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Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Editor: Alan E. Willner
  • Vol. 38, Iss. 15 — Aug. 1, 2013
  • pp: 2757–2759

Single-clad Tm–Ho:fiber amplifier for high-power sub-100-fs pulses around 1.9 μm

Nicola Coluccelli, Marco Cassinerio, Paolo Laporta, and Gianluca Galzerano  »View Author Affiliations


Optics Letters, Vol. 38, Issue 15, pp. 2757-2759 (2013)
http://dx.doi.org/10.1364/OL.38.002757


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Abstract

A Tm–Ho:fiber amplifier based on single-clad geometry is demonstrated for the generation of high-power femtosecond pulses around 1.9 μm. The amplifier is seeded by the low-power Raman soliton generated by an Er:fiber femtosecond laser. Pulse trains at a repetition rate of 250 MHz tunable from 1.84 to 1.92 μm with corresponding powers from 2.6 to 3 W and durations from 80 to 105 fs have been obtained. Beating with a single-frequency Tm laser has shown that the pulse coherence is highly preserved. The overall power fluctuations have been measured to be as low as 0.6%.

© 2013 Optical Society of America

OCIS Codes
(140.3510) Lasers and laser optics : Lasers, fiber
(190.4370) Nonlinear optics : Nonlinear optics, fibers
(320.7090) Ultrafast optics : Ultrafast lasers
(320.7160) Ultrafast optics : Ultrafast technology

ToC Category:
Ultrafast Optics

History
Original Manuscript: April 17, 2013
Revised Manuscript: July 19, 2013
Manuscript Accepted: July 2, 2013
Published: July 25, 2013

Citation
Nicola Coluccelli, Marco Cassinerio, Paolo Laporta, and Gianluca Galzerano, "Single-clad Tm–Ho:fiber amplifier for high-power sub-100-fs pulses around 1.9 μm," Opt. Lett. 38, 2757-2759 (2013)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-38-15-2757


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