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 - Archive ouverte HAL
Article Dans Une Revue Optics Express Année : 2006

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

Résumé

In this paper, we present the mode-locked operation of an ultrarobustly 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 for15-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 modelocked operation giving more flexibility on different parameters
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Dates et versions

hal-00127373 , version 1 (30-03-2012)

Identifiants

  • HAL Id : hal-00127373 , version 1

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Christoph Gerhard, Frédéric Druon, Patrick Georges, Vincent Couderc, 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. Optics Express, 2006, vol.14, n°16, pp.7093-7098. ⟨hal-00127373⟩
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