Devaux Eloïse, Laluet Jean-Yves, Stein Benedikt, Genet Cyriaque, Ebbesen Thomas, Weeber Jean-Claude, Dereux Alain
Laboratoire des Nanostructures, ISIS, Université de Strasbourg, CNRS (UMR7006), 8 allée Gaspard Monge, 67000 Strasbourg, France.
Opt Express. 2010 Sep 27;18(20):20610-9. doi: 10.1364/OE.18.020610.
Controlling the propagation of surface plasmons along a metal-dielectric interface is a key feature for the development of surface plasmon based circuits. We have designed various two-dimensional refractive dielectric optical elements for surface plasmons (SP) and characterized their capacity to route SP, using near- or far-field techniques. We first present basic devices analogous to usual optical components and the associated challenges for SP optics. We then use a metamaterial approach to locally vary the refractive index and fabricate gradient index structures for SP circuitry.
控制表面等离子体激元沿金属-电介质界面的传播是基于表面等离子体激元的电路发展的关键特性。我们设计了各种用于表面等离子体激元（SP）的二维折射电介质光学元件，并使用近场或远场技术表征了它们引导SP的能力。我们首先展示了类似于常规光学元件的基本器件以及SP光学面临的相关挑战。然后，我们采用超材料方法来局部改变折射率，并制造用于SP电路的梯度折射率结构。
