Excitation of SPP's in graphene by a waveguide mode
Mesoscale and Nanoscale Physics
2019-06-07 v1
Abstract
We present a semi-analytical model that predicts the excitation of surface-plasmon polaritons (SPP) on a graphene sheet located in front of a sub-wavelength slit drilled in thick metal screen. We identify the signature of the SPP in the transmission, reflection, and absorption curves. Following previous literature on noble-metal plasmonics, we characterize the efficiency of excitation of SPP's in graphene computing a spatial probability density. This quantity shows the presence of plasmonics resonances dispersing with the Fermi energy, , as an unambiguous signature of graphene plasmons.
Keywords
Cite
@article{arxiv.1906.02483,
title = {Excitation of SPP's in graphene by a waveguide mode},
author = {D. C. Pedrelli and B. S. C. Alexandre and N. M. R. Peres},
journal= {arXiv preprint arXiv:1906.02483},
year = {2019}
}
Comments
7 pages