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Optics Letters

Optics Letters


  • Editor: Alan E. Willner
  • Vol. 37, Iss. 9 — May. 1, 2012
  • pp: 1436–1438

Efficient femtosecond optical parametric oscillator with dual-wavelength operation

Liang Xu, Xin Zhong, Jiangfeng Zhu, Hainian Han, and Zhiyi Wei  »View Author Affiliations

Optics Letters, Vol. 37, Issue 9, pp. 1436-1438 (2012)

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We demonstrated on a synchronously pumped femtosecond optical parametric oscillator with dual-signal-wavelength operation. Our results showed that the dual-wavelength oscillation is not determined by the net-zero dispersion but rather by the balance of phase matching and group-velocity mismatching caused by the nonlinear crystal between the two signals. With a MgO-doped periodically poled lithium niobate as the nonlinear crystal, total signal power up to 530 mW was obtained by using a 2.6 W femtosecond Ti:sapphire laser at the central wavelength of 808 nm as the pump source, corresponding to a conversion efficiency of 20.4%. By slightly adjusting the cavity length, the signal wavelength can be broadly tuned from 1001 to 1438 nm and the dual-wavelength tuning range is from 1001 to 1204 nm.

© 2012 Optical Society of America

OCIS Codes
(190.4410) Nonlinear optics : Nonlinear optics, parametric processes
(190.4970) Nonlinear optics : Parametric oscillators and amplifiers
(320.7090) Ultrafast optics : Ultrafast lasers
(320.7110) Ultrafast optics : Ultrafast nonlinear optics

ToC Category:
Nonlinear Optics

Original Manuscript: October 28, 2011
Revised Manuscript: February 26, 2012
Manuscript Accepted: March 5, 2012
Published: April 23, 2012

Liang Xu, Xin Zhong, Jiangfeng Zhu, Hainian Han, and Zhiyi Wei, "Efficient femtosecond optical parametric oscillator with dual-wavelength operation," Opt. Lett. 37, 1436-1438 (2012)

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Fig. 1. Fig. 2. Fig. 3.

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