Accurate analysis of plasmon propagation in metal and graphene nanostructures

We introduce an accurate analytical and numerical characterization of plasmonic propagation in meso- and nanoheterostructure for noble metal- and graphene-based device configurations. The method developes into three steps, i) the Kretschmann configuration technique, ii) the transfer matrices approach and iii) a full-wave multi-scale numerical simulation. The method is first tested by comparing theoretical results to experimental ones from the literature, and then applied to investigate plasmon propagation in graphene-based devices. The final aim is the full-wave design of plasmonic components/devices ranging from the THz to the optical range, involving both noble metals and energing 2D-materials, e.g. graphene