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用有效折射率/有限元法分析脊形光波导及其方向耦合器特性 被引量:1

Modelling of Rib Waveguides and Directional Couplers with Effective Index-Finite Element Method
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摘要 本文应用有效折射率/有限元法(EI-FEM),计算和分析了半导体(量子阱)脊形光波导的模式特性、模式场分布及其变化规律.检验了EI-FEM的精度,分析了其产生误差的原因.扩展了EI-FEM,将其用于求解耦合波导系统,确定了方向耦合器的耦合特性及其变化规律. Abstract The effective index-finite element method (ELFEM) is employed to calculate and analyze the mode characteristics and field distributions for rib waveguides. The accuracy of the new approximate method is assessed by comparing with other accurate and approximate methods. Then,the EI-FEM is further developed to calculate the coupling characteristics of rib waveguide directional couplers.PACC: 0260, 4280L
出处 《Journal of Semiconductors》 EI CAS CSCD 北大核心 1996年第6期428-434,共7页 半导体学报(英文版)
基金 中国科学院"八五"重点项目 集成光电子学国家重点联合实验室吉林大学实验区开放课题资助
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