ANALYSIS OF RADIATION PROPERTIES OF CHANNEL-WAVE-GUIDE GRATINGS

被引：5

作者：

MATSUMOTO, M

机构：

[1] Department of Communication Engineering, Osaka University, Osaka, 565

来源：

JOURNAL OF THE OPTICAL SOCIETY OF AMERICA B-OPTICAL PHYSICS | 1991年 / 8卷 / 02期

关键词：

D O I：

10.1364/JOSAB.8.000434

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

A method for the analysis of radiation properties of three-dimensional channel-waveguide gratings is presented. The method is based on an improved perturbation procedure, with which high accuracy can be expected even for waveguides with deep corrugations. The finite-element and the boundary-element methods are used in combination to calculate field distributions of higher-order radiative space harmonics. Numerical results are given for embedded channel waveguides whose core-air interfaces are normally or obliquely corrugated and for dielectric strip waveguides whose vertical sidewalls are corrugated.

引用

页码：434 / 442

页数：9

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