Regensburg 2007 – scientific programme

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HL: Fachverband Halbleiterphysik

HL 33: New materials

HL 33.3: Talk

Wednesday, March 28, 2007, 17:15–17:30, H15

Coupling Phenomena of Surface Plasmons — •Stephan Schwieger, Erich Runge, and Parinda Vasa — Technische Universität Ilmenau, Institut für Physik, Fachgebiet Theoretische Physik I, Postfach 100565, 98684 Ilmenau

Surface plasmons on an array of nanometer-sized metal wires, which is embedded in a multilayer system, are studied numerically. We investigate the coupling of different plasmonic modes as well as the coupling of plasmonic modes with light. These couplings influence fundamental properties of the excited surface plasmons as e.g. theire life time and details of their dispersion relation. We discuss the dependence of these couplings on the geometry of the nano-wire arrays as well as on the dielectric proporties of the adjescent layers.