Overcoming the adverse effects of substrate on the waveguiding properties of plasmonic nanoparticle chains | Zendy

Ilia L. Rasskazov | Zendy; С. В. Карпов | Zendy; George Y. Panasyuk | Zendy; Vadim A. Markel | Zendy

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Overcoming the adverse effects of substrate on the waveguiding properties of plasmonic nanoparticle chains

Author(s) -

Ilia L. Rasskazov,

С. В. Карпов,

George Y. Panasyuk,

Vadim A. Markel

Publication year - 2016

Publication title -

journal of applied physics

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.699

H-Index - 319

eISSN - 1089-7550

pISSN - 0021-8979

DOI - 10.1063/1.4940415

Subject(s) - plasmon , substrate (aquarium) , nanoparticle , surface plasmon polariton , materials science , dielectric , oblate spheroid , plasmonic nanoparticles , symmetry (geometry) , aspect ratio (aeronautics) , surface plasmon , optics , nanotechnology , optoelectronics , physics , geometry , classical mechanics , mathematics , geology , oceanography

International audienceWe have studied numerically the propagation of surface plasmon polaritons (SPPs) in linear periodic chains of plasmonic nanoparticles of different shapes. The chains are deposited on top of a thick dielectric substrate. While in many commonly considered cases the substrate tends to suppress the SPP propagation, we have found that this adverse effect is practically absent in the case when the nanoparticles have the shape of oblate spheroids with sufficiently small aspect ratio (e.g., nanodisks) whose axis of symmetry coincides with the axis of the chain

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