15 May 2012 Light propagation in metallic nanoparticle chains on SOI waveguide
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Abstract
In this work, we demonstrate successful interfacing between metallic nanoparticle (MNP) chain supporting localized surface plasmons (LSP) and silicon-on-insulator (SOI) waveguides. We show that the optical energy carried by a TE SOI waveguide mode at telecom wavelengths can be efficiently transferred into MNP chains deposited on the waveguide top, whatever the number of metallic particles (from 5 to 50). Especially in short chains, most of the energy can be transferred into the fourth or fifth MNP of the chains. Predictions from theoretical models are fully corroborated by transmission and near-field measurements.
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Mickaël Février, Philippe Gogol, Abdelhanin Aassime, Robert Megy, Alexandre Bondi, Alexei Chelnokov, Aniello Apuzzo, Sylvain Blaize, Gilles Lerondel, Jean-Michel Lourtioz, and Béatrice Dagens "Light propagation in metallic nanoparticle chains on SOI waveguide", Proc. SPIE 8431, Silicon Photonics and Photonic Integrated Circuits III, 84311I (15 May 2012); doi: 10.1117/12.921650; https://doi.org/10.1117/12.921650
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