Abstract

A novel metamaterial (MM) to guide surface plasmon polariton (SPP) is considered. Specific example of three-layered nanostructured MM and its dispersion engineering are studied in details allowing the development of new devices. The metal material stands for as the limiting factor of the frequency range that SPP mode exists. The SPP mode at high frequency possesses tremendously large loss or can be cutoff with high permittivity dielectrics above metal surface. The surface mode guided by dielectric/graphene/dielectric multilayers MM has been studied based on the theory of electromagnetic field aiming to extend the frequency range of SPP mode. It is shown that, the MM guided SPP mode presents its advantages and flexibility over traditional metal one by varying the structure parameters.

© 2018 The Author(s)

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