Optical properties of inverted opal photonic band gap crystals with stacking disorder.
Optical properties of inverted opal photonic band gap crystals with stacking disorder.
复制标题
具有堆叠无序的倒蛋白石光子带隙晶体的光学特性。
DOI：
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发表时间：
2003
期刊：
影响因子：
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通讯作者：
P. Sheng
中科院分区：
文献类型：
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作者：
Z. L. Wang;C. T. Chan;W. Zhang;Z. Chen;N. Ming;P. Sheng
我们详细研究了平面堆积无序对倒置蛋白石光子晶体光学性质的影响。首先研究了具有周期性堆叠序列的系统，包括面心立方、六方密堆积和双六方密堆积光子晶体。对于具有周期性堆积顺序的结构，我们评估了能带结构，然后计算了沿垂直于结构的六方密堆积平面的方向沿着的透射谱。通过计算光子晶体平板在各种随机堆叠结构下的平均透射率，研究了具有随机堆叠序列的反蛋白石光子晶体。研究发现，无论光子晶体中的堆叠顺序如何，最低禁带的位置和宽度沿着与六方密堆积平面垂直的方向都是不变的。我们展示了在较高频率下的传播特性如何受到堆叠配置（周期性和无序堆叠序列）的影响，特别是在绝对带隙边缘附近。所得结果与完全带隙反蛋白石光子晶体的透射/反射实验直接相关。
We present a detailed study of the effect of planar stacking disorder on optical properties of inverted opal photonic crystals. Systems with periodic stacking sequences are first studied that include face centered cubic, hexagonal close-packed, and doubly hexagonal close-packed photonic crystals. For the structures with periodic stacking order, we evaluate the band structure followed by calculation of transmission spectrum along the direction perpendicular to the hexagonal close-packing plane of the structures. Inverted opal photonic crystals with random stacking sequences are then studied by calculating average transmittance of the photonic crystal slabs over various random stacking configurations. The position and width of the lowest stop gap along the direction normal to the hexagonal close-packing plane is found to be invariant, regardless of the stacking sequence in the photonic crystal. We show how the propagation properties at higher frequencies are affected by the stacking configurations (both periodic and disordered stacking sequences), particularly those near the edges of the absolute band gap. The obtained results are directly relevant to transmission/reflection experiments on inverted opal photonic crystals with complete band gap.