Stabilization of femtosecond laser frequency combs with subhertz residual linewidths
Optics Letters, Vol. 29, Issue 10, pp. 1081-1083 (2004)
http://dx.doi.org/10.1364/OL.29.001081
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Abstract
We demonstrate that femtosecond laser frequency combs (FLFCs) can have a subhertz linewidth across their entire emission spectra when they are phase locked to a reference laser with a similarly narrow linewidth. Correspondingly, the coherence time of the comb components relative to the reference laser can be of the order of a few seconds. Thus we are able to detect high-contrast spectral interferograms at up to 10-s integration time between two FLFCs locked to a common optical reference.
OCIS Codes
(120.3940) Instrumentation, measurement, and metrology : Metrology
(140.7090) Lasers and laser optics : Ultrafast lasers
(320.7160) Ultrafast optics : Ultrafast technology
Citation
A. Bartels, C. W. Oates, L. Hollberg, and S. A. Diddams, "Stabilization of femtosecond laser frequency combs with subhertz residual
linewidths," Opt. Lett. 29, 1081-1083 (2004)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-29-10-1081
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