Daniele Brunazzo

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We present a direct evidence of Bloch surface waves (BSWs) waveguiding on ultrathin polymeric ridges, supported by near-field measurements. It is demonstrated that near-infrared BSWs sustained by a silicon-based multilayer can be locally coupled and guided through dielectric ridges of nanometric thickness with low propagation losses. Using a conventional(More)
Tristan Sfez,* Emiliano Descrovi, Libo Yu, Daniele Brunazzo, Marzia Quaglio, Lorenzo Dominici, Wataru Nakagawa, Francesco Michelotti, Fabrizio Giorgis, Olivier J. F. Martin, and Hans Peter Herzig Optics & Photonics Technology Laboratory, Ecole Polytechnique Fédérale de Lausanne, EPFL-STI-OPT, rue A.-L. Breguet 2, CH-2000 Neuchâtel, Switzerland Materials and(More)
We study the coupling of localized surface plasmon (LSP) and surface-plasmon polariton (SPP) modes in a system composed of a metallic nanoparticle chain separated from a thin metallic film by a dielectric spacer. The thickness of such a spacer influences the level of interaction between LSP and SPP modes and controls the electromagnetic enhancement in this(More)
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