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Close encounters between nanoantennas: Bridging quantum and classical plasmonics

AuthorsAizpurua, Javier
Issue Date2012
AbstractPlasmonic nanoantennas change dramatically their optical response when their constituent nanostructures are closely located in subnanometer proximity. In this regime, electron tunneling across a cavity between metallic surfaces is triggered out, producing an emergence and redistribution of antenna modes. A collapse of the near-field at the cavity is also associated with the tunneling events. We present a quantum corrected model (QCM) that allows for including these quantum effects in a classical description of the optical response of large-scale plasmonic systems. Based on this model, it is possible to study the effect of tunneling in realistic plasmonic configurations such as in plasmonic dimers or in bowtie antennas.
DescriptionTrabajo presentado al "3rd International Conference on Metamaterials, Photonic Crystals and Plasmonics" celebrado en Paris (Francia) del 19 al 22 de Abril de 2012.
Appears in Collections:(CFM) Comunicaciones congresos
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