A Robust Time-Domain Numerical Framework for the Spatiotemporal Variation of Graphene-Based Materials

Space-time metamaterials have gained considerable interest for their dynamism and potential for wave manipulation and control. Externally tunable materials such as graphene constitute an interesting alternative to come up with practical realizations of spatiotemporally modulated devices. In this work, we present a time-domain numerical framework that allows to simulate space-time modulation scenarios with graphene layers. The proposed algorithm is described and some scenarios including the periodical modulation of graphene's conductivity are discussed.