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Optics Letters

Optics Letters


  • Editor: Alan E. Willner
  • Vol. 37, Iss. 5 — Mar. 1, 2012
  • pp: 791–793

Heterodyne beatings between frequency-shifted feedback lasers

Hugues Guillet de Chatellus, Eric Lacot, Olivier Jacquin, Wilfried Glastre, and Olivier Hugon  »View Author Affiliations

Optics Letters, Vol. 37, Issue 5, pp. 791-793 (2012)

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Frequency-shifted feedback (FSF) lasers are potential candidates for long distance telemetry due to the appearance of beatings in the noise spectrum at the output of a homodyne interferometer: the frequencies of these beatings vary linearly with the path delay. In this Letter we demonstrate that these beatings also occur in the heterodyne mixing of two identical, but distinct, FSF lasers. This phenomenon is explained by the passive cavity model and is exploited to characterize the time–spectrum properties of FSF lasers. Consequences on telemetry with FSF lasers are presented.

© 2012 Optical Society of America

OCIS Codes
(070.4790) Fourier optics and signal processing : Spectrum analysis
(140.2050) Lasers and laser optics : Dye lasers
(140.3430) Lasers and laser optics : Laser theory
(280.3420) Remote sensing and sensors : Laser sensors

ToC Category:
Lasers and Laser Optics

Original Manuscript: November 16, 2011
Revised Manuscript: January 6, 2012
Manuscript Accepted: January 6, 2012
Published: February 21, 2012

Hugues Guillet de Chatellus, Eric Lacot, Olivier Jacquin, Wilfried Glastre, and Olivier Hugon, "Heterodyne beatings between frequency-shifted feedback lasers," Opt. Lett. 37, 791-793 (2012)

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