利用传输矩阵方法研究面心立方结构的三维光子晶体,分析了当其分别存在点缺陷、线缺陷、面缺陷时的传输特性变化,发现当引入点、线、面缺陷后,光子晶体中出现缺陷模,进一步数值计算研究表明缺陷模的出现频率和透过率等特性与缺陷介质球的半径、介电常数和缺陷出现的位置等诸多因素有关,这些结果将有助于光子晶体波导、滤波器等器件的设计和应用.
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