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Optics Letters

Optics Letters


  • Vol. 36, Iss. 6 — Mar. 15, 2011
  • pp: 921–923

Efficient parametric conversion from 1.06 to 3.8 μm by an aperiodically poled cascaded lithium niobate

Tao Chen, Bo Wu, Wei Liu, Peipei Jiang, Jian Kong, and Yonghang Shen  »View Author Affiliations

Optics Letters, Vol. 36, Issue 6, pp. 921-923 (2011)

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We experimentally demonstrated an efficient optical parametric oscillator (OPO) with high parametric conversion from 1.0645 to 3.8 μm . An aperiodically poled magnesium oxide doped lithium niobate wafer was designed and fabricated as the nonlinear crystal of the OPO. A linearly polarized acousto-optic Q-switched Nd : YVO 4 laser was used as the pump source. High pump-to-idler conversion efficiency of 18.5% was achieved with a slope efficiency of up to 21.5%. When compared with a periodically poled channel fabricated on the same wafer, under the condition of output coupler optimized for the periodically poled lithium niobate based OPO, an improvement of slope efficiency by 28.3% from 15.2% to 19.5% and total efficiency by 12.5% from 13.6% to 15.3% under the highest pump power of 11 W was realized for the pump-to-idler conversion.

© 2011 Optical Society of America

OCIS Codes
(140.3070) Lasers and laser optics : Infrared and far-infrared lasers
(190.4970) Nonlinear optics : Parametric oscillators and amplifiers
(190.4223) Nonlinear optics : Nonlinear wave mixing

ToC Category:
Lasers and Laser Optics

Original Manuscript: January 11, 2011
Revised Manuscript: February 14, 2011
Manuscript Accepted: February 15, 2011
Published: March 10, 2011

Tao Chen, Bo Wu, Wei Liu, Peipei Jiang, Jian Kong, and Yonghang Shen, "Efficient parametric conversion from 1.06 to 3.8 μm by an aperiodically poled cascaded lithium niobate," Opt. Lett. 36, 921-923 (2011)

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