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Ghost resonance in anisotropic materials: negative refractive index and evanesce

上传者: 2021-02-24 04:50:08上传 PDF文件 4.24MB 热度 18次
We show that dielectric waveguides formed by materials with strong optical anisotropy support electromagnetic waves that combine the properties of propagating and evanescent fields. These “ghost waves” are created in tangent bifurcations that “annihilate” pairs of positive- and negative-index modes
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