Abstract
Finite element analysis based on the vector H-field formulation and incorporating the perturbation technique, is used to calculate the complex propagation characteristics of metal- coated dielectric waveguides. The propagation and attenuation characteristics of the surface plasmon modes at the metal/dielectric interfaces and the formation of the supermodes due to the coupling between the surface plasmon modes in the presence of different surrounding analytes for the application in bio/chemical sensing are investigated.
© 2007 Optical Society of America
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