Thermally induced dephasing of high power second harmonic generation in MgO:LiNbO 3 waveguides

Guohui Li; Xinye Xu

doi:10.3788/COL201109.121901

Thermally induced dephasing of high power second harmonic generation in MgO:LiNbO ₃ waveguides

Guohui Li
, Xinye Xu^*

^*Corresponding author for this work

East China Normal University

Research output: Contribution to journal › Article › peer-review

4 Scopus citations

Abstract

High power second harmonic generation (SHG) in MgO-doped LiNbO ₃ waveguides is investigated using a three-dimensional (3D) coupled thermo-optical model. Simulations performed for a 1111.6-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.

Original language	English
Article number	121901
Journal	Chinese Optics Letters
Volume	9
Issue number	12
DOIs	https://doi.org/10.3788/COL201109.121901
State	Published - Dec 2011
Externally published	Yes

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abstract = "High power second harmonic generation (SHG) in MgO-doped LiNbO 3 waveguides is investigated using a three-dimensional (3D) coupled thermo-optical model. Simulations performed for a 1111.6-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.",

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year = "2011",

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doi = "10.3788/COL201109.121901",

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AU - Li, Guohui

AU - Xu, Xinye

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N2 - High power second harmonic generation (SHG) in MgO-doped LiNbO 3 waveguides is investigated using a three-dimensional (3D) coupled thermo-optical model. Simulations performed for a 1111.6-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.

AB - High power second harmonic generation (SHG) in MgO-doped LiNbO 3 waveguides is investigated using a three-dimensional (3D) coupled thermo-optical model. Simulations performed for a 1111.6-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.

UR - https://www.scopus.com/pages/publications/84862952652

U2 - 10.3788/COL201109.121901

DO - 10.3788/COL201109.121901

M3 - 文章

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SN - 1671-7694

VL - 9

JO - Chinese Optics Letters

JF - Chinese Optics Letters

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M1 - 121901

ER -

Thermally induced dephasing of high power second harmonic generation in MgO:LiNbO ₃ waveguides

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