TAKEUCHI Naoki

Affiliation

Institute of Advanced Sciences

Job Title

Specially Appointed Associate Professor

Research Fields, Keywords

Superconducting electronics



ORCID  https://orcid.org/0000-0003-0396-5222

The Best Research Achievement in Research Career 【 display / non-display

  • 【Awards】 文部科学大臣表彰 若手科学者賞  2021.04

    【Awards】 超伝導科学技術賞  2015.04

    【Published Thesis】 An adiabatic quantum flux parametron as an ultra-low-power logic device  2013.03

The Best Research Achievement in the last 5 years 【 display / non-display

  • 【Awards】 文部科学大臣表彰 若手科学者賞  2021.04

    【Awards】 業績賞  2021.03

    【Published Thesis】 Scalable flux controllers using adiabatic superconductor logic for quantum processors(Physical Review Research)  2023.02

    【Published Thesis】 Scalable true random number generator using adiabatic superconductor logic(Scientific Reports)  2022.11

    【Published Thesis】 Superconductor amoeba-inspired problem solvers for combinatorial optimization(Physical Review Applied)  2019.04

Education 【 display / non-display

  • 2011.10
    -
    2014.3

    Yokohama National University   Doctor Course   Completed

  • 2008.4
    -
    2010.3

    Yokohama National University   Master Course   Completed

  • 2004.4
    -
    2008.3

    Yokohama National University   Department of Electrical and Computer Engineering   Graduated

Degree 【 display / non-display

  • Doctor of Engineering - Yokohama National University

  • Master of Engineering - Yokohama National University

Campus Career 【 display / non-display

  • 2015.3
     
     

    Duty   Yokohama National UniversityInstitute of Advanced Sciences   Specially Appointed Associate Professor  

External Career 【 display / non-display

  • 2023.7
     
     

    National Institute of Advanced Industrial Science and Technology   Global Research and Development Center for Business by Quantum-AI Technology   Chief Researcher  

  • 2021.4
    -
    2023.7

    National Institute of Advanced Industrial Science and Technology   Research Center for Emerging Computing Technologies   Chief Researcher  

  • 2015.10
    -
    2019.3

    Japan Science and Technology Agency   PRESTO Researcher  

  • 2014.4
    -
    2015.2

    National Institute of Information and Communications   Advanced ICT Research Institute   Postdoctoral Researcher  

  • 2014.4
    -
    2015.2

    Japan Society for the Promotion of Science   Special researcher of the Japan Society for the Promotion of Science  

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Research Areas 【 display / non-display

  • Manufacturing Technology (Mechanical Engineering, Electrical and Electronic Engineering, Chemical Engineering) / Electron device and electronic equipment

 

Thesis for a degree 【 display / non-display

  • Extremely Energy-Efficient Integrated Circuits Using Adiabatic Superconductor Logic

    N. Takeuchi

    Yokohama Nat. Univ.   2014.3

    Doctoral Thesis   Single Work  

  • Study on Qubit Controlling Circuits for the Superconducting Quantum-Computing System

    N. Takeuchi

    Yokohama Nat. Univ.   2010.3

    Master Thesis   Single Work  

  • The improvement of a SFQ microwave chopper in order to control quantum bits

    N. Takeuchi

    Yokohama Nat. Univ.   2008.3

    Thesis(Others)   Single Work  

Papers 【 display / non-display

  • Self-resetting interface between rapid single-flux-quantum and adiabatic quantum-flux-parametron circuits

    M. Naruse, N. Yoshikawa, and N. Takeuchi

    IEEE Transactions on Applied Superconductivity   33 ( 8 )   1304704   2023.11  [Reviewed]

    DOI

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    Authorship:Last author, Corresponding author   Language:English   Publishing type:Research paper (scientific journal)   Single Work  

  • Fabrication process for monolithic integration of nitride superconductor-based superconducting qubit with single flux quantum control circuit

    S. Miyajima, T. Yamashita, M. Tanaka, N. Takeuchi, K. Inomata, and H. Terai

    IEEE Transactions on Applied Superconductivity   33 ( 5 )   1100204   2023.8  [Reviewed]

    DOI

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    Language:English   Publishing type:Research paper (scientific journal)   Single Work  

  • An adiabatic quantum-flux-parametron 8-bit ripple carry adder using delay-line clocking

    T. Yamae, N. Takeuchi, and N. Yoshikawa

    IEEE Transactions on Applied Superconductivity   33 ( 5 )   1300704   2023.8  [Reviewed]

    DOI

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    Authorship:Corresponding author   Language:English   Publishing type:Research paper (scientific journal)   Single Work  

  • Amplitude-controllable microwave pulse generator using single-flux-quantum pulse pairs for qubit control

    H. Shen, N. Takeuchi, Y. Yamanashi, and N. Yoshikawa

    Superconductor Science and Technology   36 ( 9 )   095010   2023.7  [Reviewed]

    DOI

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    Authorship:Corresponding author   Language:English   Publishing type:Research paper (scientific journal)   Single Work  

  • Sigmoid function generator using stochastic adiabatic superconductor logic

    W. Luo, O. Chen, N. Yoshikawa, and N. Takeuchi

    Applied Physics Letters   122 ( 24 )   242602   2023.6  [Reviewed]

    DOI

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    Authorship:Last author, Corresponding author   Language:English   Publishing type:Research paper (scientific journal)   Single Work  

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Review Papers 【 display / non-display

  • Adiabatic quantum-flux-parametron with delay-line clocking: Logic gate demonstration and phase skipping operation

    T. Yamae, N. Takeuchi, and N. Yoshikawa

    arXiv   2021.7

    arXiv

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    Language:English   Publishing type:Internal/External technical report, pre-print, etc.   Joint Work  

  • An adiabatic superconductor comparator with 46 nA sensitivity

    N. Takeuchi, T. Yamae, H. Suzuki, and N. Yoshikawa

    arXiv preprint   2020.10

    arXiv

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    Language:English   Publishing type:Internal/External technical report, pre-print, etc.   Joint Work  

  • Impedance design of excitation lines in adiabatic quantum-flux-parametron logic using InductEx

    N. Takeuchi, H. Suzuki, C. J. Fourie, and N. Yoshikawa

    2020.9

    arXiv

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    Language:Japanese   Publishing type:Internal/External technical report, pre-print, etc.   Joint Work  

  • Scalable readout interface for superconducting nanowire single-photon detectors using AQFP and RSFQ logic families

    N. Takeuchi, F. China, S. Miki, S. Miyajima, M. Yabuno, N. Yoshikawa, and H. Terai

    arXiv preprint   2020.4

    arXiv

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    Language:English   Publishing type:Internal/External technical report, pre-print, etc.   Joint Work  

  • Systematic method to evaluate energy dissipation in adiabatic quantum-flux-parametron logic

    T. Yamae, N. Takeuchi, and N. Yoshikawa

    arXiv preprint   2019.7

    arXiv

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    Language:English   Publishing type:Internal/External technical report, pre-print, etc.   Joint Work  

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Industrial Property Rights 【 display / non-display

  • 量子ビット制御回路

    竹内 尚輝, 吉川 信行

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    Applicant:国立大学法人横浜国立大学

    Application no:2022-033636  Date applied:2022.3.4

  • 量子ビット制御回路

    竹内 尚輝, 吉川 信行

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    Applicant:国立大学法人横浜国立大学

    Application no:2022-032905  Date applied:2022.3.3

  • 磁束バイアス回路

    竹内 尚輝, 吉川 信行, 橋本 義仁, 山本 剛, 平山 文紀

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    Applicant:国立大学法人横浜国立大学, 日本電気株式会社, 国立研究開発法人産業技術総合研究所

    Application no:2021-068575  Date applied:2021.4.14

    Country of applicant:Domestic  

  • Photon detection device

    竹内 尚輝, 三木 茂人, 寺井 弘高

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    Applicant:国立大学法人横浜国立大学, 国立研究開発法人情報通信研究機構

    Application no:PCT/JP2020/007558  Date applied:2020.2.26

    Announcement no:WO/2020/179554  Date announced:2020.9.10

    Patent/Registration no:US11656122  Date registered:2023.5.23 

  • 光子検出装置

    竹内尚輝, 三木茂人, 寺井弘高

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    Applicant:国立大学法人横浜国立大学, 国立研究開発法人情報通信研究機構

    Application no:2019-090365  Date applied:2019.5.13

    Country of applicant:Domestic  

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Awards 【 display / non-display

  • 文部科学大臣表彰 若手科学者賞

    2021.4   文部科学省   断熱超伝導ロジックを用いた極低電力集積回路の研究

    Individual or group name of awards:竹内 尚輝

  • 業績賞

    2021.3   電子情報通信学会超伝導エレクトロニクス研究会   断熱型磁束量子パラメトロンの研究

    Individual or group name of awards:竹内 尚輝

  • 活動功労表彰

    2021.3   電子情報通信学会エレクトロニクスソサイエティ  

    Individual or group name of awards:竹内 尚輝

  • 外部資金獲得研究者表彰

    2019.6   横浜国立大学  

    Individual or group name of awards:竹内 尚輝

  • 外部資金獲得研究者表彰

    2018.6   横浜国立大学  

    Individual or group name of awards:竹内 尚輝

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Grant-in-Aid for Scientific Research 【 display / non-display

  • 超低電力機械学習に向けた確率的超伝導ニューラルネットワークの創出

    Grant number:22H00220  2022.4 - 2027.3

    日本学術振興会  科学研究費補助金  Grant-in-Aid for Scientific Research(A)

    Investigator(s):竹内 尚輝

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    Authorship:Principal investigator  Grant type:Competitive

  • 位相干渉を用いた多入力スピン波電子融合回路チップの開発

    Grant number:20H02593  2020.4 - 2025.3

    日本学術振興会  科学研究費補助金  Grant-in-Aid for Scientific Research(B)

    Investigator(s):後藤 太一

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    Authorship:Coinvestigator(s)  Grant type:Competitive

  • 量子超越性を実証する超伝導スピントロニクス大規模量子計算回路の創出

    Grant number:19H05615  2019.6 - 2024.3

    日本学術振興会  科学研究費補助金  Grant-in-Aid for Scientific Research(S)

    Investigator(s):山下 太郎

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    Authorship:Coinvestigator(s)  Grant type:Competitive

  • 可逆量子磁束回路を用いた熱力学的限界を超える超低エネルギー集積回路技術の創成

    Grant number:19H05614  2019.6 - 2024.3

    日本学術振興会  科学研究費補助金  Grant-in-Aid for Scientific Research(S)

    Investigator(s):吉川 信行

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    Authorship:Coinvestigator(s)  Grant type:Competitive

  • 超伝導シングルフォトンカメラによる革新的イメージング技術の創出

    Grant number:18H05245  2018.6 - 2023.3

    日本学術振興会  科学研究費補助金  Grant-in-Aid for Scientific Research(S)

    Investigator(s):寺井 弘高

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    Authorship:Coinvestigator(s)  Grant type:Competitive

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Other external funds procured 【 display / non-display

  • 断熱超伝導回路による革新的量子ビット制御技術

    Grant number:JPMJFR212B  2022.4 - 2029.3

    Japan Science and Technology Agency  創発的研究支援事業

    Investigator(s):竹内 尚輝

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    Authorship:Principal investigator 

  • 極限的エネルギー効率を有する超伝導可逆計算機の開発

    Grant number:JPMJPR1528  2015.10 - 2019.3

    Japan Science and Technology Agency  戦略的創造研究推進事業 さきがけ

    Investigator(s):竹内 尚輝

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    Authorship:Principal investigator 

Presentations 【 display / non-display

  • 窒化物系超伝導体に基づく磁性接合を含む集積回路プロセスの開発

    宮嶋 茂之, 寺井 弘高, 山下 太郎, 田中 雅光, 竹内 尚輝, 三木 茂人

    第84回応用物理学会秋季学術講演会 

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    Event date: 2023.9

    Language:Japanese   Presentation type:Oral presentation (general)  

    Venue:熊本城ホール, 熊本県  

  • ゼロ静的消費電力で動作するシグモイド関数生成器の開発

    羅 文輝, 竹内 尚輝, 陳 オリビア, 吉川 信行

    2023年電子情報通信学会ソサイエティ大会 

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    Event date: 2023.9

    Language:Japanese   Presentation type:Oral presentation (general)  

    Venue:名古屋大学, 愛知県  

  • Bennettの可逆計算を適用した断熱量子磁束パラメトロンの検討

    山栄 大樹, 竹内 尚輝, 吉川 信行

    第84回応用物理学会秋季学術講演会 

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    Event date: 2023.9

    Language:Japanese   Presentation type:Oral presentation (general)  

    Venue:熊本城ホール, 熊本県  

  • Demonstration of a stochastic memory for stochastic computing-based AQFP circuit

    W. Luo, N. Takeuchi, O. Chen, and N. Yoshikawa

    16th European Conference on Applied Superconductivity (EUCAS 2023) 

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    Event date: 2023.9

    Language:English   Presentation type:Poster presentation  

    Venue:Bologna, Italy  

  • A new directly coupled quantum-flux-parametron logic with π-Josephson junctions

    W. Komiya, N. Takeuchi, Y. Yamanashi, and N. Yoshikawa

    16th European Conference on Applied Superconductivity (EUCAS 2023) 

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    Event date: 2023.9

    Language:English   Presentation type:Oral presentation (general)  

    Venue:Bologna, Italy  

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Past of Collaboration and Commissioned Research 【 display / non-display

  • 断熱磁束量子パラメトロンを用いた超伝導光子数識別器アレイ読み出しに関する研究

    Offer organization: 産業技術総合研究所   Cooperative Research within Japan  

    Project Year: 2020.6  -  2021.12 

  • 物流システム搬送計画最適化計算チップの共同研究開発

    Offer organization: Amoeba Energy株式会社   Cooperative Research within Japan  

    Project Year: 2019.4  -   

  • 極限的エネルギー効率を有する超伝導可逆計算機の開発

    Offer organization: 科学技術振興機構   Funded Research on Investiment  

    Project Year: 2015.10  -  2019.3 

  • 超伝導理論回路素子を用いた超伝導検出器用信号処理技術の開発

    Offer organization: 情報通信研究機構   Cooperative Research within Japan  

    Project Year: 2015.4  -   

 

Committee Memberships 【 display / non-display

  • 応用物理学会

    2022.4  講演会プログラム編集委員

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    Committee type:Academic society 

  • 第99回低温工学・超電導学会研究発表会

    2020.5  研究発表会実行委員会委員

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    Committee type:Academic society 

  • 2020年日本学術振興会超伝導エレクトロニクス第146委員会国際シンポジウム

    2020.1  幹事

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    Committee type:Academic society 

  • 電子情報通信学会超伝導エレクトロニクス研究会

    2018.6  専門委員

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    Committee type:Academic society 

  • 電子情報通信学会超伝導エレクトロニクス研究会

    2018.6 - 2020.5  幹事

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    Committee type:Academic society 

Social Contribution(Extension lecture) 【 display / non-display

  • Ultra-Low-Power Integrated Circuits Using Adiabatic Quantum-Flux-Parametron

    Role(s): Lecturer

    京都大学大学院情報学研究科通信情報システム専攻談話会  オンライン  2021.6

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    Audience: Graduate students

    Type:Lecture