单缺陷光子晶体波导中的微阻带
Mini-stop bands in single-defect photonic crystal waveguides
摘要：
我们数值研究了单缺陷光子晶体波导从一个三角形晶格的空气孔在介质背景。据发现，对于中高空气填充比，传输具有非常小的值在窄的频率区域内的光子带隙-所谓的迷你阻带。两种类型的迷你阻带示出存在，其中之一是由于波导的多模性质。它们依赖于波导的长度和空气填充比。
英文摘要：
We numerically study single-defect photonic crystal waveguides obtained from a triangular lattice of air holes in a dielectric background. It is found that, for medium-high air filling ratios, the transmission has very small values in narrow frequency regions lying inside the photonic band gap - the so-called mini-stop bands. Two types of mini-stop bands are shown to exist; one of which is due to the multimode nature of the waveguide. Their dependence on the length of the waveguide and on the air filling ratio is presented.
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