Journal
APPLIED PHYSICS LETTERS
Volume 95, Issue 20, Pages -Publisher
AMER INST PHYSICS
DOI: 10.1063/1.3262947
Keywords
antennas; circular waveguides; Fabry-Perot resonators; gold; nanophotonics; nanowires; optical dispersion; optical waveguides; surface plasmons
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Funding
- Air Force Office of Scientific Research Multidisciplinary University Research Initiative
- NSF
- NSEC [DMI-0327077]
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Resonant optical nanoantennas exhibit a different length scaling due to the surface plasmons compared to their radio frequency counterparts. In this letter, we address this difference by calculating the wavelength-dependent effective mode index n(eff) for a cylindrical one-dimensional gold nanowire waveguide. Our results show that nanorod optical antennas act as dispersive and lossy Fabry-Peacuterot resonators for surface plasmons.
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