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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 20, Iss. 22 — Oct. 22, 2012
  • pp: 24880–24885

Analysis of the feed-forward method for the referencing of a CW laser to a frequency comb

D. Gatti, T. Sala, A. Gambetta, N. Coluccelli, G. Nunzi Conti, G. Galzerano, P. Laporta, and M. Marangoni  »View Author Affiliations

Optics Express, Vol. 20, Issue 22, pp. 24880-24885 (2012)

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We report on a comprehensive theoretical and experimental analysis of the feed-forward method for external frequency stabilization of a continuous wave laser against a frequency comb. Application of the method to a distributed feedback diode laser at 1.55 μm allows line narrowing from 800 to 10 kHz, with frequency noise reduction by more than 2 decades up to a Fourier frequency of 100 kHz and a maximum control bandwidth of 0.8 MHz. The results are consistent with a relative phase fluctuation of 1.4 rad rms, as limited by uncompensated high-frequency noise of the slave laser.

© 2012 OSA

OCIS Codes
(120.3930) Instrumentation, measurement, and metrology : Metrological instrumentation
(230.1040) Optical devices : Acousto-optical devices
(300.3700) Spectroscopy : Linewidth

ToC Category:
Instrumentation, Measurement, and Metrology

Original Manuscript: August 14, 2012
Revised Manuscript: October 8, 2012
Manuscript Accepted: October 9, 2012
Published: October 16, 2012

D. Gatti, T. Sala, A. Gambetta, N. Coluccelli, G. Nunzi Conti, G. Galzerano, P. Laporta, and M. Marangoni, "Analysis of the feed-forward method for the referencing of a CW laser to a frequency comb," Opt. Express 20, 24880-24885 (2012)

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