Non-Reciprocal Hyperbolic Propagation over Moving Metasurfaces
arXiv:1809.01638 · doi:10.1103/PhysRevB.99.045407
Abstract
Hyperbolic propagation offers exciting opportunities in nanophotonics, from sub-diffraction imaging to enhanced local density of states. This transport regime is typically induced by strong modulation of conductivity, i.e., with alternating metallic and dielectric material properties. Here, we analyze a moving impedance surface, showing that suitably tailored homogeneous metasurfaces can support one-way hyperbolic propagation when in motion, adding non-reciprocity to hyperbolic propagation phenomena, and without suffering from nonlocal effects stemming from discretization or finite granularity of the surface.
arXiv comment16 pages, 3 figures
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