ANALYSIS OF CURVATURE LOSSES OF WHISPERING-GALLERY MODES IN AN OPTICAL DIELECTRIC DISK BY THE FINITE-ELEMENT METHOD

被引:5
作者
YAMAMOTO, T [1 ]
KOSHIBA, M [1 ]
机构
[1] HOKKAIDO UNIV, DEPT ELECTR ENGN, SAPPORO, HOKKAIDO 060, JAPAN
关键词
D O I
10.1109/50.265736
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-element method is applied to the analysis of curvature losses of whispering gallery modes in an optical dielectric disk. Numerical examples on the dielectric disks with various side shapes are given. We also demonstrate that when the curvature radius of the disk is large enough, the difference between the propagation constants obtained by considering and by ignoring the curvature loss is very small.
引用
收藏
页码:59 / 63
页数:5
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