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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 16, Iss. 26 — Dec. 22, 2008
  • pp: 22058–22063

Passively Q-switched Tm3+, Ho3+-doped silica fiber laser using a highly nonlinear saturable absorber and dynamic gain pulse compression

Samuli Kivistö, Riku Koskinen, Jonna Paajaste, Stuart D. Jackson, Mircea Guina, and Oleg G. Okhotnikov  »View Author Affiliations


Optics Express, Vol. 16, Issue 26, pp. 22058-22063 (2008)
http://dx.doi.org/10.1364/OE.16.022058


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Abstract

We demonstrate a compact core-pumped 2 µm Tm3+, Ho3+-doped all-fiber laser passively Q-switched with an antimony-based saturable absorber. The 20 ns pulses are the shortest Q-switched pulses from a fiber laser operating beyond 1850 nm and were produced at a repetition rate of 57 kHz and pulse energy of 15 µJ using a short-length (4 ns) cavity. The large absorber modulation depth of ~70% together with transient gain compression is shown to provide an efficient mechanism for Q-switched pulse shortening.

© 2008 Optical Society of America

OCIS Codes
(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: October 10, 2008
Revised Manuscript: December 16, 2008
Manuscript Accepted: December 17, 2008
Published: December 19, 2008

Citation
Samuli Kivistö, Riku Koskinen, Jonna Paajaste, Stuart D. Jackson, Mircea Guina, and Oleg G. Okhotnikov, "Passively Q-switched Tm3+, Ho3+-doped silica fiber laser using a highly nonlinear saturable absorber and dynamic gain pulse compression," Opt. Express 16, 22058-22063 (2008)
http://www.opticsinfobase.org/oe/abstract.cfm?URI=oe-16-26-22058


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References

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