叠层超颖表面中光的反射路径与费曼路径的等价性
Equivalence of reflection paths of light and Feynman paths in stacked metasurfaces
摘要:
我们表明存在的虚拟偏振态的模式在超颖表面堆栈的相互作用。为了支持我们的研究结果,我们通过实验实现了一个元表面堆栈,由纳米贴片的各向同性层和纳米线的各向异性层组成。利用类比的介观电子输运通过费曼路径在结处的电子的相互作用,我们提出了一个半解析描述的模式内的相互作用堆栈。然后,我们推导出一系列的所有可能的反射路径光可以采取内部的超颖表面堆栈。
英文摘要:
We show the existence of virtual polarization states during the interaction of modes in metasurface stacks. In support of our findings we experimentally realize a metasurface stack, consisting of an isotropic layer of nano-patches and an anisotropic layer of nano-wires. Utilizing an analogy to the interaction of electrons at junctions in mesoscopic electron transport via Feynman paths, we present a semi-analytical description of the modal interaction inside this stack. We then derive a series of all possible reflection paths light can take inside the metasurface stack.
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