量子情報 / ゲルマニウム / シリコン / 量子情報処理 / 量子もつれ / 面内pn接合 / 相互量子時様態変換 / 電子スピン / 平面pn接合 / スピンバルブ / 相互量子状態変換 / 光子 / スピン Less

Exploring spin coherence engineering in group IV semiconductor quantum structures
- Principal Investigator
  
  小寺哲夫
- Project Period (FY)
  2023 – 2027
- Research Category
  
  Grant-in-Aid for Scientific Research (S)
- Review Section
  
  Broad Section D
- Research Institution
  Institute of Science Tokyo
Few-spin physcis in lateral quantum dots in near-zero magnetic field regimePrincipal Investigator
- Principal Investigator
  
  Fujita Takafumi
- Project Period (FY)
  2021 – 2023
- Research Category
  
  Grant-in-Aid for Early-Career Scientists
- Review Section
  
  Basic Section 13020:Semiconductors, optical properties of condensed matter and atomic physics-related
- Research Institution
  Osaka University
Single-spin resonance enhancement using spin shuttlePrincipal Investigator
- Principal Investigator
  
  Fujita Takafumi
- Project Period (FY)
  2018 – 2019
- Research Category
  
  Grant-in-Aid for Early-Career Scientists
- Review Section
  
  Basic Section 13020:Semiconductors, optical properties of condensed matter and atomic physics-related
- Research Institution
  Osaka University
Interconversion of Quantum States Between Photon and Electron Spin Using Electrically Controlled Quantum Dots
- Principal Investigator
  
  Akria Oiwa
- Project Period (FY)
  2017 – 2021
- Research Category
  
  Grant-in-Aid for Scientific Research (S)
- Research Field
  
  Nanostructural physics
- Research Institution
  Osaka University

All 2024 2023 2022 2021 2020 2019 2018 2017

All Journal Article Presentation

[Journal Article] Accelerated Adiabatic Passage of a Single Electron Spin Qubit in Quantum Dots2024
- Author(s)
  Liu Xiao-Fei, Matsumoto Yuta, Fujita Takafumi, Ludwig Arne, Wieck Andreas D., Oiwa Akira
- Journal Title
  
  Physical Review Letters
  
  Volume: 132 Issue: 2 Pages: 1-7
- DOI
  10.1103/physrevlett.132.027002
- Peer Reviewed / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-23H05455, KAKENHI-PROJECT-23H05458
[Journal Article] Electron g-factor determined for quantum dot circuit fabricated from (110)-oriented GaAs quantum well2022
- Author(s)
  T. Nakagawa, S. Lamoureux, T. Fujita, J. Ritzmann, A. Ludwig, A. D. Wieck, A. Oiwa, M. Korkusinski, A. Sachrajda, D. G. Austing, and L. Gaudreau
- Journal Title
  
  Journal of Applied Physics
  
  Volume: 131 Issue: 13
- DOI
  10.1063/5.0086555
- Peer Reviewed / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-17H06120
[Journal Article] Distinguishing persistent effects in an undoped GaAs/AlGaAs quantum well by top-gate-dependent illumination2021
- Author(s)
  T. Fujita, R. Hayashi, M. Kohda, J. Ritzmann, A. Ludwig, J. Nitta, A. D. Wieck, and A. Oiwa
- Journal Title
  
  Journal of Applied Physics
  
  Volume: 129 Issue: 23 Pages: 234301-234301
- DOI
  10.1063/5.0047558
- Peer Reviewed / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-17H06120, KAKENHI-PROJECT-21H04647, KAKENHI-PROJECT-21K13867
[Journal Article] Detection of photogenerated single electrons in a lateral quantum dot with a surface plasmon antenna2021
- Author(s)
  R. Fukai, Y. Sakai, T. Fujita, H. Kiyama, A. Ludwig, A. D. Wieck and A. Oiwa
- Journal Title
  
  Applied Physics Express
  
  Volume: 14 Issue: 12 Pages: 125001-125001
- DOI
  10.35848/1882-0786/ac336d
- Peer Reviewed / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-17H06120
[Journal Article] Characterization of a surface plasmon antenna fabricated on a gate-defined lateral quantum dot2021
- Author(s)
  Fukai Rio、Sakai Yuji、Nakagawa Tomohiro、Fujita Takafumi、Kiyama Haruki、Ludwig Arne、Wieck Andreas D.、Oiwa Akira
- Journal Title
  
  Japanese Journal of Applied Physics
  
  Volume: 60 Issue: SB Pages: SBBI01-SBBI01
- DOI
  10.35848/1347-4065/abd533
- Peer Reviewed / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-17H06120, KAKENHI-PROJECT-18J20764
[Journal Article] Noise-robust classification of single-shot electron spin readouts using a deep neural network2021
- Author(s)
  Y. Matsumoto, T. Fujita, A. Ludwig, A. D. Wieck, K. Komatani and A. Oiwa
- Journal Title
  
  npj Quantum Information
  
  Volume: 7 Issue: 1 Pages: 136-136
- DOI
  10.1038/s41534-021-00470-7
- Peer Reviewed / Open Access / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-17H06120, KAKENHI-PROJECT-21K13867
[Journal Article] Photogeneration of a single electron from a single Zeeman-resolved light-hole exciton with preserved angular momentum2019
- Author(s)
  Kuroyama K.、Larsson M.、Chang C. Y.、Muramoto J.、Heya K.、Fujita T.、Allison G.、Valentin S. R.、Ludwig A.、Wieck A. D.、Matsuo S.、Oiwa A.、Tarucha S.
- Journal Title
  
  Physical Review B
  
  Volume: 99 Issue: 8 Pages: 85203-85203
- DOI
  10.1103/physrevb.99.085203
- Peer Reviewed / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-18K13482, KAKENHI-PUBLICLY-17H05177, KAKENHI-PLANNED-26103004, KAKENHI-PROJECT-17H06120, KAKENHI-PROJECT-26220710, KAKENHI-PROJECT-18H01813, KAKENHI-PROJECT-16J03037
[Journal Article] Nonmonotonic bias dependence of local spin accumulation signals in ferromagnet/semiconductor lateral spin-valve devices2019
- Author(s)
  Fujita Y.、Yamada M.、Tsukahara M.、Naito T.、Yamada S.、Sawano K.、Hamaya K.
- Journal Title
  
  Physical Review B
  
  Volume: 100 Issue: 2 Pages: 024431-024431
- DOI
  10.1103/physrevb.100.024431
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-17H06120, KAKENHI-PROJECT-19H05616, KAKENHI-PROJECT-18J00502
[Journal Article] Angular momentum transfer from a single-photon polarization to an 1 electron spin in a gate defined quantum dot2019
- Author(s)
  Takafumi Fujita, Kazuhiro Morimoto, Haruki Kiyama, Giles Allison, Marcus Larsson Arne Ludwig, Sascha R. Valentin, Andreas D. Wieck, Akira Oiwa and Seigo Tarucha
- Journal Title
  
  Nature Communications
  
  Volume: 印刷中
- Peer Reviewed / Open Access / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-17H06120
[Journal Article] Angular momentum transfer from photon polarization to an electron spin in a gate-defined quantum dot2019
- Author(s)
  Fujita Takafumi、Morimoto Kazuhiro、Kiyama Haruki、Allison Giles、Larsson Marcus、Ludwig Arne、Valentin Sascha R.、Wieck Andreas D.、Oiwa Akira、Tarucha Seigo
- Journal Title
  
  Nature Communications
  
  Volume: 10 Issue: 1
- DOI
  10.1038/s41467-019-10939-x
- Peer Reviewed / Open Access / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-17H06120, KAKENHI-PROJECT-18K13482, KAKENHI-PROJECT-18K14079
[Journal Article] Loading a quantum-dot based "Qubyte" register2019
- Author(s)
  C. Volk, A. M. J. Zwerver, U. Mukhopadhyay, P. T. Eendebak, C. J. van Diepen, J. P. Dehollain, T. Hensgens, T. Fujita, C. Reichl, W. Wegscheider, L. M. K. Vandersypen
- Journal Title
  
  npj Quantum Information
  
  Volume: 印刷中 Issue: 1
- DOI
  10.1038/s41534-019-0146-y
- Peer Reviewed / Open Access / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-18K13482
[Journal Article] Correlation between spin transport signal and quality of the Heusler-alloy/semiconductor interface in lateral spin-valve devices2018
- Author(s)
  B. Kuerbanjiang, Y. Fujita, M. Yamada, S. Yamada, A. M. Sanchez, P. J. Hasnip, A. Ghasemi, D. Kepaptsoglou, G. Bell, K. Sawano, K. Hamaya, and V. K. Lazarov
- Journal Title
  
  Phys. Rev. B
  
  Volume: 98 Issue: 11 Pages: 115304-115304
- DOI
  10.1103/physrevb.98.115304
- Peer Reviewed / Int'l Joint Research
- Data Source
  KAKENHI-PLANNED-26103003, KAKENHI-PROJECT-17H06120, KAKENHI-PROJECT-16H02333, KAKENHI-PROJECT-18J00502
[Journal Article] ポアンカレインターフェース　－単一光子偏光から単一電子スピンへの量子インターフェース－2018
- Author(s)
  大岩顕, 藤田高史, 木山治樹, 黒山和幸, 松尾貞茂, 樽茶清悟
- Journal Title
  
  光学
  
  Volume: 47 Pages: 148-154
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-17H06120
[Journal Article] Automated tuning of inter-dot tunnel coupling in double quantum dots2018
- Author(s)
  van Diepen C. J.、Eendebak P. T.、Buijtendorp B. T.、Mukhopadhyay U.、Fujita T.、Reichl C.、Wegscheider W.、Vandersypen L. M. K.
- Journal Title
  
  Applied Physics Letters
  
  Volume: 113 Issue: 3 Pages: 033101-033101
- DOI
  10.1063/1.5031034
- Peer Reviewed / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-18K13482
[Journal Article] Spin transport and relaxation in germanium (Topical Review)2018
- Author(s)
  K. Hamaya, Y. Fujita, M. Yamada, M. Kawano, S. Yamada, and K. Sawano
- Journal Title
  
  J. Phys. D: Appl. Phys.
  
  Volume: 51 Issue: 39 Pages: 393001-393001
- DOI
  10.1088/1361-6463/aad542
- Peer Reviewed
- Data Source
  KAKENHI-PLANNED-26103003, KAKENHI-PROJECT-17H06120, KAKENHI-PROJECT-16H02333, KAKENHI-PROJECT-18J00502
[Journal Article] Spin absorption effect at ferromagnet/Ge Schottky-tunnel contacts2018
- Author(s)
  M. Yamada, Y. Fujita, S. Yamada, K. Sawano, and K. Hamaya
- Journal Title
  
  Materials
  
  Volume: １１ Issue: 1 Pages: 1501-8
- DOI
  10.3390/ma11010150
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PLANNED-26103003, KAKENHI-PROJECT-17H06120, KAKENHI-PROJECT-16H02333, KAKENHI-PROJECT-17H06832
[Journal Article] Single electron-photon pair creation from a single polarization-entangled photon pair2017
- Author(s)
  Kazuyuki Kuroyama, Marcus Larsson, Sadashige Matsuo, Takafumi Fujita, Sascha R. Valentin, Arne Ludwig, Andreas D. Wieck, Akira Oiwa, and Seigo Tarucha
- Journal Title
  
  Scientific Reports
  
  Volume: 7 Issue: 1 Pages: 169681-8
- DOI
  10.1038/s41598-017-16899-w
- Peer Reviewed / Open Access / Int'l Joint Research
- Data Source
  KAKENHI-PLANNED-26103004, KAKENHI-PROJECT-17H06120, KAKENHI-PROJECT-26220710, KAKENHI-PROJECT-16J03037
[Presentation] Single Electron Resonance with Superexchange interaction in Liner Quantum dots2024
- Author(s)
  Senda Ken-ichiro, Hideaki Yuta, Tatsuo Tsuzuki, Takafumi Fujita, Andreas Wieck, Arne Ludwig, Akira Oiwa
- Organizer
  The 27th SANKEN International Symposium
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-23H05455
[Presentation] 断熱スピン状態操作のショートカット実証2024
- Author(s)
  藤田高史
- Organizer
  スピントロニクス学術研究基盤と連携ネットワーク（Spin-RNJ）シンポジウム
- Data Source
  KAKENHI-PROJECT-23H05455
[Presentation] Adiabatic spin inversion shortcut in a quantum dot array2023
- Author(s)
  Xiao-Fei Liu, T. Fujita, Y. Matsumoto, A. Ludwig, A. D. Wieck, and A. Oiwa
- Organizer
  第12回半導体/超伝導体量子効果と量子情報の研修会
- Data Source
  KAKENHI-PROJECT-23H05455
[Presentation] 量子ドット列中のスピン輸送を応用した量子情報読み出し・操作・伝送2023
- Author(s)
  藤田高史
- Organizer
  スピン学際年次報告会
- Data Source
  KAKENHI-PROJECT-21K13867
[Presentation] Linking spin qubits in quantum-dot arrays2023
- Author(s)
  Takafumi Fujita
- Organizer
  36th International Microprocesses and Nanotechnology Conference
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-23H05455
[Presentation] 多重量子ドットにおける高速高忠実度スピン操作2023
- Author(s)
  松本雄太, 藤田高史, X.Liu, A.Ludwig, A.D.Wieck, 小池啓介, 三好健文, 大岩顕
- Organizer
  日本物理学会2023年春季大会
- Data Source
  KAKENHI-PROJECT-21K13867
[Presentation] スピン量子ビットのための量子ドット多重化とスピン伝送2023
- Author(s)
  藤田高史
- Organizer
  Spin-RNJ Symposium 2022
- Data Source
  KAKENHI-PROJECT-21K13867
[Presentation] Networking spin qubits in multi-scale2023
- Author(s)
  Takafumi Fujita
- Organizer
  12th Imec-Handai International Symposium
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-23H05455
[Presentation] 高周波のパルス変調を用いた電子スピン量子ビットの断熱反転操作高速化2023
- Author(s)
  Xial-Fei Liu、松本雄太、藤田高史、木山治樹、J.Ritzmann A、A.Ludwig A、A.D.Wieck A、大岩顕
- Organizer
  日本物理学会　2023年春季大会
- Data Source
  KAKENHI-PROJECT-21K13867
[Presentation] Speed up of adiabatic quantum state transition in single spin inversion2023
- Author(s)
  Xiao-Fei Liu, T. Fujita, Y. Matsumoto, A. Ludwig, A. D. Wieck, A. Oiwa
- Organizer
  1st International Workshop on Quantum Information Engineering (QIE2023)
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-23H05455
[Presentation] 量子ドット列を介したスピン量子ビットの断熱量子状態転送2023
- Author(s)
  湯田秀明、藤田高史、大岩顕
- Organizer
  第70回応用物理学会春季学術講演会
- Data Source
  KAKENHI-PROJECT-21K13867
[Presentation] Fast single-spin qubit operation and its coherence time enhanced by feedback control2022
- Author(s)
  Y. Matsumoto, T. Fujita, A. Ludwig, A.D. Wieck, K.Koike,T.Miyoshi, and A. Oiwa
- Organizer
  International Conference on the Physics of Semiconductors 30th
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-21K13867
[Presentation] Fast single-spin qubit operation and its coherence time enhanced by feedback control2022
- Author(s)
  Y. Matsumoto, T. Fujita, A. Ludwig, A.D. Wieck, K.Koike,T.Miyoshi, and A. Oiwa
- Organizer
  Spin qubit 5
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-21K13867
[Presentation] Coherently coupling single-spins in semiconductor quantum dots2022
- Author(s)
  T. Fujita
- Organizer
  11th imec Handai International Symposium
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-21K13867
[Presentation] Accelerated electric-dipole spin resonance in a quantum dot array2021
- Author(s)
  Takafumi Fujita
- Organizer
  9th CEMS Topical Meeting Online
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-17H06120
[Presentation] Illumination Effects on Gate-defined GaAs Quantum Dots in an Undoped Quantum Well2021
- Author(s)
  G. Fukuda, R. Hayashi, T. Fujita, M. Kohda, J. Ritzmann, A. Ludwig, J. Nitta, A. D Wieck, A. Oiwa
- Organizer
  Joint Conference: 24th International Conference on Electronic Properties of Two-Dimensional Systems 20th International Conference on Modulated Semiconductor Structures
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-21K13867
[Presentation] Fast singlet-triplet readout using a deep neural network2021
- Author(s)
  Y. Matsumoto, T. Fujita, A. Ludwig, A. D. Wieck, and A. Oiwa
- Organizer
  oint Conference: 24th International Conference on Electronic Properties of Two-Dimensional Systems 20th International Conference on Modulated Semiconductor Structures
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-17H06120
[Presentation] 三重量子ドットとスピン軌道相互作用を利用したGaAs中の単一電子スピン共鳴の研究2021
- Author(s)
  藤田高史, 松本雄太, Arne Ludwig, Andreas D. Wieck, 大岩顕
- Organizer
  日本物理学会第76回年次大会
- Data Source
  KAKENHI-PROJECT-17H06120
[Presentation] 深層学習手法を用いた量子ドット内電子スピン状態の高精度検出2021
- Author(s)
  松本雄太, 藤田高史, Arne Ludwig, Andreas D. Wieck, 大岩顕
- Organizer
  日本物理学会2021年秋季大会
- Data Source
  KAKENHI-PROJECT-21K13867
[Presentation] 横型量子ドット上の表面プラズモンアンテナの設計と特性評価2021
- Author(s)
  深井利央, 酒井裕司, 藤田高史, 木山治樹, Arne Ludwig, Andreas Dirk Wieck, 大岩顕
- Organizer
  日本物理学会第76回年次大会
- Data Source
  KAKENHI-PROJECT-17H06120
[Presentation] アンドープGaAs/AlGaAs量子井戸構造を用いた面内P-(i)-N接合の作製と評価2021
- Author(s)
  柳谷諭, 藤田高史, 福田源希, J. Ritzmann, Arne Ludwig, Andreas Dirk Wieck, 大岩顕
- Organizer
  日本物理学会第76回年次大会
- Data Source
  KAKENHI-PROJECT-17H06120
[Presentation] アンドープGaAs/AlGaAs電子量子ドットにおけるパウリスピン閉塞の観測と光照射下の安定性の研究2021
- Author(s)
  福田源希, 林亮太, 藤田高史, Julian Ritzmann, Arne Ludwig, 好田誠, 新田淳作, Andreas D Wieck, 大岩顕
- Organizer
  日本物理学会第76回年次大会
- Data Source
  KAKENHI-PROJECT-17H06120
[Presentation] 表面プラズモンアンテナを有する横型量子ドットにおける単一光生成電子検出2021
- Author(s)
  深井利央, 酒井裕司, 藤田高史, 木山治樹, Arne Ludwig, Andreas Dirk Wieck, 大岩顕
- Organizer
  本物理学会2021年秋季大会
- Data Source
  KAKENHI-PROJECT-17H06120
[Presentation] Optical emission from a lateral p-i-n junction formed in an un doped GaAs/AlGaAs quantum well2021
- Author(s)
  Takafumi Fujita, Satoshi Yanagidani, Genki Fukuda Julian Ritzmann, Arne Ludwig, Akira Oiwa
- Organizer
  Joint Conference: 24th International Conference on Electronic Properties of Two-Dimensional Systems 20th International Conference on Modulated Semiconductor Structures
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-21K13867
[Presentation] Illumination Effects on Gate-defined GaAs Quantum Dots in an Undoped Quantum Well2021
- Author(s)
  G. Fukuda, R. Hayashi, T. Fujita, M. Kohda, J. Ritzmann, A. Ludwig, J. Nitta, A. D Wieck, A. Oiwa
- Organizer
  Joint Conference: 24th International Conference on Electronic Properties of Two-Dimensional Systems 20th International Conference on Modulated Semiconductor Structures
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-17H06120
[Presentation] 深層学習手法を用いた量子ドット内電子スピン状態の高精度検出2021
- Author(s)
  松本雄太, 藤田高史, Arne Ludwig, Andreas D. Wieck, 大岩顕
- Organizer
  日本物理学会2021年秋季大会
- Data Source
  KAKENHI-PROJECT-17H06120
[Presentation] Fast singlet-triplet readout using a deep neural network2021
- Author(s)
  Y. Matsumoto, T. Fujita, A. Ludwig, A. D. Wieck, and A. Oiwa
- Organizer
  Joint Conference: 24th International Conference on Electronic Properties of Two-Dimensional Systems 20th International Conference on Modulated Semiconductor Structures
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-21K13867
[Presentation] Fabrications and characterizations for un-doped lateral p-n junction containing a gate-defined quantum dot2020
- Author(s)
  S.Yanagidani, G. Fukuda, T.Fujita, J. Ritzmann, A. Ludwig, A. D. Wieck, A.Oiwa
- Organizer
  The 23rd SANKEN International Symposium
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-17H06120
[Presentation] Conversion of angular momentum, quantum state and entanglement from photons to electron spin using gate-defined quantum dots2020
- Author(s)
  A. Oiwa,S. Matsuo, K. Kuroyama, C. Y. Chung, R. Fukai, T. Nakagawa, T. Fujita, H. Kiyama, T. Tajiri, S. Iwamoto, A. Ludwig, A. D. Wieck, and S. Tarucha
- Organizer
  New Perspective in Spin Conversion Science (NPSCS2020)
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-17H06120
[Presentation] Spin-orbit interaction induced electron spin resonance enhanced by charge tunneling between quantum dots2020
- Author(s)
  T. Fujita, Y. Matsumoto A. Ludwig, A.D. Wieck and A. Oiwa
- Organizer
  New Perspective in Spin Conversion Science (NPSCS2020)
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-17H06120
[Presentation] 横型量子ドット上に作製した表面プラズモンアンテナの特性評価横型量子ドット上に作製した表面プラズモンアンテナの特性評価鳴2020
- Author(s)
  深井利央, 酒井裕司, 中川智裕, 藤田高史, 木山治樹, Arne Ludwig, Andreas Dirk Wieck, 大岩顕
- Organizer
  日本物理学会第75回年次大会
- Data Source
  KAKENHI-PROJECT-17H06120
[Presentation] Noise robust classification of single-shot electron spin readouts using a deep neural network2020
- Author(s)
  Y. Matsumoto, T. Fujita, A. Ludwig, A. D. Wieck, A. Oiwa
- Organizer
  第76回産研学術講演会
- Data Source
  KAKENHI-PROJECT-17H06120
[Presentation] Spin-orbit induced spin manipulation by spin shuttling in multiple dots2020
- Author(s)
  . Matsumoto, T. Fujita, A. Ludwig, A. D. Wieck, A. Oiwa
- Organizer
  11th International Conference on Quantum Dots (QD2020)
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-17H06120
[Presentation] Study of the undoped GaAs/AlGaAs mesoscopic structures toward a photon-spin quantum interface utilizing gate-defined quantum dots2020
- Author(s)
  Genki FUKUDA, Ryota HAYASHI, Takafumi FUJITA, Yasushi KANAI, Makoto KOHDA,Haruki KIYAMA, Julian RITZMANN, Arne LUDWIG, Kazuhiko MATSUMOTO, Junsaku NITTA, Andreas D. WIECK, and Akira OIWA
- Organizer
  The 23rd SANKEN International Symposium
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-17H06120
[Presentation] Radio frequency reflectometry based dispersive gate readout on GaAs quantum dot2020
- Author(s)
  Junwei GAO, Yuta MATSUMOTO, Takafumi FUJITA, Akira OIWA
- Organizer
  The 23rd SANKEN International Symposium
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-17H06120
[Presentation] Characterization of a surface plasmon antenna fabricated on a gate-defined lateral quantum dot2020
- Author(s)
  Rio Fukai, Yuji Sakai, Tomohiro Nakagawa, Takafumi Fujita, Haruki Kiyama, Arne Ludwig, Andreas D. Wieck and Akira Oiwa
- Organizer
  2020 International Conference on Solid State Devices and Materials (SSDM2020)
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-17H06120
[Presentation] Noise-robust classification of electron spin readouts using a convolutional neural network2020
- Author(s)
  Yuta Matsumoto,Takafumi Fujita, Arne Ludwig, Andreas D. Wieck, Kazunori Komatani, Akira Oiwa
- Organizer
  Spin-RNJ若手オンライン研究発表会
- Data Source
  KAKENHI-PROJECT-17H06120
[Presentation] Spin detection and irradiation effects on undoped GaAs/AlGaAs quantum dots toward a stable photon-spin quantum interface2020
- Author(s)
  G. Fukuda, R. Hayashi, T. Fujita, M. Kohda, J. Ritzmann, A. Ludwig, J. Nitta,A. D. Wieck, A. Oiwa
- Organizer
  10th Workshop on semiconductor/superconductor quantum coherence effect and quantum information
- Data Source
  KAKENHI-PROJECT-17H06120
[Presentation] GaAs系横型量子ドット列中の電子振動を使ったスピン共鳴2020
- Author(s)
  藤田高史, 松本雄太, Arne Ludwig, Andreas D. Wieck, 大岩
- Organizer
  日本物理学会第75回年次大会
- Data Source
  KAKENHI-PROJECT-18K13482
[Presentation] Noise-robust classification of electron spin readouts using a deep neural network2020
- Author(s)
  Yuta Matsumoto,Takafumi Fujita, Arne Ludwig, Andreas D. Wieck, Kazunori Komatani, Akira Oiwa
- Organizer
  10th Workshop on semiconductor/superconductor quantum coherence effect and quantum information
- Data Source
  KAKENHI-PROJECT-17H06120
[Presentation] GaAs系横型量子ドット列中の電子振動を使ったスピン共鳴2020
- Author(s)
  藤田高史, 松本雄太, Arne Ludwig, Andreas D. Wieck, 大岩顕
- Organizer
  日本物理学会第75回年次大会
- Data Source
  KAKENHI-PROJECT-17H06120
[Presentation] Fabrication and evaluation of 2DHG and lateral P-i-N junctions for single photon emitters2020
- Author(s)
  S. Yanagidani, T. Fujita, G. Fukuda, J. Ritzmann, A. Ludwig, A. D. Wieck, A. Oiwa
- Organizer
  10th Workshop on semiconductor/superconductor quantum coherence effect and quantum information
- Data Source
  KAKENHI-PROJECT-17H06120
[Presentation] 横型量子ドット上に作製した表面プラズモンアンテナの特性評価横型量子ドット上に作製した表面プラズモンアンテナの特性評価鳴2020
- Author(s)
  深井利央, 酒井裕司, 中川智裕, 藤田高史, 木山治樹, Arne Ludwig, Andreas Dirk Wieck, 大岩顕
- Organizer
  日本物理学会第75回年次大会
- Data Source
  KAKENHI-PROJECT-18K13482
[Presentation] アンドープGaAs/AlGaAs 量子ドットを用いた二電子スピン相関検出と光照射安定性2020
- Author(s)
  G. Fukuda, R. Hayashi, T. Fujita, M. Kohda, J. Ritzmann, A. Ludwig, J. Nitta,A. D. Wieck, A. Oiwa
- Organizer
  第２５回半導体におけるスピン工学の基礎と応用
- Data Source
  KAKENHI-PROJECT-17H06120
[Presentation] Irradiation Effects on Induced Electron Conductivity in an un-doped GaAs/AlGaAs Quantum Well Hall Bar2019
- Author(s)
  Takafumi Fujita,, Ryota Hayashi, Makoto Kohda, Julian Ritzmann, Arne Ludwid, Junsaku Nitta, Andreas D. Wieck, and Akira Oiw
- Organizer
  Cmpound Semiconductor Week 2019 (CSW2019)
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-18K13482
[Presentation] Spin-orbit interaction induced electron spin resonance enhanced by charge tunneling between quantum dots2019
- Author(s)
  T. Fujita, Y. Matsumoto A. Ludwig, A.D. Wieck and A. Oiwa
- Organizer
  New Perspective in Spin Conversion Science (NPSCS2020)
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-18K13482
[Presentation] 子ドット間のトンネルによる単一スピンへのスピン軌道相互作用の影響2019
- Author(s)
  松本雄太, 藤田高史, H Ebler, A Ludwig, A Wieck, 大岩顯
- Organizer
  日本物理学会2019年秋季大会
- Data Source
  KAKENHI-PROJECT-17H06120
[Presentation] アンドープGaAs/AlGaAs量子井戸における2次元電子系に対する光照射の影響2019
- Author(s)
  林亮太, 藤田高史, 井手西広樹, 好田誠, 新田淳作, J.Ritzmann, A.Ludwig, A.D.Wieck, 大岩顕
- Organizer
  日本物理学会2019年春季大会
- Data Source
  KAKENHI-PROJECT-17H06120
[Presentation] Fabrication and Irradiation Effects of Field-Induced Two-Dimensional Electron Gas in Dopant-Etched ModulationDoped GaAs/AlGaAs Heterostructures2019
- Author(s)
  G. Fukuda, T. Fujita, Y. Kanai, K. Matsumoto, J. Ritzmann, A. Ludwig, A.D. Wieck, A. Oiwa
- Organizer
  52th International Conference on Solid State Devices and Materials (SSDM2019)
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-17H06120
[Presentation] Fabrication and Irradiation Effects of Field-Induced Two-Dimensional Electron Gas in Dopant-Etched ModulationDoped GaAs/AlGaAs Heterostructures2019
- Author(s)
  G. Fukuda, T. Fujita, Y. Kanai, K. Matsumoto, J. Ritzmann, A. Ludwig, A.D. Wieck, A. Oiwa
- Organizer
  52th International Conference on Solid State Devices and Materials (SSDM2019)
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-18K13482
[Presentation] Fast DC Scanning Method for Tuning Quantum Dots2019
- Author(s)
  Y. Matsumoto, T. Fujita, H. C. Ebler, A. Ludwig, A. D. Wieck, A. Oiwa
- Organizer
  21th International Conference on Electron Dynamics in Semiconductors, Optoelectronics and Nanostructures (EDISON21)
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-17H06120
[Presentation] Irradiation Effects on Induced Electron Conductivity in an Un-doped GaAs/ AlGaAs Quantum Well Hall Bar2019
- Author(s)
  T. Fujita, R. Hayashi, M. Kohda, J. Ritzmann, A. Ludwig, J. Nitta, A. D Wieck, A. Oiwa,
- Organizer
  21th International Conference on Electron Dynamics in Semiconductors, Optoelectronics and Nanostructures (EDISON21)
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-17H06120
[Presentation] Fabrication and Irradiation Effects of Two-Dimensional Electron Gas on Etched Undoped GaAs/AlGaAs Heterostructures Utilizing Modulation-Doped Ohmic Contacts2019
- Author(s)
  G. Fukuda, T. Fujita, Y. Kanai, K. Matsumoto, J. Ritzmann, A. Ludwig, A. D. Wieck, A. Oiwa
- Organizer
  21th International Conference on Electron Dynamics in Semiconductors, Optoelectronics and Nanostructures (EDISON21)
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-17H06120
[Presentation] Fabrication and Irradiation Effects of Two-Dimensional Electron Gas on Etched Undoped GaAs/AlGaAs Heterostructures Utilizing Modulation-Doped Ohmic Contacts2019
- Author(s)
  Genki Fukuda, Takafumi Fujita, Yasushi Kanai, Kazuhiko Matsumoto, Julian Ritzmann, Alfred Ludwig, Andreas D. Wieck, Akira Oiwa
- Organizer
  The 21st International Conference on Electron Dynamics in Semiconductors, Optoelectronics and Nanostructures (EDISON21)
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-18K13482
[Presentation] Fast DC Scanning Method for Tuning Quantum Dots2019
- Author(s)
  Yuta Matsumoto, Takafumi Fujita , H. C. Ebler, Alfred Ludwig, Andreas D. Wieck, Akira Oiwa
- Organizer
  The 21st International Conference on Electron Dynamics in Semiconductors, Optoelectronics and Nanostructures (EDISON21)
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-18K13482
[Presentation] Irradiation Effects on Induced Electron Conductivity in an un-doped GaAs/AlGaAs Quantum Well Hall Bar2019
- Author(s)
  [16] T. Fujita, R. Hayashi, M. Kohda, J. Ritzmann, A. Ludwig, J. Nitta, A. D. Wieck, and A. Oiwa
- Organizer
  平成30年度ナノスピン変換科学年次報告会
- Data Source
  KAKENHI-PROJECT-17H06120
[Presentation] 量子ドット間のトンネルによる単一スピンへのスピン軌道相互作用の影響2019
- Author(s)
  松本雄太, 藤田高史, H Ebler, A Ludwig, A Wieck, 大岩顯
- Organizer
  日本物理学会　2019年秋季大会
- Data Source
  KAKENHI-PROJECT-18K13482
[Presentation] Irradiation Effects on Induced Electron Conductivity in an Un-doped GaAs/ AlGaAs Quantum Well Hall Bar2019
- Author(s)
  Takafumi Fujita1, Ryota Hayashi, Makoto Kohda, Julian Ritzmann, Arne Ludwid, Junsaku Nitta, Andreas D Wieck, Akira Oiwa
- Organizer
  The 21st International Conference on Electron Dynamics in Semiconductors, Optoelectronics and Nanostructures (EDISON21)
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-18K13482
[Presentation] Irradiation Effects on Induced Electron Conductivity in an un-doped GaAs/AlGaAs Quantum Well Hall Bar2019
- Author(s)
  T. Fujita, R. Hayashi, M. Kohda, J. Ritzmann, A. Ludwid, J. Nitta, A. D. Wieck, and A. Oiwa
- Organizer
  Compound Semiconductor Week 2019 (CSW2019)
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-17H06120
[Presentation] 変調ドープオーミック接触を用いた電界誘起二次元電子系の作製と光安定性の評価2019
- Author(s)
  福田源希, 林亮太, 藤田高史, 金井康, 松本和彦, J.Ritzmann, A.Ludwig, A.D.Wieck, 大岩顕
- Organizer
  日本物理学会2019年春季大会
- Data Source
  KAKENHI-PROJECT-17H06120
[Presentation] Room-temperature spin transport in n-Ge probed by four-terminal nonlocal measurements2018
- Author(s)
  M. Yamada, M. Tsukahara, Y. Fujita, T. Naito, S. Yamada, K. Sawano, and K. Hamaya
- Organizer
  第79回応用物理学会秋季学術講演会
- Invited
- Data Source
  KAKENHI-PROJECT-17H06120
[Presentation] Room-temperature spin transport in n-Ge probed by four-terminal nonlocal measurements2018
- Author(s)
  山田道洋、塚原誠人、藤田裕一、内藤貴大、山田晋也、澤野憲太郎、浜屋宏平
- Organizer
  第65回応用物理学会春季学術講演会「シリコンテクノロジー分科会論文賞　受賞講演」
- Invited
- Data Source
  KAKENHI-PROJECT-17H06120
[Presentation] Spin transport in Ge and SiGe2018
- Author(s)
  M. Yamada, M. Tsukahara, Y. Fujita, T. Naito, S. Yamada, K. Sawano, and K. Hamaya
- Organizer
  CSRN-Osaka Annual Workshop 2018
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-17H06120
[Presentation] Local magnetoresistance effect at room temperature in Co2FeAlxSi1-x/n-Ge lateral spin-valve devices2018
- Author(s)
  M. Yamada, M. Tsukahara, T. Naito, Y. Fujita, S. Yamada, K. Sawano, and K. Hamaya
- Organizer
  One-Day Symposium on Spintronics Properties of Graphene and Related 2D Materials
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-17H06120
[Presentation] 1次元量子ドット配列内の単一電子スピンコヒーレンスの研究2018
- Author(s)
  藤田高史
- Organizer
  第17回低温工学・超電導若手合同講演会
- Data Source
  KAKENHI-PROJECT-18K13482
[Presentation] Transport through quantum dots formed in a (110) GaAs quantum well2018
- Author(s)
  T. Nakagawa, R. Fukai, Y. Sakai, T. Fujita, H. Kiyama, T. Nakajima, J. Ritzmann, A. Ludwig, A. D. Wieck, S. Tarucha, and A. Oiwa
- Organizer
  Spin qubit 4
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-17H06120
[Presentation] Observation of local spin signals at room temperature in germanium lateral devices2018
- Author(s)
  M. Tsukahara, M. Yamada, T. Naito, Y. Fujita, S. Yamada, K. Sawano, and K. Hamaya
- Organizer
  INTERMAG 2018
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-17H06120
[Presentation] アンドープGaAs/AlGaAs 量子井戸を用いたMOSデバイスの作製と界面準位による不安定性2018
- Author(s)
  林亮太, 藤田高史, 井手西広樹, 好田誠, 新田淳作, 大岩顕
- Organizer
  第12回物性科学領域横断研究会
- Data Source
  KAKENHI-PROJECT-17H06120

1. Akria Oiwa (10321902)

# of Collaborated Projects: 1 results

# of Collaborated Products: 43 results
2. 木山治樹 (80749515)

# of Collaborated Projects: 1 results

# of Collaborated Products: 12 results
3. 浜屋宏平 (90401281)

# of Collaborated Projects: 1 results

# of Collaborated Products: 9 results
4. 小寺哲夫 (00466856)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
5. 都倉康弘 (20393788)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
6. 米田淳 (60734366)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
7. 武田健太 (80755877)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
8. 澤野憲太郎 (90409376)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results

Fujita Takafumi 藤田 高史

Research Projects

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Co-Researchers

Exploring spin coherence engineering in group IV semiconductor quantum structures

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Few-spin physcis in lateral quantum dots in near-zero magnetic field regimePrincipal Investigator

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Single-spin resonance enhancement using spin shuttlePrincipal Investigator

Principal Investigator

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Interconversion of Quantum States Between Photon and Electron Spin Using Electrically Controlled Quantum Dots

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[Journal Article] Accelerated Adiabatic Passage of a Single Electron Spin Qubit in Quantum Dots2024

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[Journal Article] Electron g-factor determined for quantum dot circuit fabricated from (110)-oriented GaAs quantum well2022

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[Journal Article] Distinguishing persistent effects in an undoped GaAs/AlGaAs quantum well by top-gate-dependent illumination2021

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[Journal Article] Detection of photogenerated single electrons in a lateral quantum dot with a surface plasmon antenna2021

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[Journal Article] Characterization of a surface plasmon antenna fabricated on a gate-defined lateral quantum dot2021

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[Journal Article] Noise-robust classification of single-shot electron spin readouts using a deep neural network2021

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[Journal Article] Photogeneration of a single electron from a single Zeeman-resolved light-hole exciton with preserved angular momentum2019

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[Journal Article] Nonmonotonic bias dependence of local spin accumulation signals in ferromagnet/semiconductor lateral spin-valve devices2019

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[Journal Article] Angular momentum transfer from a single-photon polarization to an 1 electron spin in a gate defined quantum dot2019

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[Journal Article] Angular momentum transfer from photon polarization to an electron spin in a gate-defined quantum dot2019

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[Journal Article] Loading a quantum-dot based "Qubyte" register2019

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Fujita Takafumi 藤田高史

[Journal Article] ポアンカレインターフェース　－単一光子偏光から単一電子スピンへの量子インターフェース－2018