Plasmonic band and defect mode of one dimensional graphene lattice
arXiv:2109.12569 · doi:10.1364/JOSAB.447218
Abstract
Photonic crystals based on graphene plasmons (GPs) are highly tunable and can accurately control photonic transmission at the nanoscales. In this work, the transfer matrix method (TMM) is introduced to study graphene plasmonic crystal (GPC) with periodic surface conductivity in the case of normal incidence. The introduction of TMM after considering the abnormal phase scattering of the abrupt interface gives an idea to accurately manipulate plasmonic crystal structures, and can reduce the calculation workload to a certain extent. The effectiveness of the proposed method is verified with the plane wave expansion method in our model. Furthermore, we study the defect mode and the plasmonic Tamm state in GPC by the transfer matrix method.
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