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  • Coupling of Energy from Quantum Emitters to the Plasmonic Mode of V Groove Waveguides: A Numerical Study

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    Accepted Manuscript (AM)
    Author(s)
    Vernon, KC
    Tischler, N
    Kurth, ML
    Griffith University Author(s)
    Tischler, Nora
    Year published
    2012
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    Abstract
    This work is a theoretical investigation into the coupling of a single excited quantum emitter to the plasmon mode of a V groove waveguide. The V groove waveguide consists of a triangular channel milled in gold and the emitter is modeled as a dipole emitter, and could represent a quantum dot, nitrogen vacancy in diamond, or similar. In this work the dependence of coupling efficiency of emitter to plasmon mode is determined for various geometrical parameters of the emitter-waveguide system. Using the finite element method, the effect on coupling efficiency of the emitter position and orientation, groove angle, groove depth, ...
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    This work is a theoretical investigation into the coupling of a single excited quantum emitter to the plasmon mode of a V groove waveguide. The V groove waveguide consists of a triangular channel milled in gold and the emitter is modeled as a dipole emitter, and could represent a quantum dot, nitrogen vacancy in diamond, or similar. In this work the dependence of coupling efficiency of emitter to plasmon mode is determined for various geometrical parameters of the emitter-waveguide system. Using the finite element method, the effect on coupling efficiency of the emitter position and orientation, groove angle, groove depth, and tip radius, is studied in detail. We demonstrate that all parameters, with the exception of groove depth, have a significant impact on the attainable coupling efficiency. Understanding the effect of various geometrical parameters on the coupling between emitters and the plasmonic mode of the waveguide is essential for the design and optimization of quantum dot–V groove devices
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    Journal Title
    Journal of Applied Physics
    Volume
    111
    Issue
    6
    DOI
    https://doi.org/10.1063/1.3699031
    Copyright Statement
    © 2012 American Institute of Physics. This article may be downloaded for personal use only. Any other use requires prior permission of the author and the American Institute of Physics. The following article appeared in Vol. 111, 064323 (2012) and may be found at https://doi.org/10.1063/1.3699031.
    Subject
    Mathematical sciences
    Physical sciences
    Photonics, optoelectronics and optical communications
    Engineering
    Publication URI
    http://hdl.handle.net/10072/172502
    Collection
    • Journal articles

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