Akatsuka Tomoya 赤塚友哉

… Alternative Names

赤塚友哉アカツカトモヤ

AKATSUKA Tomoya 赤塚友哉

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Researcher Number	90548257
Affiliation (Current)	2025: 日本電信電話株式会社NTT物性科学基礎研究所, 量子科学イノベーション研究部, 主任研究員
Affiliation (based on the past Project Information) *help	2021 – 2023: 日本電信電話株式会社NTT物性科学基礎研究所, 量子科学イノベーション研究部, 主任研究員 2020: 日本電信電話株式会社NTT物性科学基礎研究所, フロンティア機能物性研究部, 主任研究員 2017 – 2019: 日本電信電話株式会社NTT物性科学基礎研究所, 量子光物性研究部, 主任研究員 2013: 理化学研究所, 特別研究員
Review Section/Research Field	Except Principal Investigator Medium-sized Section 30:Applied physics and engineering and related fields / Optical engineering, Photon science / Science and Engineering
Keywords	Except Principal Investigator マイクロ波 / スーパーコンティニューム光 / 位相雑音 / 電気光学変調 / 光周波数コム / 高性能レーザー / 光電変換 / シリコンフォトニクス / スーパーコンティニューム光発生 / 広帯域光発生 … More / 応用光学・量子光工学 / スーパーコンティニューウム / 光源技術 / キャリアエンベロープオフセット / 自己参照干渉法 / ミリ波 / 原子分子物理 / 超精密計測 / 量子エレクトロニクス / 物理定数 Less

Demonstration of an On-Chip Absolute Phase-Controlled Electro-Optic Modulation Comb for High-Precision Time-Frequency Synchronization
- Principal Investigator
  
  ISHIZAWA Atsushi
- Project Period (FY)
  2020 – 2023
- Research Category
  
  Grant-in-Aid for Scientific Research (A)
- Review Section
  
  Medium-sized Section 30:Applied physics and engineering and related fields
- Research Institution
  Nihon University
  NTT Basic Research Laboratories
Ultra-high precision frequency conversion using an electro-optic-modulation comb
- Principal Investigator
  
  Ishizawa Atsushi
- Project Period (FY)
  2017 – 2019
- Research Category
  
  Grant-in-Aid for Scientific Research (B)
- Research Field
  
  Optical engineering, Photon science
- Research Institution
  NTT Basic Research Laboratories
Search for temporal variation of the fundamental constants by using single-ion optical clocks
- Principal Investigator
  
  SUGIYAMA Kazuhiko
- Project Period (FY)
  2009 – 2013
- Research Category
  
  Grant-in-Aid for Scientific Research on Innovative Areas (Research in a proposed research area)
- Review Section
  
  Science and Engineering
- Research Institution
  Kyoto University

All 2023 2022 2020 2019 2014 2013 2012 2011 2010

All Journal Article Presentation

[Journal Article] Optical-referenceless optical frequency counter with twelve-digit absolute accuracy2023
- Author(s)
  Ishizawa Atsushi、Nishikawa Tadashi、Hitachi Kenichi、Akatsuka Tomoya、Oguri Katsuya
- Journal Title
  
  Scientific Reports
  
  Volume: 13 Issue: 1 Pages: 8750-8750
- DOI
  10.1038/s41598-023-35674-8
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PROJECT-20H00357
[Journal Article] Optical frequency distribution using laser repeater staions with planar lightwave circuites2020
- Author(s)
  Tomoya Akatsuka, Takashi Goh, Hiromitsu Imai, Katsuya Oguri, Atsushi Ishizawa, Ichiro Ushijima, Noriaki Ohmae, Masao Takamoto, Hidetoshi Katori, Toshikazu Hashimoto, Hideki Gotoh, and Tetsuomi Sogawa
- Journal Title
  
  Optics Express
  
  Volume: 28 Issue: 7 Pages: 9186-9197
- DOI
  10.1364/oe.383526
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PROJECT-16H06284, KAKENHI-PROJECT-17H02803
[Journal Article] Sub-hertz-linewidth diode laser stabilized to an ultralow-drift high-finesse optical cavity2014
- Author(s)
  S. Hirata, T. Akatsuka, Y. Ohtake, and A. Morinaga
- Journal Title
  
  Applied Physics Express
  
  Volume: Vol.7, No.2 Issue: 2 Pages: 022705-022705
- DOI
  10.7567/apex.7.022705
- NAID
  210000136965
- Peer Reviewed
- Data Source
  KAKENHI-PLANNED-21104006
[Journal Article] Dispersion-shaped ac Stark phase shift of Ca intercombination transitions with a time-domain atom interferometer2012
- Author(s)
  T. Akatsuka, K. Tanihara, K. Komito, K. Ooi, and A. Morinaga
- Journal Title
  
  Physical Review A
  
  Volume: Vol.86, No.2 Issue: 2
- DOI
  10.1103/physreva.86.023418
- Peer Reviewed
- Data Source
  KAKENHI-PLANNED-21104006, KAKENHI-ORGANIZER-21104001
[Journal Article] Thermal calcium atom interferometer with a phase resolution of a few milliradians based on a narrow-linewidth diode laser2011
- Author(s)
  T.Akatsuka, Y.Mori, N.Sone, Y.Ohtake, M.Machiya, A.Morinaga
- Journal Title
  
  Physical Review A
  
  Volume: 84 Issue: 2
- DOI
  10.1103/physreva.84.023633
- Peer Reviewed
- Data Source
  KAKENHI-ORGANIZER-21104001, KAKENHI-PLANNED-21104006
[Presentation] Highly stable laser repeater system with frequency instability below 10-212022
- Author(s)
  T. Akatsuka, H. Imai, K. Arai, H. Sakuma, A. Ishizawa, K. Oguri, T. Goh, T. Hashimoto, M. Takamoto, H. Katori, H. Gotoh, T. Sogawa
- Organizer
  CLEO-PR 2022
- Data Source
  KAKENHI-PROJECT-20H00357
[Presentation] Optical-phase-conjugation-based phase noise cancellation for fiber delivery of optical frequency reference2022
- Author(s)
  Takeshi Umeki, Tomoya Akatsuka, Atsushi Ishizawa, Hiromitsu Imai, Takushi Kazama, Takahiro Kashiwazaki, Kei Watanabe, Katsuya Oguri, Ryoichi Kasahara
- Organizer
  CLEO-PR 2022
- Data Source
  KAKENHI-PROJECT-20H00357
[Presentation] Dispersion dependence of noise characteristics of an electro-opticmodulation comb2020
- Author(s)
  Kenya Hitomi, Atsushi Ishizawa, Kenichi Hitachi, Tomoya Akatsuka, Tadashi Nishikawa, Hideki Gotoh
- Organizer
  SPIE Photonic West 2020
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-17H02803
[Presentation] 空洞共振器オシレーター駆動EOコムのCEO信号を用いた低ノイズマイクロ波発生2019
- Author(s)
  石澤淳，人見賢弥，日達研一，赤塚友哉，西川正，後藤秀樹
- Organizer
  第80回応用物理学会秋季学術講演会
- Data Source
  KAKENHI-PROJECT-17H02803
[Presentation] 電気光学変調コムの位相雑音における分散依存性2019
- Author(s)
  人見賢弥、石澤淳、日達研一、赤塚友哉、西川正、後藤秀樹
- Organizer
  第80回応用物理学会秋季学術講演会
- Data Source
  KAKENHI-PROJECT-17H02803
[Presentation] Dispersion Adjustment of Electro-optic-modulation Comb2019
- Author(s)
  K. Hitomi, A. Ishizawa, K. Hitachi, T. Akatsuka, T. Nishikawa, H. Gotoh
- Organizer
  International School and Symposium on Nanoscale Transport and phoTonics 2019
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-17H02803
[Presentation] A sub-Hz linewidth diode laser stabilized to an ultra-low-drift high-finesse optical cavity2014
- Author(s)
  Shu Hirata, Tomoya Akatsuka, Taku Kumiya and Atsuo Morinaga
- Organizer
  7th International Workshop on Fundamental Physics Using Atoms (FPUA2014)
- Place of Presentation
  日本科学未来館
- Data Source
  KAKENHI-PLANNED-21104006
[Presentation] サブヘルツ線幅半導体レーザーの評価2014
- Author(s)
  平田州, 赤塚友哉, 組谷卓, 盛永篤郎
- Organizer
  日本物理学会第69回年次大会
- Place of Presentation
  東海大学湘南キャンパス
- Data Source
  KAKENHI-PLANNED-21104006
[Presentation] 精密原子分光に向けた高安定半導体レーザーの開発2013
- Author(s)
  平田州, 赤塚友哉, 盛永篤郎
- Organizer
  日本物理学会2013年秋季大会
- Place of Presentation
  徳島大学常三島キャンパス
- Data Source
  KAKENHI-PLANNED-21104006
[Presentation] Atom interferometry with a phase resolution of a few milliradians based on a narrow-linewidth diode laser2012
- Author(s)
  A.Morinaga, Y. Mori, K. Tanihara, Y. Ohtake, and T. Akatsuka
- Organizer
  The 6th International Workshop on Fundamental Physics Using Atoms
- Place of Presentation
  東北大学青葉山キャンパス
- Year and Date
  2012-09-30
- Data Source
  KAKENHI-PLANNED-21104006
[Presentation] 高位相分解能原子干渉計を用いたカルシウム原子のレントゲン位相の測定2012
- Author(s)
  森義博, 赤塚友哉, 大竹友里江, 盛永篤郎
- Organizer
  日本物理学会第67回年次大会
- Place of Presentation
  関西学院大学西宮上ヶ原キャンパス
- Year and Date
  2012-03-27
- Data Source
  KAKENHI-PLANNED-21104006
[Presentation] Ca異重項間遷移を用いた時間領域型原子干渉計の高精度化2012
- Author(s)
  谷原一矢, 赤塚友哉, 盛永篤郎
- Organizer
  日本物理学会第67回年次大会
- Place of Presentation
  関西学院大学西宮上ヶ原キャンパス
- Year and Date
  2012-03-27
- Data Source
  KAKENHI-PLANNED-21104006
[Presentation] Ca時間領域型原子干渉計を用いた異重項間遷移のシュタルク高分解能分光2011
- Author(s)
  込戸健司, 谷原一也, 赤塚友哉, 盛永篤郎
- Organizer
  日本物理学会第66回年次大会
- Place of Presentation
  新潟大学(新潟県)
- Year and Date
  2011-03-26
- Data Source
  KAKENHI-PLANNED-21104006
[Presentation] サブミリラジアン位相分解能カルシウム空間領域型原子干渉計の開発2011
- Author(s)
  森義博, 赤塚友哉, 大竹友里江, 盛永篤郎
- Organizer
  日本物理学会2011年秋季大会
- Place of Presentation
  富山大学五福キャンパス
- Year and Date
  2011-09-24
- Data Source
  KAKENHI-PLANNED-21104006
[Presentation] A thermal calcium-atom interferometer with a phase resolution of a few milliradian based on a narrow linewidth diode laser2011
- Author(s)
  T.Akatsuka, Y.Mori, Y.Ohtake, A.Morinaga
- Organizer
  20th International Conference on Laser Spectroscopy (ICOLS2011)
- Place of Presentation
  Aerzen, Germany
- Year and Date
  2011-05-30
- Data Source
  KAKENHI-PLANNED-21104006
[Presentation] Naボース凝縮体の幾何学的位相操作2010
- Author(s)
  今井弘光、赤塚友哉、盛永篤郎
- Organizer
  日本物理学会第65回年次大会
- Place of Presentation
  岡山大学(岡山県)
- Year and Date
  2010-03-22
- Data Source
  KAKENHI-PLANNED-21104006
[Presentation] Ca原子干渉計による狭線幅半導体レーザーの位相ゆらぎ評価2010
- Author(s)
  赤塚友哉、森義博、盛永篤郎
- Organizer
  日本物理学会2010年秋季大会
- Place of Presentation
  大阪府立大学(大阪府)
- Year and Date
  2010-09-23
- Data Source
  KAKENHI-PLANNED-21104006
[Presentation] Naボース凝縮体の光格子トラップ2010
- Author(s)
  赤塚友哉、今井弘光、沼崎和也、盛永篤郎
- Organizer
  日本物理学会第65回年次大会
- Place of Presentation
  岡山大学(岡山県)
- Year and Date
  2010-03-22
- Data Source
  KAKENHI-PLANNED-21104006

1. Ishizawa Atsushi (30393797)

# of Collaborated Projects: 2 results

# of Collaborated Products: 7 results
2. 西川正 (20374069)

# of Collaborated Projects: 2 results

# of Collaborated Products: 5 results
3. 増子拓紀 (60649664)

# of Collaborated Projects: 2 results

# of Collaborated Products: 0 results
4. 今井弘光 (00649551)

# of Collaborated Projects: 2 results

# of Collaborated Products: 2 results
5. SUGIYAMA Kazuhiko (10335193)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
6. TANAKA Utako (20359087)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
7. MORINAGA Atsuo (90246687)

# of Collaborated Projects: 1 results

# of Collaborated Products: 14 results
8. KITANO Masao (70115830)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
9. 日達研一 (60564276)

# of Collaborated Projects: 1 results

# of Collaborated Products: 4 results
10. 小栗克弥 (10374068)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
11. 高磊 (40650429)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
12. 徐学俊 (80593334)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
13. Cong Guangwei (20470049)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
14. 山田浩治 (50574927)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
15. 山本宗継 (00358285)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
16. TAKAMOTO Masao

# of Collaborated Projects: 0 results

# of Collaborated Products: 1 results
17. 香取秀俊

# of Collaborated Projects: 0 results

# of Collaborated Products: 1 results

Akatsuka Tomoya 赤塚 友哉

赤塚 友哉 アカツカ トモヤ

AKATSUKA Tomoya 赤塚 友哉

Research Projects

Research Products

Co-Researchers

Demonstration of an On-Chip Absolute Phase-Controlled Electro-Optic Modulation Comb for High-Precision Time-Frequency Synchronization

Principal Investigator

Project Period (FY)

Research Category

Review Section

Research Institution

Ultra-high precision frequency conversion using an electro-optic-modulation comb

Principal Investigator

Project Period (FY)

Research Category

Research Field

Research Institution

Search for temporal variation of the fundamental constants by using single-ion optical clocks

Principal Investigator

Project Period (FY)

Research Category

Review Section

Research Institution

[Journal Article] Optical-referenceless optical frequency counter with twelve-digit absolute accuracy2023

Author(s)

Journal Title

DOI

Data Source

[Journal Article] Optical frequency distribution using laser repeater staions with planar lightwave circuites2020

Author(s)

Journal Title

DOI

Data Source

[Journal Article] Sub-hertz-linewidth diode laser stabilized to an ultralow-drift high-finesse optical cavity2014

Author(s)

Journal Title

DOI

NAID

Data Source

[Journal Article] Dispersion-shaped ac Stark phase shift of Ca intercombination transitions with a time-domain atom interferometer2012

Author(s)

Journal Title

DOI

Data Source

[Journal Article] Thermal calcium atom interferometer with a phase resolution of a few milliradians based on a narrow-linewidth diode laser2011

Author(s)

Journal Title

DOI

Data Source

[Presentation] Highly stable laser repeater system with frequency instability below 10-212022

Author(s)

Organizer

Data Source

[Presentation] Optical-phase-conjugation-based phase noise cancellation for fiber delivery of optical frequency reference2022

Author(s)

Organizer

Data Source

[Presentation] Dispersion dependence of noise characteristics of an electro-opticmodulation comb2020

Author(s)

Organizer

Data Source

[Presentation] 空洞共振器オシレーター駆動EOコムのCEO信号を用いた低ノイズマイクロ波発生2019

Author(s)

Organizer

Data Source

[Presentation] 電気光学変調コムの位相雑音における分散依存性2019

Author(s)

Organizer

Data Source

[Presentation] Dispersion Adjustment of Electro-optic-modulation Comb2019

Author(s)

Organizer

Data Source

[Presentation] A sub-Hz linewidth diode laser stabilized to an ultra-low-drift high-finesse optical cavity2014

Author(s)

Organizer

Place of Presentation

Data Source

[Presentation] サブヘルツ線幅半導体レーザーの評価2014

Akatsuka Tomoya 赤塚友哉

赤塚友哉アカツカトモヤ

AKATSUKA Tomoya 赤塚友哉