Abstract
We analytically describe quasi-phase matched second-harmonic generation in the mid-IR region in a parallel isotropic semiconductor slab made of Zinc Telluride (ZnTe) and Cadmium Telluride (CdTe) using total internal reflection quasi phase matching technique. The simulated results indicate conversion efficiencies of 4.08% (centered at 8.495 -mm-long slab of ZnTe and CdTe respectively. The losses due to surface roughness, Goos-Hanchen shift and absorption of the slab have been considered in the analysis. The effect of variation in the angle of incidence has been studied for both the materials. Keywords-second-harmonic generation, total internal reflection, quasi phase matching, isotropic, zinc telluride, cadmium telluride.
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