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Optics Letters

Optics Letters


  • 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)

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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

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

David G. Lancaster and Stuart D. Jackson, "In-fiber resonantly pumped Q-switched holmium fiber laser," Opt. Lett. 34, 3412-3414 (2009)

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