New finite-difference scheme for simulations of step-index waveguides with tilt interfaces

被引：14

作者：

Xia, JS ^{[1
]}

Yu, JZ ^{[1
]}

机构：

[1] Chinese Acad Sci, Inst Semicond, Beijing 100083, Peoples R China

来源：

IEEE PHOTONICS TECHNOLOGY LETTERS | 2003年 / 15卷 / 09期

关键词：

beam propagation method (BPM); finite-difference (FD) methods; optical waveguides;

D O I：

10.1109/LPT.2003.816128

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：

A new finite-difference scheme is presented for the second derivative of a semivectorial field in a step-index optical waveguide with tilt interfaces. The present scheme provides an accurate description of the tilt interface of the nonrectangular structure. Comparison with previously presented formulas shows the effectiveness of the present scheme.

引用

页码：1237 / 1239

页数：3

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