Open AccessIntegrated fiber-coupled launcher for slow plasmon-polariton waves
Author(s) -
Giuseppe Della Valle,
Stefano Longhi
Publication year - 2012
Publication title -
optics express
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.394
H-Index - 271
ISSN - 1094-4087
DOI - 10.1364/oe.20.003158
Subject(s) - surface plasmon polariton , plasmon , optics , materials science , surface plasmon , optoelectronics , coupling (piping) , single mode optical fiber , fiber , photonic crystal fiber , wavelength , optical fiber , coupled mode theory , ohmic contact , physics , refractive index , nanotechnology , layer (electronics) , metallurgy , composite material
We propose and numerically demonstrate an integrated fiber-coupled launcher for slow surface plasmon-polaritons. The device is based on a novel plasmonic mode-converter providing efficient power transfer from the fast to the slow modes of a metallic nanostripe. Total coupling efficiency with standard single-mode fiber approaching 30% (including ohmic losses) has been numerically predicted for a 25-µm long gold-based device operating at 1.55 µm telecom wavelength.