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Analytical solution for the diffraction of an electromagnetic wave by a graphene grating

AutorSlipchenko, Tetiana M.; Nesterov, M. L.; Martín-Moreno, Luis; Nikitin, A. Yu
Palabras claveGraphene plasmon
Diffraction grating
Fecha de publicación2013
EditorInstitute of Physics Publishing
CitaciónJournal of Optics 15(11): 114008 (2013)
ResumenAn analytical method for diffraction of a plane electromagnetic wave at a periodically modulated graphene sheet is presented. Both interface corrugation and a periodic change in the optical conductivity are considered. Explicit expressions for reflection, transmission, absorption and transformation coefficients in arbitrary diffraction orders are presented. The dispersion relation and decay rates for graphene plasmons of the grating are found. Simple analytical expressions for the value of the bandgap in the vicinity of the first Brillouin zone edge are derived. The optimal amplitude and wavelength, guaranteeing the best matching of the incident light with graphene plasmons are found for the conductivity grating. The analytical results are in a good agreement with first-principles numeric simulations. © 2013 IOP Publishing Ltd.
DescripciónarXiv:1307.0310v1
Versión del editorhttp://dx.doi.org/10.1088/2040-8978/15/11/114008
URIhttp://hdl.handle.net/10261/117459
DOI10.1088/2040-8978/15/11/114008
Identificadoresdoi: 10.1088/2040-8978/15/11/114008
issn: 2040-8978
e-issn: 2040-8986
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