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Optics Letters

Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Editor: Alan E. Willner
  • Vol. 37, Iss. 21 — Nov. 1, 2012
  • pp: 4401–4403

Dispersion-free pulse duration reduction of passively Q-switched microchip lasers

R. Lehneis, A. Steinmetz, C. Jauregui, J. Limpert, and A. Tünnermann  »View Author Affiliations


Optics Letters, Vol. 37, Issue 21, pp. 4401-4403 (2012)
http://dx.doi.org/10.1364/OL.37.004401


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Abstract

We present a dispersion-free method for the pulse duration reduction of passively Q -switched microchip laser (MCL) seed sources. This technique comprises two stages: one that carries out the self-phase modulation induced spectral broadening in a waveguide structure and a subsequent spectral filtering stage in order to shorten the pulses in time domain. The setup of a proof-of-principle experiment consists of a fiber-amplified passively Q -switched MCL, a passive single-mode fiber used as nonlinear element in which the spectrum is broadened, and a reflective volume-Bragg-grating acting as bandpass filter. A reduction of the pulse duration from 118 to 32 ps with high temporal quality has been achieved with this setup.

© 2012 Optical Society of America

OCIS Codes
(140.3540) Lasers and laser optics : Lasers, Q-switched
(320.5520) Ultrafast optics : Pulse compression
(320.5540) Ultrafast optics : Pulse shaping

ToC Category:
Lasers and Laser Optics

History
Original Manuscript: July 3, 2012
Revised Manuscript: September 6, 2012
Manuscript Accepted: September 17, 2012
Published: October 19, 2012

Citation
R. Lehneis, A. Steinmetz, C. Jauregui, J. Limpert, and A. Tünnermann, "Dispersion-free pulse duration reduction of passively Q-switched microchip lasers," Opt. Lett. 37, 4401-4403 (2012)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-37-21-4401

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