Multi-pairs of SHG were observed in 2D-QPM nonlinear photonic crystal with a spectral tuning range over 150nm by 1.55μm pump OPO. These observations are ascribed to the Gmn(font face="symbol"/font) dispersion in the tetragonal QPM structure.
© 2004 Optical Society of America
C. Hsu, L. Peng, J. Ng, and A. H. Kung, "Wide tuning and multi-wavelength SHG from 2D Χ(2) nonlinear photonic crystal of tetragonal lattice structure," in Conference on Lasers and Electro-Optics/International Quantum Electronics Conference and Photonic Applications Systems Technologies, Technical Digest (CD) (Optical Society of America, 2004), paper CThU1.
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