S. Amanatiadis, C. Liaskos, M. Kafesaki, N. Kantartzis
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Modified perfectly matched layers in finite-difference time-domain schemes for the efficient truncation of propagating graphene surface waves
The extension of the perfectly matched layer (PML) for the effective absorption of propagating graphene surface waves in finite-difference time-domain (FDTD) schemes is developed in this paper. Graphene is accurately modelled through its surface conductivity and is imported in the FDTD algorithm as a surface boundary condition. Also, the conventional PML equations are properly modified to include graphene's contribution. The validity of the proposed technique is numerically investigated in order to prove its noteworthy performance.