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《中国工程科学》 >> 2001年 第3卷 第11期

基于变量变换级数展开法的光波导矢量本征模分析

东南大学 电子工程系,南京 210096

资助项目 :高等学校博士学科点专项科研基金资助课题(98028638) 收稿日期: 2001-04-25 修回日期: 2001-06-06 发布日期: 2001-11-20

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摘要

基于变量变换级数展开法,获得了掩埋矩形光波导及脊形光波导的矢量本征模及其传播常数。变量 变换使无限平面映射成单位平两,从而使单位平面边界上的电磁场自然为零,消除了非物理反射,提高了计算 精度;另外,由于这种方法所导致的矩阵阶数小,因此计算效率较高。分析的结果与已发表的结果吻合较好, 可以为优化波导光电子器件的结构提供参考。

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