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Optics Express

Optics Express

  • Editor: Michael Duncan
  • Vol. 14, Iss. 16 — Aug. 7, 2006
  • pp: 7093–7098

Stable mode-locked operation of a low repetition rate diode-pumped Nd:GdVO4 laser by combining quadratic polarisation switching and a semiconductor saturable absorber mirror

Christoph Gerhard, Frédéric Druon, Patrick Georges, Vincent Couderc, and Philippe Leproux  »View Author Affiliations


Optics Express, Vol. 14, Issue 16, pp. 7093-7098 (2006)
http://dx.doi.org/10.1364/OE.14.007093


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Abstract

In this paper, we present the mode-locked operation of an ultra-robustly stabilised Nd:GdVO4 laser with low repetition rate by combining quadratic polarisation switching and a semiconductor saturable absorber mirror (SESAM). In addition, similar experiment was also done with Nd:YVO4. For Nd:GdVO4, 16-ps pulses at 1063nm with a repetition rate of 3.95MHz have been obtained for a laser average output power of 1.4W. For Nd:YVO4, the performance was 2.5W of average power for 15-ps pulses at 1064nm. Moreover, we demonstrate experimentally the advantage of combining these two passive mode locking techniques in terms of stability ranges. We show how the dual mode-locking technique is crucial to obtain a stable and long-term mode-locked regime in our case of a diode-pumped Nd:GdVO4 laser operating at low repetition rate and more generally how this dual mode-locking technique improves the stability range of the mode-locked operation giving more flexibility on different parameters.

© 2006 Optical Society of America

OCIS Codes
(140.3530) Lasers and laser optics : Lasers, neodymium
(140.3580) Lasers and laser optics : Lasers, solid-state
(140.4050) Lasers and laser optics : Mode-locked lasers

ToC Category:
Lasers and Laser Optics

History
Original Manuscript: May 1, 2006
Revised Manuscript: July 5, 2006
Manuscript Accepted: July 7, 2006
Published: August 7, 2006

Citation
Christoph Gerhard, Frédéric Druon, Patrick Georges, Vincent Couderc, and Philippe Leproux, "Stable mode-locked operation of a low repetition rate diode-pumped Nd:GdVO4 laser by combining quadratic polarisation switching and a semiconductor saturable absorber mirror," Opt. Express 14, 7093-7098 (2006)
http://www.opticsinfobase.org/oe/abstract.cfm?URI=oe-14-16-7093


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References

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