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Optics Letters

Optics Letters


  • Vol. 36, Iss. 9 — May. 1, 2011
  • pp: 1671–1673

Broadband, rapidly tunable Ti:sapphire-pumped BiB 3 O 6 femtosecond optical parametric oscillator

A. Esteban-Martin, V. Ramaiah-Badarla, V. Petrov, and M. Ebrahim-Zadeh  »View Author Affiliations

Optics Letters, Vol. 36, Issue 9, pp. 1671-1673 (2011)

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We report a femtosecond optical parametric oscillator (OPO) based on the nonlinear material BiB 3 O 6 (BIBO) pumped directly by a Kerr lens mode-locked Ti:sapphire laser. Using a 1.5 mm long BIBO crystal cut at θ = 11.4 ° for collinear type I ( e o + o ) phase matching in the x z optical plane, femtosecond signal pulses across 1.4 1.6 μm , and idler pulses across 1.6 1.87 μm spectral range are generated, limited by the reflectivity bandwidth of the OPO mirrors. The high nonlinear gain and large spectral acceptance for type I interaction in the x z plane of BIBO permit rapid and continuous tuning across the entire range by simple fine adjustment of OPO cavity delay or through small changes in the pump wavelength, without varying any other parameters. Additionally, owing to the near-zero group velocity mismatch and dispersion, the OPO supports broad spectrum as wide as 33 nm , which results in self-compressed signal pulses. For 150 fs pump pulses, signal pulses with durations down to 106 fs with a time-bandwidth product of 0.48 are obtained without the need for intracavity dispersion compensation.

© 2011 Optical Society of America

OCIS Codes
(140.3600) Lasers and laser optics : Lasers, tunable
(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: January 18, 2011
Revised Manuscript: March 28, 2011
Manuscript Accepted: March 31, 2011
Published: April 28, 2011

A. Esteban-Martin, V. Ramaiah-Badarla, V. Petrov, and M. Ebrahim-Zadeh, "Broadband, rapidly tunable Ti:sapphire-pumped BiB3O6 femtosecond optical parametric oscillator," Opt. Lett. 36, 1671-1673 (2011)

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