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TE resonances in graphene-dielectric structures

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arxiv 1511.00408 v2 pith:2LS4XDZ2 submitted 2015-11-02 physics.optics quant-ph

TE resonances in graphene-dielectric structures

classification physics.optics quant-ph
keywords graphenecutoffdielectricdispersiongraphene-dielectricrelationsresonancesstructures
verification ladder T0 review T1 audit T2 compute T3 formal T4 reserved
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We investigate the dispersion relations of TE resonances in different graphene-dielectric structures. Previous work has shown that when a graphene layer is brought into contact with a dielectric material, a gap can appear in its electric band structure. This allows for the formation of TE-plasmons with unusual dispersion relations. In addition, if the dielectric has a finite thickness, graphene strongly modifies the behavior of the waveguiding modes by introducing dissipation above a well-defined cutoff frequency thus providing the possibility of mode filtering. This cutoff and the properties of TE-plasmons are closely related to the pair-creation threshold of graphene thus representing quantum mechanical effects that manifest themselves in the electromagnetic response.

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