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Plasmonic slot waveguides with core nonlinearity
journal contributionposted on 2023-02-01, 00:28 authored by M A Swillam, S A Tawfik
We analytically study the interplay between group velocity dispersion and material dispersion due to femtosecond ultrafast pulse inside plasmonic slot waveguides with nonlinear dielectric core. The analytic investigation of the role of the core nonlinearity on pulse propagation has been investigated. Interestingly, our model shows that the focusing and defocusing effects of the material can be revered if the material is confined inside the core of a plas-monic slot. We confirm our analytical results with nonlinear finite difference time domain (FDTD) simulations.
Pagination409 - 413
Publication classificationC1.1 Refereed article in a scholarly journal
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