Free spectral range measurement using homologous heterodyne optical phase-locked loop based on acousto-optic modulation.
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DOI: 10.1364/ao.58.005817
Abstract: We demonstrate a homologous heterodyne optical phase-locked loop for free spectral range measurement of a fiber ring resonator. In this loop, the frequency noise within the 10 Hz bandwidth is reduced by more than 40 dB from… read more here.
Keywords: spectral range; heterodyne optical; measurement; free spectral ... See more keywords