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Optics Letters

Optics Letters


  • Vol. 32, Iss. 5 — Mar. 1, 2007
  • pp: 484–486

Active stabilization of a rapidly chirped laser by an optoelectronic digital servo-loop control

G. Gorju, A. Jucha, A. Jain, V. Crozatier, I. Lorgeré, J.-L. Le Gouët, F. Bretenaker, and M. Colice  »View Author Affiliations

Optics Letters, Vol. 32, Issue 5, pp. 484-486 (2007)

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We propose and demonstrate a novel active stabilization scheme for wide and fast frequency chirps. The system measures the laser instantaneous frequency deviation from a perfectly linear chirp, thanks to a digital phase detection process, and provides an error signal that is used to servo-loop control the chirped laser. This way, the frequency errors affecting a laser scan over 10 GHz on the millisecond timescale are drastically reduced below 100 kHz . This active optoelectronic digital servo-loop control opens new and interesting perspectives in fields where rapidly chirped lasers are crucial.

© 2007 Optical Society of America

OCIS Codes
(070.4790) Fourier optics and signal processing : Spectrum analysis
(120.4570) Instrumentation, measurement, and metrology : Optical design of instruments
(140.2020) Lasers and laser optics : Diode lasers
(140.3600) Lasers and laser optics : Lasers, tunable

ToC Category:
Instrumentation, Measurement, and Metrology

Original Manuscript: September 28, 2006
Revised Manuscript: November 20, 2006
Manuscript Accepted: November 25, 2006
Published: February 2, 2007

G. Gorju, A. Jucha, A. Jain, V. Crozatier, I. Lorgeré, J.-L. Le Gouët, F. Bretenaker, and M. Colice, "Active stabilization of a rapidly chirped laser by an optoelectronic digital servo-loop control," Opt. Lett. 32, 484-486 (2007)

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