- Journal Article
We developed a versatile numerical technique to compute the three-dimensional charge distribution inside plasmonic nanoparticles. This method can be easily applied to investigate the charge distribution inside arbitrarily complex plasmonic nanostructures and to identify the nature of the multipolar plasmon modes involved at plasmonic resonances. Its ability to unravel the physical origin of plasmonic spectral features is demonstrated in the case of a single gold nanotriangle and of a gold nano-antenna. Finally, we show how the volume charge distribution can be used to define and compute the first terms of the multipolar expansion. © 2010 Optical Society of America. Show more
Journal / seriesOptics Express
Pages / Article No.
PublisherOptical Society of America
Organisational unit09698 - Quidant, Romain / Quidant, Romain
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