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422 Million intrinsic quality factor planar integrated all-waveguide resonator with sub-MHz linewidth

Author

Listed:
  • Matthew W. Puckett

    (Honeywell International)

  • Kaikai Liu

    (University of California Santa Barbara)

  • Nitesh Chauhan

    (University of California Santa Barbara)

  • Qiancheng Zhao

    (University of California Santa Barbara)

  • Naijun Jin

    (Yale University)

  • Haotian Cheng

    (Yale University)

  • Jianfeng Wu

    (Honeywell International)

  • Ryan O. Behunin

    (Northern Arizona University
    Northern Arizona University)

  • Peter T. Rakich

    (Yale University)

  • Karl D. Nelson

    (Honeywell International)

  • Daniel J. Blumenthal

    (University of California Santa Barbara)

Abstract

High quality-factor (Q) optical resonators are a key component for ultra-narrow linewidth lasers, frequency stabilization, precision spectroscopy and quantum applications. Integration in a photonic waveguide platform is key to reducing cost, size, power and sensitivity to environmental disturbances. However, to date, the Q of all-waveguide resonators has been relegated to below 260 Million. Here, we report a Si3N4 resonator with 422 Million intrinsic and 3.4 Billion absorption-limited Qs. The resonator has 453 kHz intrinsic, 906 kHz loaded, and 57 kHz absorption-limited linewidths and the corresponding 0.060 dB m−1 loss is the lowest reported to date for waveguides with deposited oxide upper cladding. These results are achieved through a careful reduction of scattering and absorption losses that we simulate, quantify and correlate to measurements. This advancement in waveguide resonator technology paves the way to all-waveguide Billion Q cavities for applications including nonlinear optics, atomic clocks, quantum photonics and high-capacity fiber communications.

Suggested Citation

  • Matthew W. Puckett & Kaikai Liu & Nitesh Chauhan & Qiancheng Zhao & Naijun Jin & Haotian Cheng & Jianfeng Wu & Ryan O. Behunin & Peter T. Rakich & Karl D. Nelson & Daniel J. Blumenthal, 2021. "422 Million intrinsic quality factor planar integrated all-waveguide resonator with sub-MHz linewidth," Nature Communications, Nature, vol. 12(1), pages 1-8, December.
    • Handle: RePEc:nat:natcom:v:12:y:2021:i:1:d:10.1038_s41467-021-21205-4
    DOI: 10.1038/s41467-021-21205-4
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    Cited by:

    1. Grigory Lihachev & Johann Riemensberger & Wenle Weng & Junqiu Liu & Hao Tian & Anat Siddharth & Viacheslav Snigirev & Vladimir Shadymov & Andrey Voloshin & Rui Ning Wang & Jijun He & Sunil A. Bhave & , 2022. "Low-noise frequency-agile photonic integrated lasers for coherent ranging," Nature Communications, Nature, vol. 13(1), pages 1-10, December.
    2. Maodong Gao & Qi-Fan Yang & Qing-Xin Ji & Heming Wang & Lue Wu & Boqiang Shen & Junqiu Liu & Guanhao Huang & Lin Chang & Weiqiang Xie & Su-Peng Yu & Scott B. Papp & John E. Bowers & Tobias J. Kippenbe, 2022. "Probing material absorption and optical nonlinearity of integrated photonic materials," Nature Communications, Nature, vol. 13(1), pages 1-8, December.

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