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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 18, Iss. 6 — Mar. 15, 2010
  • pp: 5754–5762

Passive mode-locking of a diode-pumped Nd:YVO4 laser by intracavity SHG in PPKTP

Hristo Iliev, Danail Chuchumishev, Ivan Buchvarov, and Valentin Petrov  »View Author Affiliations

Optics Express, Vol. 18, Issue 6, pp. 5754-5762 (2010)

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Experimental results on passive mode-locking of a Nd:YVO4 laser using intracavity frequency doubling in periodically poled KTP (PPKTP) crystal are reported. Both, negative cascaded χ(2) lensing and frequency doubling nonlinear mirror (FDNLM) are exploited for the laser mode-locking. The FDNLM based on intensity dependent reflection in the laser cavity ensures self-starting and self-sustaining mode-locking while the cascaded χ(2) lens process contributes to substantial pulse shortening. This hybrid technique enables generation of stable trains of pulses at high-average output power with several picoseconds pulse width. The pulse repetition rate of the laser is 117 MHz with average output power ranging from 0.5 to 3.1 W and pulse duration from 2.9 to 5.2 ps.

© 2010 OSA

OCIS Codes
(140.3480) Lasers and laser optics : Lasers, diode-pumped
(140.3530) Lasers and laser optics : Lasers, neodymium
(140.4050) Lasers and laser optics : Mode-locked lasers

ToC Category:
Lasers and Laser Optics

Original Manuscript: December 14, 2009
Revised Manuscript: February 25, 2010
Manuscript Accepted: February 26, 2010
Published: March 8, 2010

Hristo Iliev, Danail Chuchumishev, Ivan Buchvarov, and Valentin Petrov, "Passive mode-locking of a diode-pumped Nd:YVO4 laser by intracavity SHG in PPKTP," Opt. Express 18, 5754-5762 (2010)

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