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Optics Letters

Optics Letters


  • Editor: Alan E. Willner
  • Vol. 33, Iss. 22 — Nov. 15, 2008
  • pp: 2650–2652

Efficient, high-repetition-rate, femtosecond optical parametric oscillator tunable in the red

A. Esteban-Martin, O. Kokabee, and M. Ebrahim-Zadeh  »View Author Affiliations

Optics Letters, Vol. 33, Issue 22, pp. 2650-2652 (2008)

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We report efficient generation of tunable femtosecond pulses in the red by internal frequency doubling of an optical parametric oscillator (OPO) based on periodically poled Li Nb O 3 (PPLN). The OPO, based on a 1-mm-thick PPLN crystal, is synchronously pumped by a femtosecond Ti:sapphire laser at 810 nm , providing signal pulses across 1.33 1.57 μ m at a 76 MHz repetition rate. Using a 1-mm-thick crystal of Bi B 3 O 6 (BIBO) internal to the OPO cavity, we achieve frequency doubling of signal pulses across 665 785 nm with up to 260 mW of average power for 1.51 W of pump. The high nonlinear gain and phase-matching acceptance in PPLN and BIBO permit convenient tuning across the full range by simple detuning of OPO cavity delay. Intracavity dispersion compensation results in near-transform-limited red pulses with durations down to 140 fs for 185 fs input pump pulses.

© 2008 Optical Society of America

OCIS Codes
(140.3600) Lasers and laser optics : Lasers, tunable
(140.7300) Lasers and laser optics : Visible lasers
(190.2620) Nonlinear optics : Harmonic generation and mixing
(190.4400) Nonlinear optics : Nonlinear optics, materials
(190.4970) Nonlinear optics : Parametric oscillators and amplifiers
(190.7110) Nonlinear optics : Ultrafast nonlinear optics

ToC Category:
Nonlinear Optics

Original Manuscript: August 7, 2008
Revised Manuscript: September 15, 2008
Manuscript Accepted: September 16, 2008
Published: November 12, 2008

A. Esteban-Martin, O. Kokabee, and M. Ebrahim-Zadeh, "Efficient, high-repetition-rate, femtosecond optical parametric oscillator tunable in the red," Opt. Lett. 33, 2650-2652 (2008)

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