Coupled mode equations are derived for three wave mixing processes induced in centrosymmetric materials by thermal poling. It is found that degeneracy of the DC field involved inherently doubles terms associated with nonlinear generation.
© 2008 Optical Society of America
(190.0190) Nonlinear optics : Nonlinear optics
(190.4410) Nonlinear optics : Nonlinear optics, parametric processes
(260.0260) Physical optics : Physical optics
(260.2110) Physical optics : Electromagnetic optics
C. A. Sapiano, J. S. Aitchison, and L. Qian, "Inherent Enhancement of Nonlinear Generation Terms in DC-Induced Three Wave Mixing Coupled Mode Equations," in Conference on Lasers and Electro-Optics/Quantum Electronics and Laser Science Conference and Photonic Applications Systems Technologies, OSA Technical Digest (CD) (Optical Society of America, 2008), paper CMBB3.
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