Analysis of effect factors for second harmonic generation in the centro-symmetric materials photonic crystals

In this paper we focus on analyzing the effect factors of second harmonic generation in the photonic crystals which was presented in Optics Express Vol.12, No.22. Firstly we give the basic theory of second harmonic generation in photonic crystals, and then the main factors of affecting on SHG in cen...

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Bibliographic Details
Main Authors: Jianping Shi, Hongguang Xu, Zhifeng Cui, Qizheng Wei, Xunan Chen
Format: Conference Proceeding
Language:English
Subjects:
Crystalline materials
Finite difference methods
Frequency conversion
Harmonic analysis
Nonlinear optics
Optical harmonic generation
Optical materials
Optical pumping
Photonic band gap
Photonic crystals
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Summary:In this paper we focus on analyzing the effect factors of second harmonic generation in the photonic crystals which was presented in Optics Express Vol.12, No.22. Firstly we give the basic theory of second harmonic generation in photonic crystals, and then the main factors of affecting on SHG in centro-symmetric materials included the photonic band gap, the incident angle of pumping wave and the fill factor are analyzed. The results show that photonic band gap is the most significant factor which decides the generation of second harmonic. The optimal range of incident angle is 20deg~30deg and the optimal fill-factor is 0.6 respectively according to the simulated results based on the finite difference-time domain algorithm.
DOI:10.1109/METAMAT.2006.335072