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Optics Letters

Optics Letters


  • Editor: Anthony J. Campillo
  • Vol. 32, Iss. 9 — May. 1, 2007
  • pp: 1099–1101

Beat-note jitter suppression in a dual-frequency laser using optical feedback

Luc Kervevan, Hervé Gilles, Sylvain Girard, and Mathieu Laroche  »View Author Affiliations

Optics Letters, Vol. 32, Issue 9, pp. 1099-1101 (2007)

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An efficient locking technique based on optical feedback is demonstrated to suppress jitter on the rf beat note between the two modes of a dual-frequency Yb : Er glass laser. The method consists of a self-injection process in which one selected mode serves as a master oscillator to lock and stabilize the second mode via a frequency-shifted optical feedback. The beat note adjusted near 170 MHz was stabilized with an accuracy of 250 mHz using an optical feedback loop with a double pass through an acousto-optic modulator. The beating note can be tuned over 300 kHz by controlling the reference oscillator. The extensions and limitations of the technique are discussed.

© 2007 Optical Society of America

OCIS Codes
(140.3500) Lasers and laser optics : Lasers, erbium
(140.3520) Lasers and laser optics : Lasers, injection-locked
(140.5680) Lasers and laser optics : Rare earth and transition metal solid-state lasers
(230.1040) Optical devices : Acousto-optical devices

ToC Category:
Lasers and Laser Optics

Original Manuscript: December 21, 2006
Revised Manuscript: February 6, 2007
Manuscript Accepted: February 6, 2007
Published: April 3, 2007

Luc Kervevan, Hervé Gilles, Sylvain Girard, and Mathieu Laroche, "Beat-note jitter suppression in a dual-frequency laser using optical feedback," Opt. Lett. 32, 1099-1101 (2007)

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