Cavity-induced hybrid plasmon excitation for perfect infrared absorption | Zendy

Alireza Safaei | Zendy; Sushrut Modak | Zendy; Abraham VázquezGuardado | Zendy; Daniel Franklin | Zendy; Debashis Chanda | Zendy

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Cavity-induced hybrid plasmon excitation for perfect infrared absorption

Author(s) -

Alireza Safaei,

Sushrut Modak,

Abraham VázquezGuardado,

Daniel Franklin,

Debashis Chanda

Publication year - 2018

Publication title -

optics letters

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.524

H-Index - 272

eISSN - 1071-2763

pISSN - 0146-9592

DOI - 10.1364/ol.43.006001

Subject(s) - optics , materials science , nanoimprint lithography , plasmon , surface plasmon , optoelectronics , absorption (acoustics) , extraordinary optical transmission , photonics , coupling (piping) , surface plasmon polariton , guided mode resonance , surface plasmon resonance , resonance (particle physics) , grating , diffraction grating , fabrication , physics , nanotechnology , medicine , alternative medicine , pathology , particle physics , nanoparticle , metallurgy

Photonic microcavity coupling of a subwavelength hole-disk array, a two-element metal/dielectric composite structure with enhanced extraordinary transmission, leads to 100% coupling of incident light to the cavity system and subsequent absorption. This light-funneling process arises from the temporal and spatial coupling of the broadband localized surface plasmon resonance on the coupled hole-disk array and the photonic modes of the optical cavity, which induces spectral narrowing of the perfect absorption of light. A simple nanoimprint lithography-based large-area fabrication process paves the path towards practical implementation of plasmonic cavity-based devices and sensors.

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