Accurate simulation of two-dimensional optical microcavities with uniquely solvable boundary integral equations and trigonometric Galerkin discretization

被引:112
作者
Boriskina, SV [1 ]
Sewell, P
Benson, TM
Nosich, AI
机构
[1] Univ Nottingham, George Green Inst Electromagnet Res, Nottingham NG7 2RD, England
[2] Natl Acad Sci Ukraine, Inst Radiophys & Elect, UA-61085 Kharkov, Ukraine
关键词
D O I
10.1364/JOSAA.21.000393
中图分类号
O43 [光学];
学科分类号
070207 ; 0803 ;
摘要
A fast and accurate method is developed to compute the natural frequencies and scattering characteristics of arbitrary-shape two-dimensional dielectric resonators. The problem is formulated in terms of a uniquely solvable set of second-kind boundary integral equations and discretized by the Galerkin method with angular exponents as global test and trial functions. The log-singular term is extracted from one of the kernels, and closed-form expressions are derived for the main parts of all the integral operators. The resulting discrete scheme has a very high convergence rate. The method is used in the simulation of several optical microcavities for modern dense wavelength-division-multiplexed systems. (C) 2004 Optical Society of America.
引用
收藏
页码:393 / 402
页数:10
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