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Optics Letters

Optics Letters


  • Editor: Alan E. Willner
  • Vol. 35, Iss. 10 — May. 15, 2010
  • pp: 1500–1502

Pulse-shape improvement during amplification and second-harmonic generation of picosecond pulses at 531 nm

Sina M. Riecke, Kristian Lauritsen, Rainer Erdmann, Mirko Uebernickel, Katrin Paschke, and Götz Erbert  »View Author Affiliations

Optics Letters, Vol. 35, Issue 10, pp. 1500-1502 (2010)

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We study second-harmonic generation of picosecond pulses in bulk periodically poled lithium niobate using an all-semiconductor master oscillator–power amplifier with gain-switched seed as our fundamental source. Both during amplification and during the subsequent second-harmonic generation, the signal pulse shape improves, and the resulting pulses at 531 nm are nearly independent of the seed pump conditions. Over a wide range of repetition rates and seed settings, we obtain green pulses with a duration of less than 31 ps FWHM and a peak power of more than 5.1 W . We further investigate the influence of the fundamental’s spectral dynamics on pulsed second-harmonic generation efficiency and obtain excellent agreement between our measurements and previously published theoretical treatments.

© 2010 Optical Society of America

OCIS Codes
(140.2020) Lasers and laser optics : Diode lasers
(140.3490) Lasers and laser optics : Lasers, distributed-feedback
(140.7090) Lasers and laser optics : Ultrafast lasers
(140.7300) Lasers and laser optics : Visible lasers
(190.2620) Nonlinear optics : Harmonic generation and mixing
(140.3515) Lasers and laser optics : Lasers, frequency doubled

ToC Category:
Lasers and Laser Optics

Original Manuscript: February 3, 2010
Revised Manuscript: March 31, 2010
Manuscript Accepted: April 5, 2010
Published: May 4, 2010

Sina M. Riecke, Kristian Lauritsen, Rainer Erdmann, Mirko Uebernickel, Katrin Paschke, and Götz Erbert, "Pulse-shape improvement during amplification and second-harmonic generation of picosecond pulses at 531 nm," Opt. Lett. 35, 1500-1502 (2010)

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