Nonlinear conversion efficiency of random quasi-phase matching in polycrystal influenced by grain morphological properties

Kefei Liu; Kai Zhong; Xianzhong Zhang; Fangjie Li; Degang Xu; Jianquan Yao

doi:10.1117/12.2573264

10 October 2020 Nonlinear conversion efficiency of random quasi-phase matching in polycrystal influenced by grain morphological properties

Kefei Liu, Kai Zhong, Xianzhong Zhang, Fangjie Li, Degang Xu, Jianquan Yao

Author Affiliations +

Proceedings Volume 11558, Quantum and Nonlinear Optics VII; 1155805 (2020) https://doi.org/10.1117/12.2573264
Event: SPIE/COS Photonics Asia, 2020, Online Only

Abstract

A Monte-Carlo simulation was performed on the efficiency of random quasi-phase matching (RQPM) nonlinear optical frequency conversion in polycrystalline materials to show the detailed influence of the statistical grain morphology properties. The simulation took second harmonic generation (SHG) for example and considered the parameters of beam size, beam distribution, fundamental wavelength variation, polycrystalline average grain size (mean), standard deviation (Std), etc. The results and conclusions could enrich the theory of RQPM and provide guidance for polycrystalline material processing and sample selection for specific nonlinear-optical experiments.

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Citation Download Citation

Kefei Liu, Kai Zhong, Xianzhong Zhang, Fangjie Li, Degang Xu, and Jianquan Yao "Nonlinear conversion efficiency of random quasi-phase matching in polycrystal influenced by grain morphological properties", Proc. SPIE 11558, Quantum and Nonlinear Optics VII, 1155805 (10 October 2020); https://doi.org/10.1117/12.2573264

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