Cole, D.
, Papp, S.
and Diddams, S.
(2013),
Downsampling of optical frequency combs for carrier-envelope offset frequency detection, Optics Letters, [online], https://tsapps.nist.gov/publication/get_pdf.cfm?pub_id=914794
(Accessed December 14, 2024)
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Downsampling of optical frequency combs for carrier-envelope offset frequency detection
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Abstract
We study downsampling of optical frequency combs by way of pulse gating to enable efficient spectral broadening and f-2f interferometry. We downsample a 250 MHz repetition-rate comb to 25 MHz, thereby enabling detection of the comb's carrier-envelope offset frequency. Pulse gating has the potential to both increase timing jitter of the comb's pulse train and induce spurious frequency offsets of the comb's spectrum. To investigate these effects, we characterize the phase-noise spectrum of the downsampled comb, determine the effects of timing jitter deliberately imposed on the pulse gate, and demonstrate the null frequency shift of the comb's spectrum to the level of several υHz.Citation
Optics Letters
Pub Type
Journals
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Keywords
Supercontinuum generation, ultrafast optics
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Created October 15, 2013, Updated February 19, 2017