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The thesis describes the theoretical study of optical plasmons mediated light-matter interaction. We develop a finite element method to study spontaneous emission from emitters coupled to plasmonic waveguides. The numerical method is applied to calculate the coupling of a emitter coupled to a cylindrical nanowire, a square metallic nanowire and a metallic slot waveguide with inhomogenous dielectric environment. We also examine a quantum emitter coupled to optical nanoantennas. We mimic the conventional Yagi-Uda to realize its optical analogy for directional emission. We also propose a plasmon-based reconfigurable antenna to controllably distribute emission from a single emitter in spatially separated channels.
|Place of Publication||Kgs. Lyngby, Denmark|
|Publisher||Technical University of Denmark|
|Number of pages||121|
|Publication status||Published - Dec 2010|