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Journal of the Optical Society of America B

Journal of the Optical Society of America B

| OPTICAL PHYSICS

  • Editor: Henry M. Van Driel
  • Vol. 25, Iss. 7 — Jul. 1, 2008
  • pp: 1178–1186

Dynamics of an ultrahigh-repetition-rate passively mode-locked Raman fiber laser

Jochen Schröder, Dario Alasia, Thibaut Sylvestre, and Stéphane Coen  »View Author Affiliations


JOSA B, Vol. 25, Issue 7, pp. 1178-1186 (2008)
http://dx.doi.org/10.1364/JOSAB.25.001178


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Abstract

We present an extended study of an ultrahigh-repetition-rate Raman fiber laser passively mode-locked through dissipative four-wave mixing. We demonstrate mode locking at 100 and 160 GHz repetition rates, corresponding to harmonic frequencies more than 400,000 times the cavity resonance frequency. By varying the output coupling ratio we are able to change the threshold and slope efficiency of the laser. The maximum average output power achieved was 926 mW , a further twofold increase of the output power reported previously for this type of laser. Further numerical analysis reveals that the main factor limiting the pulse quality of our setup is supermode noise. Subsequently, we experimentally investigate the use of all-fiber subcavity Fabry–Perot filters to reduce the noise and demonstrate a significant improvement in the laser operation.

© 2008 Optical Society of America

OCIS Codes
(140.3510) Lasers and laser optics : Lasers, fiber
(140.3550) Lasers and laser optics : Lasers, Raman
(140.4050) Lasers and laser optics : Mode-locked lasers
(190.4380) Nonlinear optics : Nonlinear optics, four-wave mixing
(140.3425) Lasers and laser optics : Laser stabilization

ToC Category:
Lasers and Laser Optics

History
Original Manuscript: January 24, 2008
Revised Manuscript: May 2, 2008
Manuscript Accepted: May 2, 2008
Published: June 25, 2008

Citation
Jochen Schröder, Dario Alasia, Thibaut Sylvestre, and Stéphane Coen, "Dynamics of an ultrahigh-repetition-rate passively mode-locked Raman fiber laser," J. Opt. Soc. Am. B 25, 1178-1186 (2008)
http://www.opticsinfobase.org/josab/abstract.cfm?URI=josab-25-7-1178

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