Double Rayleigh scattering in a digitally enhanced, all-fiber optical frequency reference

Ya Zhang*, Chathura P. Bandutunga, Terry G. McRae, Malcolm B. Gray, Jong H. Chow

*Corresponding author for this work

    Research output: Contribution to journalArticlepeer-review

    2 Citations (Scopus)

    Abstract

    We demonstrate a passive, all-optical fiber frequency reference using a digitally enhanced homodyne interferometric phase readout. We model the noise contributions from fiber thermal noise and the coupling of double Rayleigh scattering in a digitally enhanced homodyne interferometer. A system frequency stability of 0.1 Hz/√Hz is achieved above 100 Hz, which coincides with the double Rayleigh scattering estimate and is approximately a factor of five above the thermo-dynamic noise limit.

    Original languageEnglish
    Pages (from-to)26319-26331
    Number of pages13
    JournalOptics Express
    Volume29
    Issue number17
    DOIs
    Publication statusPublished - 16 Aug 2021

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