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Optics Letters

Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Editor: Alan E. Willner
  • Vol. 34, Iss. 19 — Oct. 1, 2009
  • pp: 2891–2893

All-fiber passively Q-switched erbium laser using mismatch of mode field areas and a saturable-amplifier pump switch

Tzong-Yow Tsai, Yen-Cheng Fang, Zhi-Cheng Lee, and Hong-Xi Tsao  »View Author Affiliations


Optics Letters, Vol. 34, Issue 19, pp. 2891-2893 (2009)
http://dx.doi.org/10.1364/OL.34.002891


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Abstract

We propose and demonstrate an all-fiber self-Q-switched erbium laser system that is saturable-absorber Q switched by the mismatch of the mode-field areas in the resonator and stabilized with a saturable-amplifier pump switch. Sequential pulses with a pulse energy of 8–6 μJ and a pulse duration of 80–320 ns, corresponding to a pulse repetition rate of 0.25–1 kHz, were obtained using a cw 980 nm laser-diode pump. A peak pulse power of near 100 W was achieved.

© 2009 Optical Society of America

OCIS Codes
(060.2310) Fiber optics and optical communications : Fiber optics
(140.3510) Lasers and laser optics : Lasers, fiber
(140.3540) Lasers and laser optics : Lasers, Q-switched

ToC Category:
Lasers and Laser Optics

History
Original Manuscript: June 24, 2009
Revised Manuscript: August 6, 2009
Manuscript Accepted: August 18, 2009
Published: September 17, 2009

Citation
Tzong-Yow Tsai, Yen-Cheng Fang, Zhi-Cheng Lee, and Hong-Xi Tsao, "All-fiber passively Q-switched erbium laser using mismatch of mode field areas and a saturable-amplifier pump switch," Opt. Lett. 34, 2891-2893 (2009)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-34-19-2891

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