Watabe Kenichi 渡部謙一

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WATABE Kenichi 渡部謙一

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Researcher Number	50358389
Affiliation (Current)	2025: 国立研究開発法人産業技術総合研究所, 計量標準総合センター, 主任研究員
Affiliation (based on the past Project Information) *help	2017: 国立研究開発法人産業技術総合研究所, 計量標準総合センター, 主任研究員 2015 – 2016: 国立研究開発法人産業技術総合研究所, 物理計測標準研究部門, 主任研究員 2009 – 2014: National Institute of Advanced Industrial Science and Technology, 計測標準研究部門, 主任研究員 2013: 産業技術総合研究所, 計測標準研究部門, 主任研究員
Review Section/Research Field	Principal Investigator Applied optics/Quantum optical engineering Except Principal Investigator General applied physics / Measurement engineering / Atomic/Molecular/Quantum electronics
Keywords	Principal Investigator 実用原子時計 / 冷却原子ビーム / イオントラップ / 原子時計 / 量子エレクトロニクス Except Principal Investigator 計測工学 / 制御工学 / 超精密計測 / アラン分散 / 振動抑制クライオスタット … More / パルス管冷凍機 / 局部発振器 / 周波数安定度 / 原子時計 / セシウム一次周波数標準器 / マイクロ波発振器 / 低温サファイア発振器 / 情報通信高額 / 光ファイバ / 同期技術 / タイミング信号 / クロック伝送 / 情報通信工学 / 光コム / 狭線幅化レーザー / 熱雑音 / 低熱膨張材料 / 周波数安定化レーザー / 光周波数標準 / 超安定化レーザー / 光共振器 / 光格子時計 / 量子エレクトロニクス Less

Development of an all cryogenic ultra-stable microwave oscillator
- Principal Investigator
  
  Ikegami Takeshi
- Project Period (FY)
  2014 – 2017
- Research Category
  
  Grant-in-Aid for Scientific Research (A)
- Research Field
  
  General applied physics
- Research Institution
  National Institute of Advanced Industrial Science and Technology
Study on Phase Stabilization of Long Optical Fiber by Bidirectional WDM
- Principal Investigator
  
  AMEMIYA Masaki
- Project Period (FY)
  2011 – 2013
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Research Field
  
  Measurement engineering
- Research Institution
  National Institute of Advanced Industrial Science and Technology
Development of ultra-stable lasers using low-thermal-noise optical cavities
- Principal Investigator
  
  HOSAKA Kazumoto
- Project Period (FY)
  2010 – 2012
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Research Field
  
  Atomic/Molecular/Quantum electronics
- Research Institution
  National Institute of Advanced Industrial Science and Technology
Research on ion-atom cold collisions for ultra-stable atomic clocksPrincipal Investigator
- Principal Investigator
  
  WATABE Kenichi
- Project Period (FY)
  2009 – 2011
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Research Field
  
  Applied optics/Quantum optical engineering
- Research Institution
  National Institute of Advanced Industrial Science and Technology

All 2018 2016 2015 2014 2013 2012 Other

All Journal Article Presentation

[Journal Article] Autonomous cryogenic sapphire oscillators employing low vibration pulse-tube cryocoolers at NMIJ2016
- Author(s)
  T.Ikegami, K.Watabe, S.Yanagimachi, A.Takamizawa, and J.G.Hartnett
- Journal Title
  
  Journal of Physics: Conference Series
  
  Volume: 印刷中
- Peer Reviewed / Acknowledgement Compliant / Open Access / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-26246038
[Journal Article] An Ultra-Stable Microwave Oscillator using a Cryogenic Sapphire Crystal Towards the Most Stable Oscillator on Earth2015
- Author(s)
  池上　健、渡部謙一
- Journal Title
  
  TEION KOGAKU (Journal of Cryogenics and Superconductivity Society of Japan)
  
  Volume: 50 Issue: 6 Pages: 322-329
- DOI
  10.2221/jcsj.50.322
- NAID
  130005087341
- ISSN
  0389-2441, 1880-0408
- Language
  Japanese
- Data Source
  KAKENHI-PROJECT-26246038
[Journal Article] Atomic Fountain Clock With Very High Frequency Stability Employing a Pulse-Tube-Cryocooled Sapphire Oscillator2014
- Author(s)
  A.Takamizawa, S.Yanagimachi, T.Tanabe, K.Hagimoto, I.Hirano, K.Watabe, T.Ikegami, and J.G.Hartnett
- Journal Title
  
  IEEE Transactions on Ultrasonics, Ferroelectrics, and Frequency Control
  
  Volume: 61 Issue: 9 Pages: 1463-1468
- DOI
  10.1109/tuffc.2014.3060
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-26246038
[Journal Article] Optical Timing Distribution System with Femtosecond Stability2012
- Author(s)
  Masaki Amemiya, Ken-ichi Watabe, Tomonari Suzuyama, Takashi Naito, Hidemi Tsuchida
- Journal Title
  
  IEEJ Transactions on Electrical and Electronic Engineering
  
  Volume: Volume 7, Issue S1 Issue: S1
- DOI
  10.1002/tee.21824
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-22540321, KAKENHI-PROJECT-23560519
[Presentation] 電気的冷却方式による低温サファイア発振器の特性2018
- Author(s)
  池上健、渡部謙一、柳町真也、高見澤昭文、萩本憲、ハートネットジョン
- Organizer
  第65回応用物理学会春季学術講演会
- Data Source
  KAKENHI-PROJECT-26246038
[Presentation] 2台の電気的冷却方式低温サファイア発振器間の周波数安定度測定2016
- Author(s)
  池上　健、渡部謙一、柳町真也、高見澤昭文、平野　育、萩本　憲、ハートネット　ジョン
- Organizer
  第63回応用物理学会春季学術講演会
- Place of Presentation
  東工大大岡山キャンパス（東京都目黒区）
- Year and Date
  2016-03-19
- Data Source
  KAKENHI-PROJECT-26246038
[Presentation] Development of the cesium fountain primary frequency standard NMIJ-F22015
- Author(s)
  A.Takamizawa, S.Yanagimachi, K.Hagimoto, I.Hirano, K.Watabe, T.Ikegami, J.G.Hartnett
- Organizer
  Emerging Scientist Workshop
- Place of Presentation
  大田市（韓国）
- Year and Date
  2015-08-26
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-26246038
[Presentation] 振動抑制冷凍機を用いた低温サファイア発振器の周波数安定度の評価2015
- Author(s)
  池上健，渡部謙一，柳町真也，平野育，萩本憲，高見澤昭文，ジョン G. ハートネット
- Organizer
  第62回応用物理学会春季学術講演会
- Place of Presentation
  東海大学（神奈川県）
- Year and Date
  2015-03-14
- Data Source
  KAKENHI-PROJECT-26246038
[Presentation] Development of cryogenic sapphire oscillators using cryocoolers at NMIJ2015
- Author(s)
  T.Ikegami, K.Watabe, S.Yanagimachi, A.Takamizawa, and J.G.Hartnett
- Organizer
  8th Symposium on Frequency Standards and Metrology
- Place of Presentation
  ポツダム（ドイツ）
- Year and Date
  2015-10-12
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-26246038
[Presentation] Toward the full evaluation of the cesium fountain NMIJ-F22015
- Author(s)
  A.Takamizawa, S.Yanagimachi, K.Hagimoto, I.Hirano, K.Watabe, T.Ikegami, J.G.Hartnett
- Organizer
  8th Symposium on Frequency Standards and Metrology
- Place of Presentation
  ポツダム（ドイツ）
- Year and Date
  2015-10-12
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-26246038
[Presentation] A Stable Timing Distribution System based on Dense-WDM2013
- Author(s)
  M. Amemiya, K. Watabe, T. Suzuyama, M. Wada, and F.L.Hong
- Organizer
  Asia-Pacific Radio Science Conference, AP-RASC'13, joint with Asia-Pacific Time and Frequency workshop, ATF'13
- Place of Presentation
  Howard International House, Taipei, Taiwan
- Data Source
  KAKENHI-PROJECT-23560519
[Presentation] A Stable Timing Distribution System based on Dense-WDM2013
- Author(s)
  M. Amemiya, K. Watabe, T. Suzuyama, M. Wada, and F.-L.Hong
- Organizer
  Asia-Pacific Radio Science Conference, AP-RASC’13, joint with Asia-Pacific Time and Frequency workshop, ATF’13
- Place of Presentation
  Howard International House, Taipei, Taiwan
- Data Source
  KAKENHI-PROJECT-23560519
[Presentation] DFBレーザーの出力と周波数の安定化2012
- Author(s)
  平野育、渡部謙一、池上健
- Organizer
  応用物理学関係連合講演会
- Place of Presentation
  早稲田大学(東京都)
- Year and Date
  2012-03-15
- Data Source
  KAKENHI-PROJECT-21560050
[Presentation] 光ファイバの位相安定化の検討
- Author(s)
  和田雅人、渡部謙一
- Organizer
  電気学会
- Place of Presentation
  工学院大学・新宿キャンパス（東京都）
- Data Source
  KAKENHI-PROJECT-23560519

1. TAKAMIZAWA Akifumi (50462833)

# of Collaborated Projects: 2 results

# of Collaborated Products: 8 results
2. HOSAKA Kazumoto (50462859)

# of Collaborated Projects: 2 results

# of Collaborated Products: 0 results
3. INABA Hajime (70356492)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
4. AMEMIYA Masaki (20392582)

# of Collaborated Projects: 1 results

# of Collaborated Products: 3 results
5. SUZUYAMA Tomonari (30359111)

# of Collaborated Projects: 1 results

# of Collaborated Products: 2 results
6. Ikegami Takeshi (60356417)

# of Collaborated Projects: 1 results

# of Collaborated Products: 8 results
7. 柳町真也 (70358216)

# of Collaborated Projects: 1 results

# of Collaborated Products: 8 results
8. HARTNETT John

# of Collaborated Projects: 1 results

# of Collaborated Products: 8 results
9. NAITO Takashi

# of Collaborated Projects: 0 results

# of Collaborated Products: 1 results

Watabe Kenichi 渡部 謙一

WATABE Kenichi 渡部 謙一

Research Projects

Research Products

Co-Researchers

Development of an all cryogenic ultra-stable microwave oscillator

Principal Investigator

Project Period (FY)

Research Category

Research Field

Research Institution

Study on Phase Stabilization of Long Optical Fiber by Bidirectional WDM

Principal Investigator

Project Period (FY)

Research Category

Research Field

Research Institution

Development of ultra-stable lasers using low-thermal-noise optical cavities

Principal Investigator

Project Period (FY)

Research Category

Research Field

Research Institution

Research on ion-atom cold collisions for ultra-stable atomic clocksPrincipal Investigator

Principal Investigator

Project Period (FY)

Research Category

Research Field

Research Institution

[Journal Article] Autonomous cryogenic sapphire oscillators employing low vibration pulse-tube cryocoolers at NMIJ2016

Author(s)

Journal Title

Data Source

[Journal Article] An Ultra-Stable Microwave Oscillator using a Cryogenic Sapphire Crystal Towards the Most Stable Oscillator on Earth2015

Author(s)

Journal Title

DOI

NAID

ISSN

Language

Data Source

[Journal Article] Atomic Fountain Clock With Very High Frequency Stability Employing a Pulse-Tube-Cryocooled Sapphire Oscillator2014

Author(s)

Journal Title

DOI

Data Source

[Journal Article] Optical Timing Distribution System with Femtosecond Stability2012

Author(s)

Journal Title

DOI

Data Source

[Presentation] 電気的冷却方式による低温サファイア発振器の特性2018

Author(s)

Organizer

Data Source

[Presentation] 2台の電気的冷却方式低温サファイア発振器間の周波数安定度測定2016

Author(s)

Organizer

Place of Presentation

Year and Date

Data Source

[Presentation] Development of the cesium fountain primary frequency standard NMIJ-F22015

Author(s)

Organizer

Place of Presentation

Year and Date

Data Source

[Presentation] 振動抑制冷凍機を用いた低温サファイア発振器の周波数安定度の評価2015

Author(s)

Organizer

Place of Presentation

Year and Date

Data Source

[Presentation] Development of cryogenic sapphire oscillators using cryocoolers at NMIJ2015

Author(s)

Organizer

Place of Presentation

Year and Date

Data Source

[Presentation] Toward the full evaluation of the cesium fountain NMIJ-F22015

Watabe Kenichi 渡部謙一

WATABE Kenichi 渡部謙一