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Optics Letters

Optics Letters


  • Editor: Alan E. Willner
  • Vol. 37, Iss. 18 — Sep. 15, 2012
  • pp: 3909–3911

Mode-locked, continuous-wave, singly resonant optical parametric oscillator

Kavita Devi, S. Chaitanya Kumar, and M. Ebrahim-Zadeh  »View Author Affiliations

Optics Letters, Vol. 37, Issue 18, pp. 3909-3911 (2012)

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We report an actively mode-locked continuous-wave (cw) optical parametric oscillator in singly resonant oscillator (SRO) configuration, generating stable 230 ps pulses at 80 MHz repetition rate. The idler-resonant cw SRO, configured in standing-wave cavity, is based on MgO:sPPLT as the nonlinear gain material and pumped at 532 nm. Mode-locking is achieved by direct deployment of an intracavity phase modulator close to one of the SRO cavity end mirrors. The effects of modulation depth and modulation frequency on mode-locked pulse duration and repetition rate are investigated for both idler and signal pulses. Mode-locking is further confirmed by enhancement of single-pass second-harmonic generation of SRO output in the crystal of β - BaB 2 O 4 .

© 2012 Optical Society of America

OCIS Codes
(140.4050) Lasers and laser optics : Mode-locked lasers
(190.4360) Nonlinear optics : Nonlinear optics, devices
(190.4410) Nonlinear optics : Nonlinear optics, parametric processes
(190.4970) Nonlinear optics : Parametric oscillators and amplifiers

ToC Category:
Nonlinear Optics

Original Manuscript: July 11, 2012
Manuscript Accepted: July 31, 2012
Published: September 14, 2012

Kavita Devi, S. Chaitanya Kumar, and M. Ebrahim-Zadeh, "Mode-locked, continuous-wave, singly resonant optical parametric oscillator," Opt. Lett. 37, 3909-3911 (2012)

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