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Optics Letters

Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Editor: Alan E. Willner
  • Vol. 38, Iss. 18 — Sep. 15, 2013
  • pp: 3665–3668

Frequency stability of a 10 GHz optical frequency comb from a semiconductor-based mode-locked laser with an intracavity 10,000 finesse etalon

Josue Davila-Rodriguez, Kristina Bagnell, and Peter J. Delfyett  »View Author Affiliations


Optics Letters, Vol. 38, Issue 18, pp. 3665-3668 (2013)
http://dx.doi.org/10.1364/OL.38.003665


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Abstract

An optical frequency comb is constructed using a semiconductor gain medium with a fiber-coupled external cavity and stabilized to an intracavity 10,000 finesse etalon, which is temperature stabilized and held in a vacuum chamber at 106Torr. Optical frequency stability measurements show that the comb has a reduced sensitivity to environmental fluctuations. An upper limit on the optical frequency variation of 100 kHz over >12min of continuous operation is measured using a real-time spectrum analyzer. This measurement is limited by the linewidth of the reference source, and further measurements with a frequency counter show a fractional deviation of 2×1011 at 50 ms. Furthermore, out-of-band ASE rejection is shown to be >36dB, a tenfold improvement over that of a laser with a 1000 finesse FPE.

© 2013 Optical Society of America

OCIS Codes
(140.4050) Lasers and laser optics : Mode-locked lasers
(140.5960) Lasers and laser optics : Semiconductor lasers

ToC Category:
Lasers and Laser Optics

History
Original Manuscript: May 28, 2013
Revised Manuscript: August 19, 2013
Manuscript Accepted: August 21, 2013
Published: September 12, 2013

Citation
Josue Davila-Rodriguez, Kristina Bagnell, and Peter J. Delfyett, "Frequency stability of a 10 GHz optical frequency comb from a semiconductor-based mode-locked laser with an intracavity 10,000 finesse etalon," Opt. Lett. 38, 3665-3668 (2013)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-38-18-3665

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