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微结构芯光子晶体光纤色散特性.pdf

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其它 中文核心期刊 微结构芯光子晶体光纤色散特性的研究 张娟,周桂耀,王 伟 燕山大学信息科学与工程学院 河北秦皇岛 ( , 066004) 摘要:在双包层近零色散平坦光子晶体光纤中引入微结构后,利用多极法对新的光子晶体光纤结构进行 了数值模拟。其中在包层结构参数不变的前提下,研究了纤芯中微结构的结构参数变化对色散特性的 影响。研究结果表明:通过优化纤芯结构参数,在不改变色散平坦度和色散平坦带宽的情况下,实现了 色散曲线的整体下移,进而达到正常色散。 关键词 色散平坦;光子晶体光纤;多极法 : 中图分类号 TN929.1 文献标识码A 文章编号 : : :1002-5561(2012)01-0056-03 Study of dispersion characterics of microstructured core photonic crystal fiber ZHANG Juan,ZHOU Gui-yao,WANG Wei (Yanshan university,College of information science and engineering,Qinhuangdao Hebei 066004,China) Abstract:A microstructured core is introduced into the double-cladding near zero dispersion flattened photon- ic crystal fiber, a new structure of photonic crystal fiber were investigated by using the mulipole method in this paper. Without changing the cladding structure parameters, study the influence of microstructured struc- ture parameters variation on dispersion characteristics. Numerical investigation indicates that through optimiz- ing the structure parameter of the fiber core, without changing the dispersion flatness and flat dispersion band- width,can realize that the dispersion curves move down overall,so as to generate the normal dispersion. :dispersion flatten photonic crystal fiber mulipole method Key words ; ; 进一步研究表明 具有小正常色散的色散平坦光纤对 0 引言 ,
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