Journal
OPTICS EXPRESS
Volume 19, Issue 16, Pages 15532-15537Publisher
OPTICAL SOC AMER
DOI: 10.1364/OE.19.015532
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Funding
- Natural Sciences and Engineering Research Council of Canada
- Alberta Innovates
- Canadian Research Chairs Program
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A plasmonic antenna design is proposed and investigated numerically over a large parameter space. By considering the contour of a bowtie antenna and introducing an additional design parameter, the contour thickness, it is demonstrated that the resonant wavelength of the antenna may be tuned over a broad spectral range while maintaining a constant antenna footprint. These new antennas allow for a factor of 3.6 reduction in the antenna footprint and an increase in the gap enhancement by 28%. (C) 2011 Optical Society of America
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