Interaction between localized and delocalized surface plasmon polariton modes in a metallic photonic crystal

We experimentally and theoretically study the controlled coupling between localized and delocalized surface plasmon modes supported by a multilayer metallic photonic crystal slab. The model system to visualize the interaction phenomena consists of a gold nanowire grating and a spatially separated homogeneous silver film. We show that plasmon-plasmon coupling leads to drastic modification of the optical properties in dependence on the chosen geometrical parameters. Strong coupling and plasmon hybridization can be clearly observed. The numerical calculations reveal excellent agreement with the experiments. (c) 2006 WILEY-VCH Verlag GmbH & Co. KGa-A, Weinheim.


Published in:
Physica Status Solidi B-Basic Solid State Physics, 243, 2344-2348
Presented at:
8th International Workshop on Nonlinear Optics and Excitation Kinetics In Semiconductors (NOEKS 8), Munster, GERMANY, Feb 20-24, 2006
Year:
2006
Keywords:
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 Record created 2011-04-11, last modified 2018-03-17

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