Nonlinear plasmonics with Kerr-like media for sensing

Sihon H. Crutcher; Paul B. Ruffin; Eugene Edwards; Christina L. Brantley

doi:10.1117/12.2044785

16 April 2014 Nonlinear plasmonics with Kerr-like media for sensing

Sihon H. Crutcher, Paul B. Ruffin, Eugene Edwards, Christina L. Brantley

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Proceedings Volume 9060, Nanosensors, Biosensors, and Info-Tech Sensors and Systems 2014; 906002 (2014) https://doi.org/10.1117/12.2044785
Event: SPIE Smart Structures and Materials + Nondestructive Evaluation and Health Monitoring, 2014, San Diego, California, United States

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.

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Sihon H. Crutcher, Paul B. Ruffin, Eugene Edwards, and Christina L. Brantley "Nonlinear plasmonics with Kerr-like media for sensing", Proc. SPIE 9060, Nanosensors, Biosensors, and Info-Tech Sensors and Systems 2014, 906002 (16 April 2014); https://doi.org/10.1117/12.2044785

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KEYWORDS

Dielectrics

Graphene

Waveguides

Interfaces

Wave propagation

Plasmonics

Reflection

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