Graphene nanoribbon modeling based on MoM-GEC method for antenna applications in the terahertz range

In this paper, we present a graphene nano-ribbon based terahertz antenna modeling using the MoM-GEC method (the moments method combined to the generalized equivalent circuit). The quantum mechanical conductivity of graphene is employed to introduce the graphene´s effect in the mathematical formulation. The graphene nanoribbon is excited by a located source with unit voltage and shielded in a waveguide with electric boundaries. The obtained input impedance, current density distribution and radiated electric field are presented to discuss the antenna performance.