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Quasi-dark Mode in a Metamaterial for Analogous Electromagnetically-induced Transparency

机译:类比的超材料中的准暗模式   电磁诱导的透明度

摘要

We study a planar metamaterial supporting electromagnetically-inducedtransparency (EIT)-like effect by exploiting the coupling between bright andquasi-dark eigenmodes. The specific design of such a metamaterial consists of acut-wire (CW) and a single-gap split-ring resonator (SRR). From the numericaland the analytical results we demonstrate that the response of SRR, which isweakly excited by external electric field, is mitigated to be a quasi-darkeigenmode in the presence of strongly radiative CW. This result suggests morerelaxed conditions for the realization of devices utilizing the EIT-likeeffects in metamaterial, and thereby widens the possibilities for manydifferent structural implementations.
机译:我们通过利用亮与准暗本征模式之间的耦合,研究了支持电磁感应透明(EIT)效应的平面超材料。这种超材料的具体设计包括切割线(CW)和单间隙开口环谐振器(SRR)。从数值和分析结果我们证明,在强辐射连续波的存在下,被外部电场弱激发的SRR的响应被减轻为准暗本征模。该结果为利用超材料中的EIT效应实现设备的实现放宽了条件,从而拓宽了许多不同结构实现的可能性。

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