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Optics Letters

Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Editor: Anthony J. Campillo
  • Vol. 31, Iss. 6 — Mar. 15, 2006
  • pp: 751–753

Passively Q-switched fiber laser that uses saturable Raman gain

Yucheng Zhao and Stuart D. Jackson  »View Author Affiliations


Optics Letters, Vol. 31, Issue 6, pp. 751-753 (2006)
http://dx.doi.org/10.1364/OL.31.000751


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Abstract

Operation of a short all-fiber passively Q-switched Raman laser pumped by a continuous-wave laser diode is experimentally demonstrated. The passively switched fiber laser consists simply of a double-clad ytterbium-doped silica fiber that is spliced directly to a moderately germanium-doped silica fiber. The placement of the Ge-doped silica fiber within the fundamental (Raman pump) cavity allows interplay between fundamental and Stokes fields to take place, which leads to saturation of the Raman gain as a result of pump depletion. Pulse widths of 70 and 60 ns at the first and second Stokes wavelengths of 1168 and 1232 nm , respectively, are produced at a stable 588 kHz repetition rate.

© 2006 Optical Society of America

OCIS Codes
(140.3510) Lasers and laser optics : Lasers, fiber
(140.3540) Lasers and laser optics : Lasers, Q-switched
(140.3550) Lasers and laser optics : Lasers, Raman

ToC Category:
Lasers and Laser Optics

History
Original Manuscript: September 13, 2005
Revised Manuscript: November 22, 2005
Manuscript Accepted: November 30, 2005

Citation
Yucheng Zhao and Stuart D. Jackson, "Passively Q-switched fiber laser that uses saturable Raman gain," Opt. Lett. 31, 751-753 (2006)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-31-6-751

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