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Nonlinear Metal-Insulator-Metal (MIM) Nanoplasmonic Waveguides Based on Electron Tunneling for Optical Rectification and Frequency Generation Open Access


Other title
Optical Rectification
Nanoplasmonic Waveguides
Electron Tunneling
Frequency Generation
Type of item
Degree grantor
University of Alberta
Author or creator
Supervisor and department
Van,Vien (Department of Electrical and Computer Engineering)
Examining committee member and department
Fedosejevs,Robert (Department of Electrical and Computer Engineering)
Meldrum,Al (Department of Physics)
Van,Vien (Department of Electrical and Computer Engineering)
Department of Electrical and Computer Engineering
Photonics and Plasmas
Date accepted
Graduation date
Master of Science
Degree level
Metal-Insulator-Metal (MIM) electron tunneling diodes have recently emerged as an attractive alternative to semiconductor photodiodes for THz and optical detection due to their fast response time and relative ease of fabrication. However, current antenna-coupled MIM diode detectors are still limited by poor responsivity and low detection bandwidth due to impedance mismatch between the diode and antenna, large RC time constant of lumped MIM junctions, and narrow bandwidth of traditional antenna designs. In this thesis we address these issues by considering traveling-wave MIM detector designs which exhibit enhanced responsivity and low impedance that can be more easily matched to planar antennas. We also propose new antenna geometries based on surface modification of traditional bowtie antennas that are capable of receiving ultra-wideband THz signals. The concept of traveling-wave MIM detectors is then extended to the investigation of nonlinear MIM nanoplasmonic waveguides for on-chip single-cycle THz pulse generation, frequency conversion, as well as plasmonic switching and modulation.
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.
Citation for previous publication
X. Q. Lei, and V. Van, "Nonlinear MIM nanoplasmonic waveguide based on electron tunneling for ultrafast optical pulse rectification," Photonics Conference (IPC), 2012 IEEE, pp. 953-954, Sept. 2012.

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