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Proceedings Paper

Nonlinear response of surface plasmon polaritons: a systematic comparison with new insights
Author(s): Gordon Han Ying Li; Alessandro Tuniz; C. Martijn de Sterke
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Paper 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.

Paper Details

Date Published: 31 December 2019
PDF: 2 pages
Proc. SPIE 11201, SPIE Micro + Nano Materials, Devices, and Applications 2019, 112010D (31 December 2019); doi: 10.1117/12.2541237
Show Author Affiliations
Gordon Han Ying Li, The Univ. of Sydney (Australia)
Alessandro Tuniz, The Univ. of Sydney (Australia)
C. Martijn de Sterke, The Univ. of Sydney (Australia)

Published in SPIE Proceedings Vol. 11201:
SPIE Micro + Nano Materials, Devices, and Applications 2019
M. Cather Simpson; Saulius Juodkazis, Editor(s)

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