Double Rayleigh scattering in a digitally enhanced, all-fiber optical frequency reference
Date
2021
Authors
Zhang, Ya
Bandutunga, Chathura
McRae, Terry
Gray, Malcolm
Chow, Jong
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Optical Society of America
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/root 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.
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Optics Express
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Journal article
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Open Access
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