利用色散关系计算一维光子晶体中的光子带隙

2019 3rd International Conference on Electronics, Materials Engineering & Nano-Technology (IEMENTech) Pub Date : 2019-08-01 DOI:10.1109/IEMENTech48150.2019.8981016

Urmimala Dey, Sangita Das, S. De, A. Deyasi

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引用次数: 0

摘要

利用色散关系计算了一维光子晶体的两个最低光子带隙。模拟考虑AlxGl1-xN/GaN材料，改变材料组成计算光子带隙对应的中频位移。在带隙计算中考虑了TE极化和TM极化，并从第一性原理分析中对结果进行了评价。计算是在归一化尺度下进行的，因此用平面波展开法计算时可以拟合到所需的频谱内。研究结果用于光学滤光片的设计。

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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Computation of Photonic Bandgap in 1D Photonic Crystal using Dispersion Relation

Two lowermost photonic bandgaps for one-dimensional photonic crystal are computed from dispersion relation. AlxGl1-xN/GaN material is considered for simulation purpose, and material composition is changed to calculate the shift of midband frequency corresponding to the photonic bandgap. Both TE and TM polarizations are considered for bandgap computation, and results are evaluated from the first principle analysis. Calculations are made in normalized scale, and thus it can be fitted in the desired frequency spectrum when calculated from plane wave expansion method. Findings are utilized for design of optical filter.

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来源期刊

2019 3rd International Conference on Electronics, Materials Engineering & Nano-Technology (IEMENTech)

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