Fabry-Pérot Resonances in One-Dimensional Plasmonic Nanostructures
Nano Letters2009Vol. 9(6), pp. 2372–2377
Citations Over TimeTop 1% of 2009 papers
Jens Dorfmüller, Ralf Vogelgesang, R. Thomas Weitz, Carsten Rockstuhl, C. Etrich, Thomas Pertsch, F. Lederer, Klaus Kern
Abstract
We study the near-field optical behavior of Fabry-Pérot resonances in thin metal nanowires, also referred to as quasi one-dimensional plasmonic nanoantennas. From eigenmodes well beyond quadrupolar order we extract both, propagation constant and reflection phase of the guided surface plasmon polariton with superb accuracy. The combined symmetry breaking effects of oblique illumination and retardation allow the excitation of dipole forbidden, even order resonances. All measurements are supported by rigorous simulations of the experimental situation.
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