EFFICIENT INTERFACE CONDITIONS FOR THE FINITE-DIFFERENCE BEAM PROPAGATION METHOD

被引:35
作者
HOEKSTRA, HJWM
KRIJNEN, GJM
LAMBECK, PV
机构
[1] MESA Research Institute, University of Twente
关键词
D O I
10.1109/50.166775
中图分类号
TM [电工技术]; TN [电子技术、通信技术];
学科分类号
0808 ; 0809 ;
摘要
It is shown that, by adapting the refractive indexes in the vicinity of interfaces, the 2-D beam propagation method based on the finite difference (FDBPM) scheme can be made much more effective. This holds especially for TM modes propagating in structures with high-index contrasts, such as surface polaritons. A short discussion is given on the applicability of the FDBPM.
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页码:1352 / 1355
页数:4
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