Power-area method to precisely estimate laser linewidth from its frequency-noise spectrum.


We proposed a precise and simple method to estimate the laser linewidth from its frequency power spectral density, which is termed as power-area method (PAM). We applied this method to determine the full width at half-maximum (FWHM) of white-frequency noise and flicker-frequency noise, and the error was less than 7%. Then we successfully estimated the FWHM… (More)
DOI: 10.1364/AO.54.008282


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