Hybridized nanocavities as single-polarized plasmonic antennas | Zendy

Ahmet Ali Yanik | Zendy; Ronen Adato | Zendy; Shyamsunder Erramilli | Zendy; Hatice Altug | Zendy

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Hybridized nanocavities as single-polarized plasmonic antennas

Author(s) -

Ahmet Ali Yanik,

Ronen Adato,

Shyamsunder Erramilli,

Hatice Altug

Publication year - 2009

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.17.020900

Subject(s) - plasmon , optics , polarization (electrochemistry) , nanophotonics , extraordinary optical transmission , near and far field , optoelectronics , diffraction , materials science , surface plasmon , circular polarization , physics , surface plasmon polariton , chemistry , microstrip

We experimentally demonstrate that hybridized nanocavities in optically thick metal films radiate in coherence, and act as an efficient single-polarized plasmonic nano-antenna array. We employ propagating and localized plasmons to enhance polarization control along one axis, with total suppression of the perpendicular polarization component. The relationship between the near-field and far-field radiation is established through a quasi-static model connecting the individual nano-antenna behavior to the phenomenon of extraordinary light transmission. Hybridized nanocavity antennas, with length scales below the conventional diffraction limit, present opportunities for potential applications in photovoltaics, optoelectronic devices and optical sensors.

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