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Type: 
Journal
Description: 
In the last few years, hybrid systems consisting of punctual sources and metallic nanostructures have been assembled and studied. Furthermore, the radiative coupling between the two counterparts has become a crucial aspect to be explored in nanophotonics and plasmonics. In this paper a numerical framework based on the Discrete Dipole Approximation is presented as a simple computational scheme to analyze the decay dynamics of an emitter when it is located in the near proximities of metallic nanoparticles. This approach allows to go beyond the analytically solved cases and to predict the optical response of more complex shaped nanoparticles. Here the excitation of dipole and higher-order modes is studied as a function of the applied radiation with a particular attention paid to the changes induced in the response by approaching the source to the metal. Numerical results, obtained for Ag spheroids and …
Publisher: 
Elsevier
Publication date: 
1 Nov 2013
Authors: 

S D’Agostino, F Della Sala, LC Andreani

Biblio References: 
Volume: 11 Issue: 4 Pages: 335-344
Origin: 
Photonics and Nanostructures-Fundamentals and Applications