Substrate controllable transverse magnetic surface waves onto a graphene layer at far-infrared frequencies

The propagation properties of transverse magnetic surface waves onto an infinite graphene layer and the influence of the surrounding media are thoroughly examined in the present paper. After developing a realistic model of graphene, located in a homogeneous medium, its conductivity and the main characteristics of the resulting surface waves are extracted and compared in terms of the medium's dielectric permittivity. Finally, a similar comparison is conducted, where graphene's substrate is altered, while maintaining the vacuum superstrate, thus illustrating the importance of the appropriate media environment selection.