Abstract
We study the coupling of emitters such as quantum dots to plasmonic waveguides consisting of a triangular channel milled into metal. In particular, the effect of varying groove angle, tip radius, groove depth, and emitter position on the coupling efficiency is investigated. The finite element method is employed in two- and three dimensional simulations to yield the decay rate of the emitter into the plasmonic mode and the coupling efficiency. In this way, the waveguide-emitter configuration which results in optimal coupling is determined.
© 2011 AOS
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