光子晶体光纤中色散波产生及特性分析  

Generation and Properties Analysis of Dispersive Waves in Photonic Crystal Fibers

作　　者：董辉[1] 雷大军[1] 姚敏[1] 黄家敏[1] 

机构地区：[1]湘南学院物理系,湖南郴州423000

出　　处：《湘南学院学报》2008年第5期46-49,共4页Journal of Xiangnan University

基　　金：湖南省教育厅2008年优秀青年基金资助项目;湖南省教育厅资助科研项目(07C721)

摘　　要：基于光子晶体光纤中脉冲演变遵循的非线性演化方程,用数值方法研究了三阶色散为负的情况下色散波的产生及其特性.当三阶色散为负的情况,孤子在长波长方向不断地辐射出色散波,由于色散波处于正常色散区而被展宽,在时域上表现为很宽的基底.Based on the nonlinear Schro dinger equation describing pulse propagation in photonic crystal fibers, we investigate the generation and properties of dispersive waves when the third-order dispersion is negative. The solution will continues to emit dispersive waves which the wavelength is longer than that of solution when the third-order dispersion is negative. And the intensity of dispersive is much weakens due to the rapid temporal spreading in the normal dispersion region.

关 键 词：光子晶体光纤 色散波 时频 

分 类 号：O421.5[理学—声学]