Optimal design of DFG-based wavelength conversion based on hybrid genetic algorithm

Xueming Liu; Yanhe Li

doi:10.1117/12.575137

28 January 2005 Optimal design of DFG-based wavelength conversion based on hybrid genetic algorithm

Xueming Liu, Yanhe Li

Proceedings Volume 5646, Nonlinear Optical Phenomena and Applications; (2005) https://doi.org/10.1117/12.575137
Event: Photonics Asia, 2004, Beijing, China

Abstract

Based on such techniques as clustering, sharing, crowding and elite replacement, a hybrid genetic algorithm (GA) is proposed. This GA can effectively solve the multimodal optimization including the global and local optima in the quasi-phase-matching (QPM) difference frequency generation (DFG). The conversion efficiency and bandwidth, based on QPM-DFG, are optimized by the matrix operator and hybrid GA. Optimized examples for five-, six- and seven-segment QPM gratings are given, respectively. The optimal results show that adding the segment number of QPM can obviously broaden the conversion bandwidth.

Citation Download Citation

Xueming Liu and Yanhe Li "Optimal design of DFG-based wavelength conversion based on hybrid genetic algorithm", Proc. SPIE 5646, Nonlinear Optical Phenomena and Applications, (28 January 2005); https://doi.org/10.1117/12.575137

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