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Demonstration of a highly stable 10 GHz optical frequency comb with low timing jitter from a SCOWA-based harmonically mode-locked nested cavity laser
Author(s) -
Kristina Bagnell,
Anthony Klee,
Peter J. Delfyett,
Jason J. Plant,
Paul W. Juodawlkis
Publication year - 2018
Publication title -
optics letters/optics index
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.524
H-Index - 272
eISSN - 1071-2763
pISSN - 0146-9592
DOI - 10.1364/ol.43.002396
Subject(s) - optics , fabry–pérot interferometer , laser , physics , jitter , heterodyne (poetry) , finesse , amplifier , materials science , optoelectronics , telecommunications , computer science , acoustics , cmos
An optical frequency comb with mode spacing of 10 GHz operating in the c-band is produced from a harmonically mode-locked laser using a slab-coupled optical waveguide amplifier device with a fiber-coupled external cavity. An intracavity Fabry-Perot etalon serves as a high finesse optical filter for supermode suppression and as the reference for cavity length stabilization using a multi-combline Pound-Drever-Hall setup. The Allan deviation of a single optical combline near 193.4 THz is measured via a heterodyne beat with a cavity stabilized cw laser and reaches a minimum fractional frequency deviation of 3×10 -13 at τ=30  ms. In addition, the phase noise of the photodetected pulsed output of the laser shows a timing jitter of <23  fs integrated from 1 Hz to the Nyquist frequency.

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