Paper
31 December 2019 Nonlinear response of surface plasmon polaritons: a systematic comparison with new insights
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Abstract
The nonlinear coefficient γ is a key parameter for studying nonlinear pulse propagation, as it relates the power in a waveguide mode to the nonlinear phase shift per unit length. It is well understood in dielectric waveguides, but less so in lossy plasmonic waveguides. A number of methods for calculating γ have been proposed, each producing different expressions. Here, we comprehensively compare these methods for a surface plasmon polariton propagating at a gold-air interface, obtaining new insights into the nonlinear response of lossy waveguides.
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Gordon Han Ying Li, Alessandro Tuniz, and C. Martijn de Sterke "Nonlinear response of surface plasmon polaritons: a systematic comparison with new insights", Proc. SPIE 11201, SPIE Micro + Nano Materials, Devices, and Applications 2019, 112010D (31 December 2019); https://doi.org/10.1117/12.2541237
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KEYWORDS
Waveguides

Nonlinear response

Surface plasmon polaritons

Nonlinear optics

Plasmonic waveguides

Plasmonics

Interfaces

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