Wide-angle propagating beam analysis for circularly symmetric waveguides: Comparison between FD-BPM and FD-TDM

被引：26

作者：

Yamauchi, J

Akimoto, Y

Nibe, M

Nakano, H

机构：

[1] College of Engineering, Hosei University, Koganei, Tokyo 184, 3-7-2, Kajino-cho

来源：

IEEE PHOTONICS TECHNOLOGY LETTERS | 1996年 / 8卷 / 02期

关键词：

D O I：

10.1109/68.484252

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：

The finite difference beam-propagation method (FD-BPM) with a (1,1) Fade approximant operator is formulated for circularly symmetric waveguides, A tapered step-index fiber is analyzed, and the computed field distribution is compared with that from the scalar finite-difference time-domain method (FD-TDM), The present method offers improvement in the evaluation of a radiation-mode field compared with the conventional FD-BPM based on the paraxial approximation.

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收藏

页码：236 / 238

页数：3

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