McFerran, J.
, Swann, W.
, Washburn, B.
and Newbury, N.
(2006),
Suppression of pump-induced frequency noise in fiber-laser frequency combs leading to sub-radian f<sub>ceo</sub> phase excursions, Applied Physics B-Photophysics and Laser Chemistry, [online], https://tsapps.nist.gov/publication/get_pdf.cfm?pub_id=32327
(Accessed October 26, 2025)
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Suppression of pump-induced frequency noise in fiber-laser frequency combs leading to sub-radian fceo phase excursions
Published
Author(s)
John J. McFerran, , Brian R. Washburn,
Abstract
We discuss the origins and the suppression of the large frequency jitter on the carrier-envelope offset frequency(fceo) of fiber-laser frequency combs. While this frequency noise appears most prominently on fceo, its effects are felt across the frequency comb and it is a potential limiting factor in applications of fiber-laser frequency combs. Here we show that its origin lies in the white amplitude noise on the pump laser out-put. We dramatically reduce this noise by operating the pump laser in a lower-noise state, i.e. at higher pump current, and by more aggressively feeding back to the pump current with an optimal feedback network. We demonstrate instrument-limited fceo linewidths and an integrated fceo phase jitter of 1 rad.Citation
Applied Physics B-Photophysics and Laser Chemistry
Pub Type
Journals
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Keywords
Fiber laser frequency comb, optical frequency metrology
Citation
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Created July 31, 2006, Updated October 12, 2021