Arai Keigo 荒井慧悟

Researcher Number	10786792
Other IDs	https://orcid.org/0000-0002-7676-5726
Affiliation (Current)	2026: 東京科学大学, 工学院, 准教授
Affiliation (based on the past Project Information) *help	2026: 東京科学大学, 工学院, 准教授 2024: 東京科学大学, 工学院, 准教授 2023: 東京工業大学, その他部局等, 准教授 2022 – 2023: 東京工業大学, 工学院, 准教授 2020 – 2021: 東京工業大学, 工学院, 助教
Review Section/Research Field	Principal Investigator Basic Section 29010:Applied physical properties-related / Medium-sized Section 29:Applied condensed matter physics and related fields / 0402:Nano/micro science, applied condensed matter physics, applied physics and engineering, and related fields
Keywords	Principal Investigator 量子センシング / ダイヤモンド / NVセンター / ダイヤモンドアンビルセル / 超伝導 / 高圧 / 窒素・空孔欠陥 / 幾何学操作 / 量子シミュレーション / 相転移 … More / トポロジカル / 幾何位相 / 量子もつれ状態 / トポロジカル・シミュレーション / 高圧超伝導体 / ホウ素ドープダイヤモンド / ダイヤモンドアンビル / 超高圧 / 高圧超伝導 / 極限環境 / 高温高圧 / イメージング / コヒーレンス / NMR / ノイズ・スぺクトロスコピー / ノイズ・スペクトロスコピー / 電子スピン / 量子制御 Less

ダイヤモンド量子イメージングによる水素化物超伝導体の特性評価Principal Investigator
- Principal Investigator
  
  荒井慧悟
- Project Period (FY)
  2026 – 2029
- Research Category
  
  Grant-in-Aid for Scientific Research (A)
- Review Section
  
  Medium-sized Section 29:Applied condensed matter physics and related fields
- Research Institution
  Institute of Science Tokyo
ダイヤモンド量子センサの耐超高圧化と室温超伝導体の探索Principal Investigator
- Principal Investigator
  
  荒井慧悟
- Project Period (FY)
  2024 – 2026
- Research Category
  
  Fund for the Promotion of Joint International Research (Fostering Joint International Research)
- Review Section
  
  Basic Section 29010:Applied physical properties-related
- Research Institution
  Institute of Science Tokyo
Nanoscale characterization of high-pressure superconductors using diamond quantum sensingPrincipal Investigator
- Principal Investigator
  
  荒井慧悟
- Project Period (FY)
  2024 – 2025
- Research Category
  
  Grant-in-Aid for Scientific Research (B)
- Review Section
  
  Basic Section 29010:Applied physical properties-related
- Research Institution
  Institute of Science Tokyo
Geometrical control of solid-state spin systems and development to topological quantum simulationsPrincipal Investigator
- Principal Investigator
  
  荒井慧悟
- Project Period (FY)
  2024 – 2025
- Research Category
  
  Grant-in-Aid for Challenging Research (Exploratory)
- Review Section
  
  Medium-sized Section 29:Applied condensed matter physics and related fields
- Research Institution
  Institute of Science Tokyo
Nanoscale high-pressure high-temperature imaging using diamond quantum sensorPrincipal Investigator
- Principal Investigator
  
  ARAI KEIGO
- Project Period (FY)
  2021 – 2023
- Research Category
  
  Grant-in-Aid for Early-Career Scientists
- Review Section
  
  Basic Section 29010:Applied physical properties-related
- Research Institution
  Tokyo Institute of Technology
Extension of nitrogen-vacancy center spin coherence time by controlling P1 center spin bath in diamondPrincipal Investigator
- Principal Investigator
  
  Arai Keigo
- Project Period (FY)
  2020 – 2022
- Research Category
  
  Grant-in-Aid for Research Activity Start-up
- Review Section
  
  0402:Nano/micro science, applied condensed matter physics, applied physics and engineering, and related fields
- Research Institution
  Tokyo Institute of Technology

All 2025 2024 2023 2022

All Journal Article Presentation Patent

[Journal Article] Coherent control of solid-state defect spins via patterned boron-doped diamond circuit2024
- Author(s)
  Masahiro Ohkuma, Eikichi Kimura, Ryo Matsumoto, Shumpei Ohyama, Saki Tsuchiya, Harim Lim, Yong Soo Lee, Junghyun Lee, Yoshihiko Takano, Keigo Arai
- Journal Title
  
  arXiv
  
  Volume: 2412.15586
- Open Access / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-23KK0267
[Journal Article] Coherent control of solid-state defect spins via patterned boron-doped diamond circuit2024
- Author(s)
  Masahiro Ohkuma, Eikichi Kimura, Ryo Matsumoto, Shumpei Ohyama, Saki Tsuchiya, Harim Lim, Yong Soo Lee, Junghyun Lee, Yoshihiko Takano, Keigo Arai
- Journal Title
  
  arXiv
  
  Volume: 2412.15586
- Open Access / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-23K26528
[Patent] 探傷システム、探傷方法、及び探傷プログラム2025
- Inventor(s)
  真島浩、荒井慧悟、小場瑛介、齊藤鷹規、後藤征司、中川豊伸
- Industrial Property Rights Holder
  真島浩、荒井慧悟、小場瑛介、齊藤鷹規、後藤征司、中川豊伸
- Industrial Property Rights Type
  特許
- Industrial Property Number
  2025-033689
- Filing Date
  2025
- Data Source
  KAKENHI-PROJECT-23K26528
[Patent] 核スピンの偏極方法、核スピンの偏極プログラム及び核スピン偏極装置2025
- Inventor(s)
  荒井慧悟、木村詠吉、リージョンヒョン
- Industrial Property Rights Holder
  荒井慧悟、木村詠吉、リージョンヒョン
- Industrial Property Rights Type
  特許
- Industrial Property Number
  2025-015640
- Filing Date
  2025
- Data Source
  KAKENHI-PROJECT-24K21730
[Patent] 探傷システム、探傷方法、及び探傷プログラム2025
- Inventor(s)
  真島浩、荒井慧悟、小場瑛介、齊藤鷹規、後藤征司、中川豊伸
- Industrial Property Rights Holder
  真島浩、荒井慧悟、小場瑛介、齊藤鷹規、後藤征司、中川豊伸
- Industrial Property Rights Type
  特許
- Industrial Property Number
  2025-033689
- Filing Date
  2025
- Data Source
  KAKENHI-PROJECT-24K21730
[Patent] 核スピンの偏極方法、核スピンの偏極プログラム及び核スピン偏極装置2025
- Inventor(s)
  荒井慧悟、木村詠吉、リージョンヒョン
- Industrial Property Rights Holder
  荒井慧悟、木村詠吉、リージョンヒョン
- Industrial Property Rights Type
  特許
- Industrial Property Number
  2025-015640
- Filing Date
  2025
- Data Source
  KAKENHI-PROJECT-23K26528
[Presentation] 高圧環境でのダイヤモンド量子センシング2025
- Author(s)
  木村詠吉，大隈理央，大山隼平，手塚海羽，小野田忍，門林宏和，河口沙織，東真太郎，太田健二，荒井慧悟
- Organizer
  第11回愛媛大学先進超高圧科学研究拠点(PRIUS)シンポジウム
- Data Source
  KAKENHI-PROJECT-23K26528
[Presentation] Exploiting the nuclear spin of NV centers in misaligned magnetic fields for robust quantum memory2024
- Author(s)
  Eikichi Kimura、Jiwon Jeon、Junghyun Lee、Keigo Arai
- Organizer
  The 7th QST international Symposium
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-24K21730
[Presentation] ダイヤモンド量子系の任意磁場下での核スピン偏極2024
- Author(s)
  木村詠吉、Junghyun Lee、荒井慧悟
- Organizer
  第85回応用物理学会秋季学術講演会
- Data Source
  KAKENHI-PROJECT-24K21730
[Presentation] Imaging of biomagnetism using diamond quantum sensors2023
- Author(s)
  Keigo Arai
- Organizer
  The 70th JSAP Spring Meeting 2023
- Invited
- Data Source
  KAKENHI-PROJECT-20K22480
[Presentation] Diamond quantum sensing and high-pressure imaging applications2022
- Author(s)
  Keigo Arai
- Organizer
  NanoFrontier Materials Conference 2022
- Invited
- Data Source
  KAKENHI-PROJECT-21K14524

1. 松本凌 (10883960)

# of Collaborated Projects: 1 results

# of Collaborated Products: 1 results
2. 東真太郎 (60771293)

# of Collaborated Projects: 1 results

# of Collaborated Products: 1 results

Arai Keigo 荒井 慧悟

Research Projects

Research Products

Co-Researchers

ダイヤモンド量子イメージングによる水素化物超伝導体の特性評価Principal Investigator

Principal Investigator

Project Period (FY)

Research Category

Review Section

Research Institution

ダイヤモンド量子センサの耐超高圧化と室温超伝導体の探索Principal Investigator

Principal Investigator

Project Period (FY)

Research Category

Review Section

Research Institution

Nanoscale characterization of high-pressure superconductors using diamond quantum sensingPrincipal Investigator

Principal Investigator

Project Period (FY)

Research Category

Review Section

Research Institution

Geometrical control of solid-state spin systems and development to topological quantum simulationsPrincipal Investigator

Principal Investigator

Project Period (FY)

Research Category

Review Section

Research Institution

Nanoscale high-pressure high-temperature imaging using diamond quantum sensorPrincipal Investigator

Principal Investigator

Project Period (FY)

Research Category

Review Section

Research Institution

Extension of nitrogen-vacancy center spin coherence time by controlling P1 center spin bath in diamondPrincipal Investigator

Principal Investigator

Project Period (FY)

Research Category

Review Section

Research Institution

[Journal Article] Coherent control of solid-state defect spins via patterned boron-doped diamond circuit2024

Author(s)

Journal Title

Data Source

[Journal Article] Coherent control of solid-state defect spins via patterned boron-doped diamond circuit2024

Author(s)

Journal Title

Data Source

[Patent] 探傷システム、探傷方法、及び探傷プログラム2025

Inventor(s)

Industrial Property Rights Holder

Industrial Property Rights Type

Industrial Property Number

Filing Date

Data Source

[Patent] 核スピンの偏極方法、核スピンの偏極プログラム及び核スピン偏極装置2025

Inventor(s)

Industrial Property Rights Holder

Industrial Property Rights Type

Industrial Property Number

Filing Date

Data Source

[Patent] 探傷システム、探傷方法、及び探傷プログラム2025

Inventor(s)

Industrial Property Rights Holder

Industrial Property Rights Type

Industrial Property Number

Filing Date

Data Source

[Patent] 核スピンの偏極方法、核スピンの偏極プログラム及び核スピン偏極装置2025

Inventor(s)

Industrial Property Rights Holder

Industrial Property Rights Type

Industrial Property Number

Filing Date

Data Source

[Presentation] 高圧環境でのダイヤモンド量子センシング2025

Author(s)

Organizer

Data Source

Arai Keigo 荒井慧悟