光子晶体波导传输特性的计算和模拟

Study on Optical Communications(2011)

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Abstract
应用时域有限差分法研究了在空气孔-介质光子晶体波导中引入一空气柱后对光学传输特性的影响。结果表明:引入空气柱后,通过改变空气柱的半径及其在波导中的位置,能使其透射特性产生显著的变化。在归一化频率>0.26的高频段,透射率迅速降低;空气柱半径越大、越靠近入射源,透射率越小。通过数值模拟对计算结果进行了验证。
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Key words
photonic crystal waveguide,transmission characteristic,FDTD method
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