Second-harmonic generation of cylindrical electromagnetic waves propagating in an inhomogeneous and nonlinear medium

被引:18
作者
Xiong, Hao [1 ]
Si, Liu-Gang
Ding, Chunling
Yang, Xiaoxue
Wu, Ying
机构
[1] Huazhong Univ Sci & Technol, Wuhan Natl Lab Optoelect, Wuhan 430074, Peoples R China
来源
PHYSICAL REVIEW E | 2012年 / 85卷 / 01期
基金
美国国家科学基金会; 高等学校博士学科点专项科研基金;
关键词
LIGHT WAVES; FREQUENCY; INTERFACES;
D O I
10.1103/PhysRevE.85.016606
中图分类号
O35 [流体力学]; O53 [等离子体物理学];
学科分类号
070204 ; 080103 ; 080704 ;
摘要
A general description of cylindrical electromagnetic waves propagating in nonlinear and inhomogeneous media is given by deducing cylindrical coupled-wave equations. Based on the cylindrical coupled-wave equations, we analyze second-harmonic generation (SHG) of some special cases of inhomogeneity, and find that the inhomogeneity of the first-and second-order polarization can influence the amplitude of the SHG. From a different point of view, e(act solutions of cylindrical electromagnetic waves propagating in a nonlinear medium with a special case of inhomogeneity have been obtained previously. We show that cylindrical SHG in an inhomogeneous and nonlinear medium can also be deduced from e(act solutions. As verification, we compare the results obtained from the two different methods and find that descriptions of SHG by the coupled-wave equations are in good agreement with the e(act solutions.
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页数:8
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