Open AccessPlasmonic crystal for efficient energy transfer from fluorescent molecules to long-range surface plasmons
Author(s) -
Takayuki Okamoto,
Janne Simonen,
Satoshi Kawata
Publication year - 2009
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.17.008294
Subject(s) - surface plasmon , plasmon , materials science , optics , excited state , range (aeronautics) , fluorescence , coupling (piping) , surface plasmon polariton , optoelectronics , atomic physics , physics , metallurgy , composite material
Corrugated metallic thin film structures that do not support short-range surface plasmon modes but do support long-range modes are discussed. The coupling efficiency of the energy of excited fluorescent molecules to long-range modes is theoretically calculated using the rigorous coupled wave approach. The obtained maximum coupling efficiency is found to be 55%, more that two times higher than the efficiency of uncorrugated metallic thin films.