28 August 2008 Nanophotonic components utilizing channel plasmon polaritons
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Channel plasmon polaritons (CPPs) propagating along the bottom of subwavelength grooves cut into a metal surface were recently shown to exhibit strong confinement combined with low propagation loss, a feature that makes this guiding configuration very promising for the realisation of ultra-compact photonic components. Here, the results of our investigations of CPP guiding by V-grooves cut into gold are presented, demonstrating efficient large-angle bending and splitting of radiation as well as waveguide-ring resonators and Bragg grating filters.
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V. S. Volkov, S. I. Bozhevolnyi, E. Devaux, J.-Y. Laluet, T. W. Ebbesen, "Nanophotonic components utilizing channel plasmon polaritons", Proc. SPIE 7033, Plasmonics: Nanoimaging, Nanofabrication, and Their Applications IV, 70330T (28 August 2008); doi: 10.1117/12.794781; https://doi.org/10.1117/12.794781

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