Wave-front engineering by Huygens-Fresnel principle for nonlinear optical interactions in domain engineered structures
Abstract
The wave-front engineering for nonlinear optical interactions was discussed. Using Huygens-Fresnel principle we developed a general theory and technique for domain engineering with conventional quasi-phase-matching structures being the special cases. By Fourier analysis we put forward the concept of local quasi-phase matching, which suggests that the quasi-phase matching is fulfilled only locally not globally. Experiments on focal effect of second-harmonic wave agreed well with the theoretical prediction. The proposed scheme combines three optical functions: generation, focusing and beam splitting of second-harmonic wave, thus making the device more compact. Further the proposed scheme can be used to perform the integration of multi-functional optical properties in nonlinear photonics, as well as expand the use of nonlinear optical devices.
Cite
@article{arxiv.0706.3111,
title = {Wave-front engineering by Huygens-Fresnel principle for nonlinear optical interactions in domain engineered structures},
author = {Yi-qiang Qin and Chao Zhang and Yong-yuan Zhu},
journal= {arXiv preprint arXiv:0706.3111},
year = {2009}
}