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Microwave synthesizer using an on-chip Brillouin oscillator

Author

Listed:
  • Jiang Li

    (T. J. Watson Laboratory of Applied Physics, California Institute of Technology)

  • Hansuek Lee

    (T. J. Watson Laboratory of Applied Physics, California Institute of Technology)

  • Kerry J. Vahala

    (T. J. Watson Laboratory of Applied Physics, California Institute of Technology)

Abstract

Low-phase-noise microwave oscillators are important to a wide range of subjects, including communications, radar and metrology. Photonic-based microwave-wave sources now provide record, close-to-carrier phase-noise performance, and compact sources using microcavities are available commercially. Photonics-based solutions address a challenging scaling problem in electronics, increasing attenuation with frequency. A second scaling challenge, however, is to maintain low phase noise in reduced form factor and even integrated systems. On this second front, there has been remarkable progress in the area of microcavity devices with large storage time (high optical quality factor). Here we report generation of highly coherent microwaves using a chip-based device that derives stability from high optical quality factor. The device has a record low electronic white-phase-noise floor for a microcavity-based oscillator and is used as the optical, voltage-controlled oscillator in the first demonstration of a photonic-based, microwave frequency synthesizer. The synthesizer performance is comparable to mid-range commercial devices.

Suggested Citation

  • Jiang Li & Hansuek Lee & Kerry J. Vahala, 2013. "Microwave synthesizer using an on-chip Brillouin oscillator," Nature Communications, Nature, vol. 4(1), pages 1-7, October.
    • Handle: RePEc:nat:natcom:v:4:y:2013:i:1:d:10.1038_ncomms3097
    DOI: 10.1038/ncomms3097
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    Cited by:

    1. Yang He & Raymond Lopez-Rios & Usman A. Javid & Jingwei Ling & Mingxiao Li & Shixin Xue & Kerry Vahala & Qiang Lin, 2023. "High-speed tunable microwave-rate soliton microcomb," Nature Communications, Nature, vol. 14(1), pages 1-7, December.
    2. Mingming Nie & Jonathan Musgrave & Kunpeng Jia & Jan Bartos & Shining Zhu & Zhenda Xie & Shu-Wei Huang, 2024. "Turnkey photonic flywheel in a microresonator-filtered laser," Nature Communications, Nature, vol. 15(1), pages 1-8, December.
    3. 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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