周期分段波导的二维有限元分析

2011 SBMO/IEEE MTT-S International Microwave and Optoelectronics Conference (IMOC 2011) Pub Date : 2011-10-01 DOI:10.1109/IMOC.2011.6169297

C. E. Rubio-Mercedes, I. T. Lima, H. Hernández-Figueroa, V. Rodriguez‐Esquerre

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引用次数: 2

摘要

本文利用频域二维有限元法(2D-FEM)对周期分段波导进行了数值分析。与光子晶体波导(pcw)不同，PSW中的光约束是由于连续波导(CWG)中的全内反射。此外，介质沿波导的周期性对PSW中导模的色散关系有很大的影响。我们计算了PSW在远离带隙区域的模式分布，并将其与等效CWG的模式分布进行了平均折射率对比(Δneq)。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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Periodic segmented waveguide analysis by using the 2D finite element method

A numerical analysis of periodic segmented waveguides (PSWs) using the well known technique of two dimensional finite element method (2D-FEM) in the frequency domain is presented. Unlike photonic crystal waveguides (PCWs), light confinement in a PSW is due to total internal reflection as in a continuous waveguide (CWG). Moreover, the dispersion relation of the guided modes in PSW is strongly influenced by the dielectric periodicity along the waveguide. We calculate the mode profile of the PSW in a region far away from the band gap and compare with the mode profile of their equivalent CWG with an averaged refractive index contrast (Δneq).

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2011 SBMO/IEEE MTT-S International Microwave and Optoelectronics Conference (IMOC 2011)

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