Dispersion relation of surface plasmon polaritons in non-local materials | Zendy

Tatjana Gric | Zendy

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Dispersion relation of surface plasmon polaritons in non-local materials

Author(s) -

Tatjana Gric

Publication year - 2019

Publication title -

optics express

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.394

H-Index - 271

ISSN - 1094-4087

DOI - 10.1364/oe.27.013568

Subject(s) - metamaterial , optics , surface plasmon polariton , plasmon , dispersion (optics) , negative refraction , surface plasmon , dispersion relation , materials science , nanowire , polariton , nanorod , photonic metamaterial , spatial dispersion , refraction , optoelectronics , physics , nanotechnology

Here, I report on a highly nonlocal metamaterial formed by means of a plasmonic nanorod composite. An analytical characterization of the nonlocal optical response of plasmonic nanowire metamaterials is presented. The former enables negative refraction, subwavelength light guiding, and emission lifetime engineering. I analyze the dispersion of optical waves propagating in nanowire composite. Moreover, the nonlocal effective medium approximation for this dispersion is derived. Two cases, i.e., hexagon and rectangular metamaterial unit cells, are considered.

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