Giant Inverse Faraday Effect in Plasmonic Crystal Ring
arXiv:2109.14051 · doi:10.1364/OE.452324
Abstract
Circularly polarized electromagnetic wave impinging on a conducting ring generates a circulating DC plasmonic current resulting in an Inverse Faraday Effect in nanorings. We show that a large ring with periodically modulated width on a nanoscale, smaller or comparable with the plasmonic mean free path, supports plasmon energy bands. When a circularly polarized radiation impinges on such a plasmonic ring, it produces resonant DC plasmonic current on a macro scale resulting in a Giant Inverse Faraday Effect. The metamaterials comprised of the concentric variable width rings (plasmonic disks) and stacked plasmonic disks (plasmonic solenoids) amplify the generated constant magnetic field by orders of magnitude.
arXiv comment14 pages, 3 figures
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