Strong twisting of light with hyperbolic metasurfaces.

The optical activity of nonchiral nonmagnetic uniaxial metasurfaces caused by the extrinsic chirality arising when the plane of incidence of a light is at an angle to a metasurface main axis is studied. The hyperbolic regime of the metasurfaces manifests in the amplification of the polarization rotation in the transmitted light and the giant enhancement of the effect in the reflected light. In this paper special attention is paid to the graphene-based realization of such metasurface. The efficiency of the considered effects depends on the metasurfaces realization and the role of a substrate. Varying metasurfaces parameters and choosing the implementations it is possible to design such hyperbolic metasurface polarizer for THz, infrared, and even optical working ranges. [ABSTRACT FROM AUTHOR]