Hasegawa Taro 長谷川太郎

… Alternative Names

長谷川太郎ハセガワタロウ

HASEGAWA Taro 長谷川太郎

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Researcher Number	80289305
Other IDs
External Links
Affiliation (Current)	2025: 慶應義塾大学, 理工学部(矢上), 講師
Affiliation (based on the past Project Information) *help	2021 – 2023: 慶應義塾大学, 理工学部(矢上), 講師 2016 – 2017: 慶應義塾大学, 理工学部(矢上), 講師 2015: 慶應義塾大学, 理工学部, 講師 2005: 慶應義塾大学, 理工学部, 講師 2004: 兵庫県立大学, 大学院・理学研究科, 助手 2000 – 2002: 姫路工業大学, 理学部, 助手 1996 – 1998: 山口東京理科大学, 基礎工学部, 助手
Review Section/Research Field	Principal Investigator Basic Section 30020:Optical engineering and photon science-related / Analytical chemistry / 原子・分子・量子エレクトロニクス・プラズマ Except Principal Investigator 物理学一般 / Applied optics/Quantum optical engineering
Keywords	Principal Investigator ヘテロダイン分光 / 高分解能分光 / 光周波数コム / 高速偏光変調 / 二重共鳴スペクトル / コム直接分光 / ヘテロダイン検出 / 赤外線分光 / 広帯域分光 / 位相変調 … More / CW光第3次高調波発生 / 共同冷却 / バリウムイオン / 量子計算機 / レーザー冷却 / イオントラップ … More Except Principal Investigator laser cooling / ion trap / atomic physics / charge transfer collision / frequency standards / charge transfer / collisional cross section / 衝突散乱断面図 / rfイオントラップ / 電荷移動 / 衝突散乱断面積 / レーザー冷却 / イオントラップ / 原子衝突 / 量子光学 / 原子物理学 / Synchronization of chaos / Modulation of chaos / Multi-mode laser / Gas laser / Nonlinear optical system / Chaos / 多モード系 / 同期(カオスの) / 変調(カオスの) / レーザー・カオス / 多モード / 非線形系 / レーザー / カオスの変調 / カオスの同期 / 多モードレーザー / 気体レーザー / 非線形光学系 / カオス Less

High-resolution broadband direct comb spectroscopyPrincipal Investigator
- Principal Investigator
  
  Hasegawa Taro
- Project Period (FY)
  2021 – 2023
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Review Section
  
  Basic Section 30020:Optical engineering and photon science-related
- Research Institution
  Keio University
Novel infrared broadband and high-resolution spectroscopyPrincipal Investigator
- Principal Investigator
  
  Hasegawa Taro
- Project Period (FY)
  2015 – 2017
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Research Field
  
  Analytical chemistry
- Research Institution
  Keio University
量子計算機開発のための新しいイオントラップ法Principal Investigator
- Principal Investigator
  
  長谷川太郎
- Project Period (FY)
  2004 – 2005
- Research Category
  
  Grant-in-Aid for Young Scientists (B)
- Research Field
  
  原子・分子・量子エレクトロニクス・プラズマ
- Research Institution
  Keio University
  University of Hyogo
MEASUREMENT OF CHARGE TRANSFER CROSS SECTION IN VERY LOW ENERGY REGION
- Principal Investigator
  
  SHIMIZU Tadao
- Project Period (FY)
  2000 – 2002
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Research Field
  
  物理学一般
- Research Institution
  Tokyo University of Science, Yamaguchi
CONTROL OF AND INTERACTION BETWEEN CHAOTIC SYSTEMS REALIZED IN MULTIMODE LASER
- Principal Investigator
  
  SHIMIZU Tadao
- Project Period (FY)
  1996 – 1998
- Research Category
  
  Grant-in-Aid for Scientific Research (B)
- Research Field
  
  Applied optics/Quantum optical engineering
- Research Institution
  SCIENCE UNIVERSITY OF TOKYO IN YAMAGUCHI

All 2024 2023 2022 2021 2018 2017 2016 2005 2004

All Journal Article Presentation

[Journal Article] Phase structure of harmonically mode-locked optical frequency combs2024
- Author(s)
  Hasegawa Taro
- Journal Title
  
  Optics Express
  
  Volume: 32 Issue: 5 Pages: 8092-8092
- DOI
  10.1364/oe.516634
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PROJECT-21K04930
[Journal Article] Evaluation of the Sagnac-loop laser frequency stabilization to sub-Doppler spectral lines2023
- Author(s)
  Taro Hasegawa
- Journal Title
  
  Journal of the Optical Society of America B
  
  Volume: 40 Issue: 3 Pages: 667-672
- DOI
  10.1364/josab.482223
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PROJECT-21K04930
[Journal Article] Mode spacing multiplication of optical frequency combs without power loss2022
- Author(s)
  Taiki Kageyama and Taro Hasegawa
- Journal Title
  
  Optics Express
  
  Volume: 30 Issue: 11 Pages: 19090-19099
- DOI
  10.1364/oe.459554
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PROJECT-21K04930
[Journal Article] Fast polarization control for optical frequency combs2021
- Author(s)
  Kageyama Taiki, Hasegawa Taro
- Journal Title
  
  Optics Express
  
  Volume: 29 Issue: 23 Pages: 38477-38487
- DOI
  10.1364/oe.439346
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PROJECT-21K04930
[Journal Article] A radio-frequency ion trap with string electrodes2018
- Author(s)
  Kanai Daisuke、Hasegawa Taro
- Journal Title
  
  Review of Scientific Instruments
  
  Volume: 89 Issue: 2 Pages: 023106-023106
- DOI
  10.1063/1.5011709
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PROJECT-15K05547
[Journal Article] Optical bistability induced by Gouy phase shift2017
- Author(s)
  Taro Hasegawa
- Journal Title
  
  Journal of Optical Society of America B
  
  Volume: 34 Issue: 7 Pages: 1319-1326
- DOI
  10.1364/josab.34.001319
- NAID
  130006711728
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PROJECT-15K05547
[Journal Article] Direct-comb molecular spectroscopy by heterodyne detection with continuous-wave laser for high sensitivity2017
- Author(s)
  Taro Hasegawa and Hiroyuki Sasada
- Journal Title
  
  Optics Express
  
  Volume: 25
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PROJECT-15K05547
[Journal Article] Broadened optical spectrum of repetitionrate-multiplied erbium-doped fiber comb2016
- Author(s)
  Taro Hasegawa
- Journal Title
  
  Journal of Optical Society of America B
  
  Volume: 33 Issue: 10 Pages: 2057-2061
- DOI
  10.1364/josab.33.002057
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-15K05547
[Journal Article] Rapid Heating of a Strongly Coupled Plasma near the Solid-Liquid Phase Transition2005
- Author(s)
  M.J.Jensen, T.Hasegawa, J.J.Bollinger
- Journal Title
  
  Physical Review Letters 94
  
  Pages: 25001-25001
- Data Source
  KAKENHI-PROJECT-16740232
[Journal Article] Stability of a Penning trap with a quadrupole rotating electric field2005
- Author(s)
  T.Hasegawa, M.J.Jensen, J.J.Bollinger
- Journal Title
  
  Physical Review A 71
  
  Pages: 23406-23406
- Data Source
  KAKENHI-PROJECT-16740232
[Journal Article] Rotating-radio-frequency ion traps2005
- Author(s)
  Taro Hasegawa, John J.Bollinger
- Journal Title
  
  Physical Review A 72・4
  
  Pages: 43403-43403
- Data Source
  KAKENHI-PROJECT-16740232
[Journal Article] Temperature and heating rate of ion crystals in Penning traps2004
- Author(s)
  M.J.Jensen, T.Hasegawa, J.J.Bollinger
- Journal Title
  
  Physical Review A 70
  
  Pages: 33401-33401
- Data Source
  KAKENHI-PROJECT-16740232
[Presentation] サニャック分光による周波数安定化レーザーの評価2024
- Author(s)
  長谷川太郎
- Organizer
  日本物理学会2023年春季大会
- Data Source
  KAKENHI-PROJECT-21K04930
[Presentation] Mode spacing of harmonic mode-locked optical frequency combs2023
- Author(s)
  Taro Hasegawa
- Organizer
  Optica Sensing Congress
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-21K04930
[Presentation] サニャック分光による周波数安定化レーザーの評価2023
- Author(s)
  長谷川太郎
- Organizer
  日本物理学会2023年春季大会
- Data Source
  KAKENHI-PROJECT-21K04930
[Presentation] 高調波モード同期光周波数コムのモード間隔2023
- Author(s)
  長谷川太郎
- Organizer
  日本物理学会第78回年次大会
- Data Source
  KAKENHI-PROJECT-21K04930
[Presentation] パワー損失の無い光周波数コムのモード間隔逓倍化2022
- Author(s)
  蔭山大起、長谷川太郎
- Organizer
  日本物理学会第77回年次大会
- Data Source
  KAKENHI-PROJECT-21K04930
[Presentation] Mode-spacing multiplication of optical frequency combs without power loss2022
- Author(s)
  Taro Hasegawa, Taiki Kageyama
- Organizer
  Pacific Rim Conference on Lasers and Electro-Optics 2022
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-21K04930
[Presentation] 光周波数コムの高速偏光変調2021
- Author(s)
  蔭山大起、長谷川太郎
- Organizer
  日本物理学会2021年秋季大会
- Data Source
  KAKENHI-PROJECT-21K04930
[Presentation] ガラス板を使用した外部共振器型半導体レーザー2018
- Author(s)
  長谷川太郎
- Organizer
  日本物理学会第73回年次大会
- Data Source
  KAKENHI-PROJECT-15K05547
[Presentation] 光周波数コムの低繰り返し化による高いモード密度2017
- Author(s)
  長谷川太郎
- Organizer
  日本物理学会2017年秋季大会
- Data Source
  KAKENHI-PROJECT-15K05547
[Presentation] Repetition-rate-divided optical frequency comb by amplitude and phase modulations2017
- Author(s)
  Taro Hasegawa
- Organizer
  UEC-ERATO Symposium
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-15K05547
[Presentation] Direct comb spectroscopy by heterodyne detection with a continuous-wave laser for high spectral resolution2016
- Author(s)
  Taro Hasegawa and Hiroyuki Sasada
- Organizer
  Light, Energy and the Environment Congress
- Place of Presentation
  Leipzig (Germany)
- Year and Date
  2016-11-14
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-15K05547
[Presentation] 周波数フィルタリングされた光周波数コムの広帯域化II2016
- Author(s)
  長谷川太郎、佐々田博之
- Organizer
  日本物理学会　第71回年次大会
- Place of Presentation
  東北学院大学　(宮城県・仙台市)
- Year and Date
  2016-03-19
- Data Source
  KAKENHI-PROJECT-15K05547
[Presentation] 光周波数コムを分光用光源として使用する高分解能分光2016
- Author(s)
  長谷川太郎、佐々田博之
- Organizer
  日本物理学会2016年秋季大会
- Place of Presentation
  金沢大学(石川県・金沢市)
- Year and Date
  2016-09-13
- Data Source
  KAKENHI-PROJECT-15K05547

1. SHIMIZU Tadao (90011668)

# of Collaborated Projects: 2 results

# of Collaborated Products: 0 results
2. KUGA Takahiro (60195419)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
3. 立川真樹 (60201612)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
4. 佐々田博之 (30146576)

# of Collaborated Projects: 1 results

# of Collaborated Products: 4 results
5. TANII Kazuhito

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
6. TSUKAMOTO Tahayuki

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
7. 谷井一者

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
8. 塚本隆之

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results

Hasegawa Taro 長谷川 太郎

長谷川 太郎 ハセガワ タロウ

HASEGAWA Taro 長谷川 太郎

Research Projects

Research Products

Co-Researchers

High-resolution broadband direct comb spectroscopyPrincipal Investigator

Principal Investigator

Project Period (FY)

Research Category

Review Section

Research Institution

Novel infrared broadband and high-resolution spectroscopyPrincipal Investigator

Principal Investigator

Project Period (FY)

Research Category

Research Field

Research Institution

量子計算機開発のための新しいイオントラップ法Principal Investigator

Principal Investigator

Project Period (FY)

Research Category

Research Field

Research Institution

MEASUREMENT OF CHARGE TRANSFER CROSS SECTION IN VERY LOW ENERGY REGION

Principal Investigator

Project Period (FY)

Research Category

Research Field

Research Institution

CONTROL OF AND INTERACTION BETWEEN CHAOTIC SYSTEMS REALIZED IN MULTIMODE LASER

Principal Investigator

Project Period (FY)

Research Category

Research Field

Research Institution

[Journal Article] Phase structure of harmonically mode-locked optical frequency combs2024

Author(s)

Journal Title

DOI

Data Source

[Journal Article] Evaluation of the Sagnac-loop laser frequency stabilization to sub-Doppler spectral lines2023

Author(s)

Journal Title

DOI

Data Source

[Journal Article] Mode spacing multiplication of optical frequency combs without power loss2022

Author(s)

Journal Title

DOI

Data Source

[Journal Article] Fast polarization control for optical frequency combs2021

Author(s)

Journal Title

DOI

Data Source

[Journal Article] A radio-frequency ion trap with string electrodes2018

Author(s)

Journal Title

DOI

Data Source

[Journal Article] Optical bistability induced by Gouy phase shift2017

Author(s)

Journal Title

DOI

NAID

Data Source

[Journal Article] Direct-comb molecular spectroscopy by heterodyne detection with continuous-wave laser for high sensitivity2017

Author(s)

Journal Title

Data Source

[Journal Article] Broadened optical spectrum of repetitionrate-multiplied erbium-doped fiber comb2016

Author(s)

Journal Title

DOI

Data Source

[Journal Article] Rapid Heating of a Strongly Coupled Plasma near the Solid-Liquid Phase Transition2005

Author(s)

Journal Title

Data Source

Hasegawa Taro 長谷川太郎

長谷川太郎ハセガワタロウ

HASEGAWA Taro 長谷川太郎