Nano plasmon polariton modes of a wedge cross section metal waveguide
arXiv:physics/0606174 · doi:10.1364/OE.14.008779
Abstract
Optical plasmon-polariton modes confined in both transverse dimensions to significantly less than a wavelength are exhibited in open waveguides structured as sharp metal wedges. The analysis reveals two distinctive modes corresponding to a localized mode on the wedge point and surface mode propagation on the abruptly bent interface. These predictions are accompanied by unique field distributions and dispersion characteristics.
6 pages, 5 figures