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22 January 2010Nanoparticle for active plasmonic device
Active plasmonic devices are much promising for optical devices and circuits at the nanoscale. We show that
single nanoparticles coupled to metallic surfaces are good candidates for integrated components with
nanometric dimensions. The localized plasmon of the nanoparticle launches propagating surface plasmons in
the metallic thin film. Direct particle observation using leaky wave microscope geometry permits easy
detection through the interference of the direct transmitted excitation light and the surface plasmon leaky
mode. Investigations of the optical response of a nanoparticle deposited on metallic thin metal films reveals
unexpectedly high transmission of light associated to contrast inversion in the images.
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Julie Delahaye, Samuel Gresillon, Emmanuel Fort, "Nanoparticle for active plasmonic device," Proc. SPIE 7608, Quantum Sensing and Nanophotonic Devices VII, 76080U (22 January 2010); https://doi.org/10.1117/12.842831