Open AccessEnergy transport in metal nanoparticle chains via sub-radiant plasmon modes
Author(s) -
Britain A. Willingham,
Stephan Link
Publication year - 2011
Publication title -
optics express
Language(s) - Uncategorized
Resource type - Journals
SCImago Journal Rank - 1.394
H-Index - 271
ISSN - 1094-4087
DOI - 10.1364/oe.19.006450
Subject(s) - surface plasmon polariton , surface plasmon , radiant energy , localized surface plasmon , optics , plasmon , excitation , materials science , polariton , radiative transfer , nanophotonics , optoelectronics , physics , radiation , quantum mechanics
We investigate the propagation of surface plasmon polaritons through coupling of light to sub-radiant dipole modes in finite chains of Ag nanoparticles. End excitation of collections of closely spaced particles reveals a band of sub-radiant modes whereby the decay of surface plasmon polaritons due to radiative losses is minimized. We show that excitation of any of these sub-radiant modes results in the most efficient energy transfer throughout the optical spectrum, with smaller interparticle separations resulting in the longest propagation.