We report a generalized quantitative analysis of the origin of optical interference in two-dimensional nonlinear photonic crystals. The results are verified by a second harmonic generation experiment in a 2-D periodically-poled LiNbO<sup>3</sup>crystal.
© 2008 Optical Society of America
(050.0050) Diffraction and gratings : Diffraction and gratings
(190.0190) Nonlinear optics : Nonlinear optics
(190.2620) Nonlinear optics : Harmonic generation and mixing
(050.5298) Diffraction and gratings : Photonic crystals
C. Lai, L. Peng, and A. H. Kung, "Optical Interference in Nonlinear Photonic Crystals," 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 CThGG3.
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