扇面形散射元构建的二维光子晶体慢光模拟研究
Simulation Study on Slow Light of 2-D Photonic Crystals by Sector Scatterers
DOI: 10.12677/APP.2018.88049, PDF,    国家自然科学基金支持
作者: 徐明洁, 谢 群, 付毓卉, 于乐, 万勇*：青岛大学，物理科学学院，山东 青岛；薛子川：青岛索斯兰中学，山东 青岛
关键词: 模拟；扇面形散射元；光子晶体；慢光；线缺陷波导；Simulation； Sector Scatterers； Photonic Crystal； Slow Light； Linear Defect Waveguide
摘要: 本文用扇面形散射元构建空气孔型光子晶体模型，构建线缺陷波导，利用平面波展开法分别模拟其TM模式下的色散曲线，并通过改变散射元参数，求得群折射率、群速度、带宽、归一化延迟带宽积和色散常数，获得群折射率较大且带宽较大的理想模型。针对散射元，整体改变波导结构，分面对面型、背对背型和旋转30˚三种，对其计算结果进行比较分析。
Abstract: In this paper, the air hole photonic crystal model is constructed by sector scatterers, and the linear defect waveguide is constructed. The dispersion curves in TM mode are simulated by using plane wave expansion method, and the group refractive index and group velocity are obtained by changing the parameters of scattering elements. The ideal model with large group refractive index and large bandwidth is obtained by normalized delay bandwidth product and dispersion constant. The waveguide structure is changed as a whole, and the scattering elements are divided into three types: face to face type, back to back type and rotation 30˚. The calculated results are compared and analyzed.
文章引用：徐明洁, 薛子川, 谢群, 付毓卉, 于乐, 万勇. 扇面形散射元构建的二维光子晶体慢光模拟研究[J]. 应用物理, 2018, 8(8): 386-397. https://doi.org/10.12677/APP.2018.88049

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