A NEW LOW-LOSS STRUCTURE OF ABRUPT BENDS IN DIELECTRIC WAVE-GUIDES

被引：28

作者：

HIRAYAMA, K ^{[1
]}

KOSHIBA, M ^{[1
]}

机构：

[1] HOKKAIDO UNIV,DEPT ELECTR ENGN,SAPPORO,HOKKAIDO 060,JAPAN

来源：

JOURNAL OF LIGHTWAVE TECHNOLOGY | 1992年 / 10卷 / 05期

关键词：

D O I：

10.1109/50.136089

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 low-loss structure of abrupt bends in dielectric waveguides is proposed. In the proposed structure, a region whose refractive index is altered for reducing bending losses becomes much smaller. The beam propagation method is used to evaluate the loss of the modified corner bend proposed here. The validity of the results is confirmed in some cases through a comparison with those of a combination of the finite-element and boundary-element methods. Also, it is shown that the propagation characteristics of the proposed structure can be easily explained by using Snell's law.

引用

页码：563 / 569

页数：7