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Compact visible light sources with stable wavelengths and long lifetime towards implementation of quantum simulators

Research Project

Project/Area Number 22K20356
Research Category

Grant-in-Aid for Research Activity Start-up

Allocation TypeMulti-year Fund
Review Section 0202:Condensed matter physics, plasma science, nuclear engineering, earth resources engineering, energy engineering, and related fields
Research InstitutionKyoto University

Principal Investigator

Takano Tetsushi  京都大学, 理学研究科, 特定准教授 (80773530)

Project Period (FY) 2022-08-31 – 2024-03-31
Project Status Completed (Fiscal Year 2023)
Budget Amount *help
¥2,860,000 (Direct Cost: ¥2,200,000、Indirect Cost: ¥660,000)
Fiscal Year 2023: ¥1,430,000 (Direct Cost: ¥1,100,000、Indirect Cost: ¥330,000)
Fiscal Year 2022: ¥1,430,000 (Direct Cost: ¥1,100,000、Indirect Cost: ¥330,000)
Keywords外部共振器レーザ / 可視光半導体レーザ / レーザ冷却 / 量子シミュレーション / 量子シミュレータ
Outline of Research at the Start

冷却アルカリ土類原子は、量子シミュレータや光格子時計など量子計測に適したプラットフォームである。しかし、アルカリ土類原子のレーザ冷却には、可視光・狭線幅の波長安定化光源が必要不可欠である。本研究では、399nmで直接発振する窒化ガリウム半導体の干渉フィルタ型外部共振器レーザを作成する。並行して、Yb原子気体そのものを波長フィルタとして用いるファラデーレーザを作成する。

Outline of Final Research Achievements

This study aims to develop a compact 399 nm laser with a stable wavelength and long lifetime. Since this laser is one of the bottlenecks for the miniaturization of ytterbium (Yb) atom quantum simulators and optical lattice clocks, the achievement of this research will significantly facilitate the portability and practical application of quantum simulators and optical lattice clocks. In this study, we attempted to achieve the above goal using two methods: an interference-filter external cavity laser using a gallium nitride semiconductor or a Faraday laser using a Yb atomic gas. As a result, we succeeded in fabricating the former laser, and after evaluating its spectral purity, we succeeded in observing cooled Yb atoms. For the latter, we also created an oven for Yb atoms.

Academic Significance and Societal Importance of the Research Achievements

本研究は、直接接合された結合ミラーを用いて、可視光の干渉フィルタ型外部共振器半導体レーザを作ることができることを示した。そして、このレーザが冷却Yb原子の観測に使用することができることを示した。従来、可視光半導体レーザを用いて干渉フィルタ型外部共振器レーザを構成すると、寿命が短くなることが知られていた。本研究は、この原因が結合ミラーに光を集光することによって光集塵がおき、ミラーが劣化することにあると考えた。そして、直接接合された結合ミラーの接合面で光を集光して反射させることにより、これを回避できることを示した。この結果は、量子シミュレータ・光格子時計の可搬化・実用化を大きく促進する意義がある。

Report

(3 results)
  • 2023 Annual Research Report   Final Research Report ( PDF )
  • 2022 Research-status Report
  • Research Products

    (36 results)

All 2024 2023 2022

All Journal Article (2 results) (of which Peer Reviewed: 2 results,  Open Access: 1 results) Presentation (34 results) (of which Int'l Joint Research: 16 results,  Invited: 2 results)

  • [Journal Article] イッテルビウム原子の精密分光による新物理探索2023

    • Author(s)
      高野哲至; 小野滉貴; 石山泰樹; 砂賀彩光; 山本康裕; 田中実; 高橋義朗
    • Journal Title

      レーザー研究

      Volume: 51 Pages: 511-516

    • Related Report
      2023 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Observation of an Inner-Shell Orbital Clock Transition in Neutral Ytterbium Atoms2023

    • Author(s)
      Ishiyama Taiki、Ono Koki、Takano Tetsushi、Sunaga Ayaki、Takahashi Yoshiro
    • Journal Title

      Physical Review Letters

      Volume: 130 Issue: 15 Pages: 153402-153402

    • DOI

      10.1103/physrevlett.130.153402

    • Related Report
      2022 Research-status Report
    • Peer Reviewed / Open Access
  • [Presentation] Recent progress in the development of a quantum computer with Ytterbium atoms2024

    • Author(s)
      Y.Nakamura; T. Kusano; R. Yokoyama; I. Okamoto; N. Ozawa; T. Takano; Y. Takasu; Y. Takahashi
    • Organizer
      第35回量子情報関東Student Chapter
    • Related Report
      2023 Annual Research Report
  • [Presentation] Yb原子の冷却及び発光イメージングの為のコンパクトな干渉フィルタ型外部共振器レーザーの開発2024

    • Author(s)
      R. Yokoyama; T. Takano; K. Higashi; Y. Nakamura; T. Kusano; N. Ozawa; Y. Takasu; Y. Takahashi
    • Organizer
      ムーンショット目標6内部全体会議2024
    • Related Report
      2023 Annual Research Report
  • [Presentation] Generation of Defect-Free Arrays Toward Large-Scale Quantum Computing2024

    • Author(s)
      T. Kusano; Y. Nakamura; R. Yokoyama; K. Saito; K. Higashi; N. Ozawa; T. Takano; Y. Takasu; Y. Takahashi
    • Organizer
      ムーンショット目標6内部全体会議2024
    • Related Report
      2023 Annual Research Report
  • [Presentation] Development of a quantum computer with cold neutral Ytterbium atoms2024

    • Author(s)
      Y. Nakamura; T. Kusano; R. Yokoyama; I. Okamoto; N. Ozawa; T. Takano; Y. Takasu; Y. Takahashi
    • Organizer
      ムーンショット目標6内部全体会議2024
    • Related Report
      2023 Annual Research Report
  • [Presentation] Development of a high-power laser source for Rydberg excitation of Yb atoms2024

    • Author(s)
      N. Ozawa; T. Takano; Y. Nakamura; T. Kusano; R. Yokoyama; I. Okamoto; Y. Takasu; Y. Takahashi
    • Organizer
      ムーンショット目標6内部全体会議2024
    • Related Report
      2023 Annual Research Report
  • [Presentation] 光周波数コムを用いたYb原子量子コンピュータ駆動光源の周波数安定化2024

    • Author(s)
      T. Takano; N. Ozawa; H. Kawase; T. Ishiyama; K. Ono; Y. Takahashi
    • Organizer
      ムーンショット目標6内部全体会議2024
    • Related Report
      2023 Annual Research Report
  • [Presentation] Laser linewidth transfer using an optical frequency comb towards precision spectroscopy of ytterbium atoms2024

    • Author(s)
      T. Takano; H. Kawase; T. Ishiyama; K. Ono; Y. Takahashi
    • Organizer
      Aoki Moonshot PJ Workshop on Frontier of two-electron atoms and cavity QED
    • Related Report
      2023 Annual Research Report
    • Int'l Joint Research
  • [Presentation] Development of a 3D Optical Tweezers System Toward Large-Scale Quantum Computing2024

    • Author(s)
      T. Kusano; Y. Nakamura; I. Okamoto; R. Yokoyama; N. Ozawa; T. Takano; Y. Takasu; Y. Takahashi
    • Organizer
      Aoki Moonshot PJ Workshop on Frontier of two-electron atoms and cavity QED
    • Related Report
      2023 Annual Research Report
    • Int'l Joint Research
  • [Presentation] Development of a high-power laser source for Rydberg excitation of Yb atoms2024

    • Author(s)
      N. Ozawa; Y. Nakamura; T. Kusano; R. Yokoyama; I. Okamoto; T. Takano; Y. Takasu; Y. Takahashi
    • Organizer
      Aoki Moonshot PJ Workshop on Frontier of two-electron atoms and cavity QED
    • Related Report
      2023 Annual Research Report
    • Int'l Joint Research
  • [Presentation] A dual-isotope ytterbium atom array2024

    • Author(s)
      Y. Nakamura; T. Kusano; R. Yokoyama; K. Saito; K. Higashi; N. Ozawa; T. Takano; Y. takasu; Y. Takahashi
    • Organizer
      Aoki Moonshot PJ Workshop on Frontier of two-electron atoms and cavity QED
    • Related Report
      2023 Annual Research Report
    • Int'l Joint Research
  • [Presentation] 中性イッテルビウム原子の内殻励起時計遷移の精密分光2024

    • Author(s)
      石山泰樹; 川瀬北斗; 小野滉貴; 高野哲至; 砂賀彩光; 高橋義朗
    • Organizer
      日本物理学会2024年春季大会
    • Related Report
      2023 Annual Research Report
  • [Presentation] Development of a high-power Rydberg excitation laser source for Yb atoms2024

    • Author(s)
      N. Ozawa; T. Takano; Y. Nakamura; T. Kusano; R. Yokoyama; Y. Takasu; Y. Takahashi
    • Organizer
      “Rydberg-atom quantum simulators/computers”, a DE-JP workshop
    • Related Report
      2023 Annual Research Report
    • Int'l Joint Research
  • [Presentation] Probing Beyond-Standard-Model Physics using microwave transitions in Rydberg atoms2024

    • Author(s)
      N. Ozawa; T. Takano; Y. Nakamura; T. Kusano; R. Yokoyama; Y. Takasu; Y. Takahashi
    • Organizer
      “Rydberg-atom quantum simulators/computers”, a DE-JP workshop
    • Related Report
      2023 Annual Research Report
    • Int'l Joint Research
  • [Presentation] Review of Studies on the Rydberg States of Ytterbium Atoms2024

    • Author(s)
      Toshi Kusano; Yuma Nakamura; Issei Okamoto; Naoya Ozawa; Tetsushi Takano; Yosuke Takasu; Yoshiro Takahashi
    • Organizer
      “Rydberg-atom quantum simulators/computers”, a DE-JP workshop
    • Related Report
      2023 Annual Research Report
    • Int'l Joint Research
  • [Presentation] Recent progress in the development of ytterbium quantum computer in Takahashi-group2024

    • Author(s)
      Yuma Nakamura; Toshi Kusano; Issei Okamoto; Naoya Ozawa; Tetsushi Takano; Yosuke Takasu; Yoshiro Takahashi
    • Organizer
      “Rydberg-atom quantum simulators/computers”, a DE-JP workshop
    • Related Report
      2023 Annual Research Report
    • Int'l Joint Research
  • [Presentation] Precision Spectroscopy of an Inner-Shell Orbital Clock Transition in Neutral Ytterbium Atoms2024

    • Author(s)
      T. Ishiyama; H. Kawase; K. Ono; T. Takano; A. Sunaga; Y. Takahashi
    • Organizer
      International Symposium on Creation of Advanced Photonic and Electronic Devices 2024
    • Related Report
      2023 Annual Research Report
    • Int'l Joint Research
  • [Presentation] Development of a 3D Optical Tweezers System Toward Large-Scale Quantum Computing2024

    • Author(s)
      T. Kusano; Y. Nakamura; I. Okamoto; R. Yokoyama; N. Ozawa; T. Takano; Y. Takasu; Y. Takahashi
    • Organizer
      International Symposium on Advanced Quantum Technology for Future 2024
    • Related Report
      2023 Annual Research Report
    • Int'l Joint Research
  • [Presentation] State-Selective Qubit Readout by Shelving to the Metastable State in a Ytterbium Atom Array2024

    • Author(s)
      Y. Nakamura; T. Kusano; I. Okamoto; R. Yokoyama; N. Ozawa; T. Takano; Y. takasu; Y. Takahashi
    • Organizer
      International Symposium on Creation of Advanced Photonic and Electronic Devices 2024
    • Related Report
      2023 Annual Research Report
    • Int'l Joint Research
  • [Presentation] 量子標準・原子時計2024

    • Author(s)
      高野 哲至
    • Organizer
      第2回サイエンス講座「量子情報科学の最前線」
    • Related Report
      2023 Annual Research Report
    • Invited
  • [Presentation] イッテルビウム原子の精密分光による新物理探索2023

    • Author(s)
      小野 滉貴; 石山 泰樹; 高野 哲至; 高須 洋介; 山本 康裕; 田中 実; 砂賀 彩光; 高橋 義朗
    • Organizer
      第5回 新方式精密計測による物理・工学的変革を目指す回路技術調査専門委員会
    • Related Report
      2023 Annual Research Report
  • [Presentation] Controlling nuclear spin qubit of Ytterbium atoms in an optical tweezer array2023

    • Author(s)
      Yuma Nakamura; Toshi Kusano; Issei Okamoto; Naoya Ozawa; Tetsushi Takano; Yosuke Takasu; Yoshiro Takahashi
    • Organizer
      2023 KPS Fall Meeting
    • Related Report
      2023 Annual Research Report
    • Int'l Joint Research
  • [Presentation] Development of a Parallel Rearrangement System for Large-Scale Quantum Computing2023

    • Author(s)
      Toshi Kusano; Yuma Nakamura; Issei Okamoto; Naoya Ozawa; Tetsushi Takano; Yosuke Takasu; Yoshiro Takahashi
    • Organizer
      Workshop for Advanced Quantum Technology for Future 2023
    • Related Report
      2023 Annual Research Report
  • [Presentation] Observation of an Inner-Shell Orbital Clock Transition in Neutral Ytterbium Atoms toward New Physics search2023

    • Author(s)
      Taiki Ishiyama; Koki Ono; Tetsushi Takano; Ayaki Sunaga; Yoshiro Takahashi
    • Organizer
      International Seminar Dojo 2023
    • Related Report
      2023 Annual Research Report
  • [Presentation] Controlling nuclear spin qubit in an optical tweezer array2023

    • Author(s)
      Yuma Nakamura; Toshi Kusano; Issei Okamoto; Naoya Ozawa; Tetsushi Takano; Yosuke Takasu; Yoshiro Takahashi
    • Organizer
      International Seminar Dojo 2023
    • Related Report
      2023 Annual Research Report
  • [Presentation] ラマン遷移による171イッテルビウム原子の核スピン操作2023

    • Author(s)
      中村勇真; 草野透志; 岡本一生; Till Person; Christian Gnand; 小澤直也; 高野哲至; 高須洋介; 高橋義朗
    • Organizer
      日本物理学会 第78回年次大会(2023年)
    • Related Report
      2023 Annual Research Report
  • [Presentation] イッテルビウム原子の精密分光による新物理の探索2023

    • Author(s)
      高野 哲至
    • Organizer
      第二回 冷却分子・精密分光シンポジウム
    • Related Report
      2023 Annual Research Report
    • Invited
  • [Presentation] 中性原子型量子コンピュータの開発状況2023

    • Author(s)
      草野透志; 中村勇真; 岡本一生; 小澤直也; 高野哲至; 高須洋介; 高橋義朗
    • Organizer
      京都大学研究連携基盤 未踏科学研究ユニット報告会2023
    • Related Report
      2023 Annual Research Report
  • [Presentation] Isotope Shift Measurement of Ytterbium Atoms Towards a Search for New Physics2023

    • Author(s)
      Tetsushi Takano; Koki Ono; Taiki Ishiyama; Ayaki Sunaga; Yosuke Takasu; Yasuhiro Yamamoto; Minoru Tanaka; Yoshiro Takahashi
    • Organizer
      The 2023 Joint Conference of the IEEE International Frequency Control Symposium & European Frequency and Time Forum (IEEE IFCS-EFTF 2023)
    • Related Report
      2023 Annual Research Report
    • Int'l Joint Research
  • [Presentation] Insights into new physics and nuclear physics from precise isotope shift measurements2023

    • Author(s)
      Taiki Ishiyama, Koki Ono, Tetsushi Takano, Ayaki Sunaga, Yosuke Takasu, Yasuhiro Yamamoto, Minoru Tanaka, and Yoshiro Takahashi
    • Organizer
      量子 クラスター で 読 み 解 く 物質 の 階層構造 第 8回 クラスター 階層領域研究会
    • Related Report
      2022 Research-status Report
  • [Presentation] Precise Isotope Shift Measurements Toward New Physics Search2023

    • Author(s)
      Taiki Ishiyama, Koki Ono, Tetsushi Takano, Ayaki Sunaga, and Yoshiro Takahashi
    • Organizer
      京都 大学 卓越 大学院 プログラム International Symposia on Creation of Advanced Photonic and Electronic Devices 2023 and Advanced Quantum Technology for Future 2023
    • Related Report
      2022 Research-status Report
  • [Presentation] イッテルビウム原子の新時計遷移の実験的観測に向けた検討2023

    • Author(s)
      石山泰樹,小野滉貴,高野哲至,砂賀彩光,高橋義朗
    • Organizer
      日本物理学会 2023年秋季大会
    • Related Report
      2022 Research-status Report
  • [Presentation] Novel light sources for quantum sensors and simulator2022

    • Author(s)
      Tetsushi Takano, Hisashi Ogawa, Weiyong Liu, Chiaki Ohae, Masayuki Katsuragawa, and Yoshiro Takahashi
    • Organizer
      The international conference on Quantum sensors and tests of new physics
    • Related Report
      2022 Research-status Report
    • Int'l Joint Research
  • [Presentation] bservation of Nonlinearity of Generalized King Plot in the Search for New Boson2022

    • Author(s)
      Koki Ono, Taiki Ishiyama, Tetsushi Takano, Ayaki Sunaga, Yosuke Takasu, Yasuhiro Yamamoto, Minoru Tanaka, and Yoshiro Takahashi,
    • Organizer
      The international conference on Quantum sensors and tests of new physics
    • Related Report
      2022 Research-status Report
    • Int'l Joint Research
  • [Presentation] Precise isotope shift measurements and implications for beyond-standard-model and nuclear physics2022

    • Author(s)
      Taiki Ishiyama, Koki Ono, Tetsushi Takano, Ayaki Sunaga, Yosuke Takasu, Yasuhiro Yamamoto, Minoru Tanaka, and Yoshiro Takahashi
    • Organizer
      International symposium on Clustering as a Window on the Hierarchical Structure of Quantum Systems
    • Related Report
      2022 Research-status Report
    • Int'l Joint Research

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Published: 2022-09-01   Modified: 2025-01-30  

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