Engineered Optical Nonlocality in Nanostructured Metamaterials

Abstract

We analyze dispersion properties of metal-dielectric nanostructured metamaterials. We demonstrate that, in a sharp contrast to the results for the corresponding effective medium, the structure demonstrates strong optical nonlocality due to excitation of surface plasmon polaritons that can be engineered by changing a ratio between the thicknesses of metal and dielectric layers. In particular, this nonlocality allows the existence of an additional extraordinary wave that manifests itself in the splitting of the TM-polarized beam scattered at an air-metamaterial interface.

References in corpus (2)

• Non-local effects in effective medium response of nano-layered meta-materials
• Three-dimensional negative index of refraction at optical frequencies by coupling plasmonic waveguides

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