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Optics Letters

Optics Letters


  • Vol. 37, Iss. 13 — Jul. 1, 2012
  • pp: 2592–2594

Wide-bandwidth phase lock between a CW laser and a frequency comb based on a feed-forward configuration

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

Optics Letters, Vol. 37, Issue 13, pp. 2592-2594 (2012)

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Wide-bandwidth phase lock between the tooth of a frequency comb and a CW extended-cavity diode laser at 1.55 μm is achieved by the use of an acousto-optical frequency shifter in a feed-forward configuration. The coherence properties of the comb are efficiently transferred to the CW laser, whose linewidth is narrowed down to the 10KHz comb level. A maximum control bandwidth of 0.6MHz has been experimentally achieved, limited by the transit time of the acoustic wave inside the frequency shifter.

© 2012 Optical Society of America

OCIS Codes
(120.3930) Instrumentation, measurement, and metrology : Metrological instrumentation
(300.3700) Spectroscopy : Linewidth

ToC Category:
Instrumentation, Measurement, and Metrology

Original Manuscript: February 24, 2012
Revised Manuscript: May 7, 2012
Manuscript Accepted: May 8, 2012
Published: June 22, 2012

T. Sala, D. Gatti, A. Gambetta, N. Coluccelli, G. Galzerano, P. Laporta, and M. Marangoni, "Wide-bandwidth phase lock between a CW laser and a frequency comb based on a feed-forward configuration," Opt. Lett. 37, 2592-2594 (2012)

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