Invisible waveguides on metal plates for plasmonic analogs of electromagnetic wormholes

Muamer Kadic 1 Guillaume Dupont 1 Stefan Enoch 2 Sébastien Guenneau 3, 4
2 CLARTE - CLARTE
FRESNEL - Institut FRESNEL
3 EPSILON - EPSILON
FRESNEL - Institut FRESNEL
4 CONCEPT - CONCEPT
FRESNEL - Institut FRESNEL
Abstract : We introduce two types of toroidal metamaterials which are invisible to surface plasmon polaritons (SPPs) propagating on a metal surface. The former is a toroidal handlebody bridging remote holes on the metal surface: It works as a kind of plasmonic counterpart of electromagnetic wormholes. The latter is a toroidal ring lying on the metal surface: This bridges two disconnected metal surfaces, i.e., it connects a thin metal cylinder to a flat metal surface with a hole. Full-wave numerical simulations demonstrate that an electromagnetic field propagating inside these metamaterials does not disturb the propagation of SPPs at the metal surface. A multilayered design of these devices is proposed, based on effective medium theory for a set of reduced parameters: The former plasmonic analog of the electromagnetic wormhole requires homogeneous isotropic magnetic layers, while the latter merely requires dielectric layers.
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Submitted on : Saturday, March 5, 2016 - 5:20:08 PM
Last modification on : Monday, March 4, 2019 - 2:04:25 PM

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Muamer Kadic, Guillaume Dupont, Stefan Enoch, Sébastien Guenneau. Invisible waveguides on metal plates for plasmonic analogs of electromagnetic wormholes. Physical Review A, American Physical Society, 2014, 90, pp.043812. ⟨10.1103/PhysRevA.90.043812⟩. ⟨hal-01283600⟩

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