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Permanent link (DOI): https://doi.org/10.7939/R39B03

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Silicon Hybrid Plasmonic Waveguides and Passive Devices Open Access

Descriptions

Other title
Subject/Keyword
Nanophotonics
Nanofabrication
Plasmonics
Integrated optics
Silicon
Type of item
Thesis
Degree grantor
University of Alberta
Author or creator
Wu, Marcelo
Supervisor and department
Van, Vien (Electrical & Computer Engineering)
Examining committee member and department
McMullin, James (Electrical & Computer Engineering)
Cadien, Ken (Chemical & Materials Engineering)
Department
Department of Electrical and Computer Engineering
Specialization

Date accepted
2011-04-13T20:18:50Z
Graduation date
2011-06
Degree
Master of Science
Degree level
Master's
Abstract
The field of plasmonics has offered the promise to combine electronics and photonics at the nanometer scale for ultrafast information processing speeds and compact integration of devices. Various plasmonic waveguide schemes were proposed with the potential to achieve switching functionalities and densely integrated circuits using optical signals instead of electrons. Among these, the hybrid plasmonic waveguide stands out thanks to two sought-out properties: long propagation lengths and strong modal confinement. In this work, hybrid plasmonic waveguides and passive devices were theoretically investigated and experimentally demonstrated on an integrated silicon platform. A thin SiO2 gap between a gold conductive layer and a silicon core provides subwavelength confinement of light inside the gap. A long propagation length of 40µm was experimentally measured. A system of taper coupler connects the plasmonic waveguide to conventional photonic waveguides at a high efficiency of 80%. Passive devices were also fabricated and characterized, including S-bends and Y-splitters.
Language
English
DOI
doi:10.7939/R39B03
Rights
Permission is hereby granted to the University of Alberta Libraries to reproduce single copies of this thesis and to lend or sell such copies for private, scholarly or scientific research purposes only. Where the thesis is converted to, or otherwise made available in digital form, the University of Alberta will advise potential users of the thesis of these terms. The author reserves all other publication and other rights in association with the copyright in the thesis and, except as herein before provided, neither the thesis nor any substantial portion thereof may be printed or otherwise reproduced in any material form whatsoever without the author's prior written permission.
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