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Please use this identifier to cite or link to this item: http://hdl.handle.net/1807/25744

Title: Wideband Plasmonic Slot-silicon Wire Coupling
Authors: Lau, Benedict
Advisor: Helmy, Amr S.
Department: Electrical and Computer Engineering
Keywords: plasmonics
photonics
Issue Date: 7-Jan-2011
Abstract: An SOI-based platform designed for wideband coupling of light from optical fibers to a 50 nm wide plasmonic slot waveguide is described in this thesis. The device is based on a newly proposed orthogonal junction with coupling efficiencies above 70% near the telecom wavelength. To construct the coupling platform, two such junctions are utilized for input and output, where Si wires are place 90 degree with respect to each of the two ends of a plasmonic section. Analytic studies and FDTD simulations have demonstrated attractive properties such as a smooth micron-wide transmission spectrum that can be spectrally shifted with the design parameters, and the natural phase-matching between the dielectric and plasmonic sections consequent of the waveguide orientations. Fabrication procedures and proof-of-concept characterization work are also presented. The experimentally-tested platform with its unique features would enable applications in on-chip sensing and plasmonic slot-based waveguiding at the 50 nm scale.
URI: http://hdl.handle.net/1807/25744
Appears in Collections:Master
The Edward S. Rogers Sr. Department of Electrical & Computer Engineering - Master theses

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