Tunable Goos-Hänchen Shift of Surface Plasmon Beam Due to Graphene in a Metal-Dielectric System
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The tunneling of surface plasmon waves between two slabs of dielectric prisms superposed on the metal surface is studied. The prism with the incident surface plasmon wave is superposed by a stack of graphene sheets. The analytical theory is built to connect the Fermi energy of graphene with the Goos-Hänchen shift of the transmitted surface plasmon waves. The obtained results may be useful for developing integral switching devices on the basis of surface plasmon polaritons.
KeywordsOptical tunneling Surface plasmon polaritons Goos-Hänchen shift Graphene
The author is grateful to Professor V.Ya. Prinz for the problem formulation and support to the research.
This work was supported by RFBR Grant 15-02-99696.
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