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The comparison of modes at flat bands in 2D photonic crystals and resonant modes of the single cylinder

机译:二维光子晶体中平坦带上的模和单圆柱体的共振模的比较

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摘要

By examining field distributions in photonic crystals and comparing the central frequency of bands with Mie resonant frequency, the origin of modes at flat bands of photonic crystals is closely investigated. It is shown that the flat bands are related to Mie resonances. And there is an optimum radius for certain refractive contrast and for certain radius there is also an optimum refractive contrast for tight-binding description.
机译:通过检查光子晶体中的场分布并将带的中心频率与Mie谐振频率进行比较,对光子晶体平坦带的模式起源进行了深入研究。结果表明,平坦带与米氏共振有关。并且对于特定的折射对比度存在最佳半径,对于特定的半径也存在用于紧密结合描述的最佳折射对比度。

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