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Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Editor: Alan E. Willner
  • Vol. 34, Iss. 21 — Nov. 1, 2009
  • pp: 3412–3414

In-fiber resonantly pumped Q-switched holmium fiber laser

David G. Lancaster and Stuart D. Jackson  »View Author Affiliations


Optics Letters, Vol. 34, Issue 21, pp. 3412-3414 (2009)
http://dx.doi.org/10.1364/OL.34.003412


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Abstract

We demonstrate a double-clad fiber laser that incorporates a pump-light absorbing coaxially located Tm 3 + -doped outer core that reaches threshold and resonantly pumps an Ho 3 + -doped inner core. Under cw diode pumping, the output from the laser displays a pulse modulated behavior at wavelengths corresponding to the Tm 3 + transition and short gain switched pulses from the Ho 3 + core that have mode-locked characteristics. The Ho 3 + and Tm 3 + fiber lasers simultaneously produced 1.5 W across 2040–2140 nm and operate at a pulse repetition frequency of 80   kHz and at pulse widths as short as 330 ns.

© 2009 Optical Society of America

OCIS Codes
(140.3510) Lasers and laser optics : Lasers, fiber
(060.3510) Fiber optics and optical communications : Lasers, fiber

ToC Category:
Lasers and Laser Optics

History
Original Manuscript: July 31, 2009
Revised Manuscript: September 29, 2009
Manuscript Accepted: September 29, 2009
Published: October 29, 2009

Citation
David G. Lancaster and Stuart D. Jackson, "In-fiber resonantly pumped Q-switched holmium fiber laser," Opt. Lett. 34, 3412-3414 (2009)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-34-21-3412


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References

  1. E. Snitzer, H. Po, F. Hakimi, R. Tumminelli, and B. C. McCollum, in Optical Fiber Sensors, Vol. 2 of OSA Technical Digest Series (Optical Society of America, 1988), paper PD5.
  2. J. Nilsson, R. Paschotta, J. E. Caplen, and D. C. Hanna, Opt. Lett. 22, 1092 (1997). [CrossRef] [PubMed]
  3. D. Hanna, “Optical fibre with doped core and doped inner cladding, for use in an optical fibre laser,” U.S. patent 5,291,501 (March 1, 1994).
  4. S. D. Jackson, IEEE Photon. Technol. Lett. 18, 1885 (2006). [CrossRef]

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