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Abstract
为了研究2维三角晶格空气孔型光子晶体TE模和TM模偏振的禁带宽度与介质柱半径的变化关系,采用平面波展开法数值计算和分析了空气孔型光子晶体的带隙分布及波导耦合特性。结果表明,光子禁带的宽度会随着介质柱半径的大小而变化,束缚在光子晶体中的光波可以在波导和谐振腔中高效率地传输,达到选择输出光波的目的。这种特性在光学集成电路中具有重要而潜在的应用价值。
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