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Optics Letters

Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Vol. 26, Iss. 10 — May. 15, 2001
  • pp: 692–694

Suppression of Q-switch instabilities by feedback control in passively mode-locked lasers

Nicolas Joly and Serge Bielawski  »View Author Affiliations


Optics Letters, Vol. 26, Issue 10, pp. 692-694 (2001)
http://dx.doi.org/10.1364/OL.26.000692


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Abstract

We propose a feedback technique for obtaining stable mode-locked operation in lasers that would normally exhibit Q switching. Using the Haus model with population dynamics, we examine numerically the case in which the intensity is monitored by a slow detector and fed back to the pump power after electronic derivation. This approach allows elimination of Q switching in all situations considered, in particular, in lasers with a long upper-state lifetime.

© 2001 Optical Society of America

OCIS Codes
(140.4050) Lasers and laser optics : Mode-locked lasers
(190.3100) Nonlinear optics : Instabilities and chaos

Citation
Nicolas Joly and Serge Bielawski, "Suppression of Q-switch instabilities by feedback control in passively mode-locked lasers," Opt. Lett. 26, 692-694 (2001)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-26-10-692

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