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Chinese Optics Letters

Chinese Optics Letters


  • Editor: Zhizhan Xu
  • Vol. 9, Iss. 12 — Dec. 1, 2011
  • pp: 121901–

Thermally induced dephasing of high power second harmonic generation in MgO:LiNbO3 waveguides

Guohui Li and Xinye Xu  »View Author Affiliations

Chinese Optics Letters, Vol. 9, Issue 12, pp. 121901- (2011)

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High power second harmonic generation (SHG) in MgO-doped LiNbO3 waveguides is investigated using a three-dimensional (3D) coupled thermo-optical model. Simulations performed for a 1 111.6-nm fundamental laser show the influence of the absorptions and the thermally induced dephasing on the conversion efficiencies of the different waveguides. The onset of the thermally induced dephasing effect for each waveguide is also indicated. As a result of high light intensity in the waveguide, nonlinear absorptions are identified as the possible main factors in efficiency losses in specific cases.

© 2011 Chinese Optics Letters

OCIS Codes
(190.2620) Nonlinear optics : Harmonic generation and mixing
(190.4390) Nonlinear optics : Nonlinear optics, integrated optics
(190.4870) Nonlinear optics : Photothermal effects

ToC Category:
Nonlinear Optics

Guohui Li and Xinye Xu, "Thermally induced dephasing of high power second harmonic generation in MgO:LiNbO3 waveguides," Chin. Opt. Lett. 9, 121901- (2011)

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