Open AccessCurved long-range surface plasmon-polariton waveguides
Author(s) -
Pierre Berini,
Junjie Lu
Publication year - 2006
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.14.002365
Subject(s) - surface plasmon polariton , optics , curvature , surface plasmon , materials science , plasmon , polariton , total internal reflection , dielectric , boundary value problem , radius of curvature , range (aeronautics) , bending , physics , geometry , optoelectronics , mean curvature , mathematics , quantum mechanics , mean curvature flow , composite material
The propagation of the long-range surface plasmon-polariton mode in waveguides comprised of a curved thin metal film of finite width embedded in a homogeneous background dielectric is described. The curve and its mode are modelled in cylindrical coordinates using a rigorous vectorial numerical method and an absorbing boundary condition is applied on the radiating side of the bend. From the results obtained, it is confirmed that long-range structures are not incompatible with bending and that reasonably small radii of curvature can be used.