A negative index metamaterial driven by phonons on a ZnO platform

Julia Ingles-Cerrillo, Pablo Ibanez-Romero, Rajveer Fandan +7

Negative index metamaterials (NIMs) can be achieved with uniaxial hyperbolic metamaterials (HMMs) featuring ${\epsilon }_{parallel}>0$ and ${\epsilon }_{perpendicular}<0$. This type of approach has be…