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Proceedings Paper

Nonlinear plasmonics with Kerr-like media for sensing
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Paper Abstract

Sensing technologies are currently needed for better maintainability, reliability, safety, and monitoring small variable changes on microscopic and nanoscale systems. Plasmonic sensor research has contributed to chemical and biological sensing needs by monitoring ultrafast temporal and spatial changes in optoelectronic systems. Nonlinear plasmonic waveguides with subwavelength confinement can further enhance the capabilities of plasmonic devices. Results in this paper highlight the derivation of the full-vector Maxwell Equations for the single metal- dielectric slot waveguide and the metal –dielectric –metal waveguide with the dielectric having a Kerr-like nonlinearity. These waveguides, typically have metallic losses that compete with nonlinearity at certain frequencies that can hinder surface plasmon wave propagation. By considering temporal and spatial beam propagation in these waveguides one expects to observe novel effects that could be used for sensing applications such as femtosecond pulse propagation with plasmon self-focusing, self-trapping, and frequency conversion with reduction in metallic losses.

Paper Details

Date Published: 16 April 2014
PDF: 25 pages
Proc. SPIE 9060, Nanosensors, Biosensors, and Info-Tech Sensors and Systems 2014, 906002 (16 April 2014); doi: 10.1117/12.2044785
Show Author Affiliations
Sihon H. Crutcher, U.S. Army Research, Development and Engineering Command (United States)
Paul B. Ruffin, U.S. Army Research, Development and Engineering Command (United States)
Eugene Edwards, U.S. Army Research, Development and Engineering Command (United States)
Christina L. Brantley, U.S. Army Research, Development and Engineering Command (United States)


Published in SPIE Proceedings Vol. 9060:
Nanosensors, Biosensors, and Info-Tech Sensors and Systems 2014
Vijay K. Varadan, Editor(s)

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