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- Title
Plasmonic Slot Waveguides with Core Nonlinearity.
- Authors
Swillam, Mohamed; Tawfik, Sherif
- Abstract
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 plasmonic slot. We confirm our analytical results with nonlinear finite difference time domain (FDTD) simulations.
- Subjects
GROUP velocity dispersion; FINITE difference time domain method; SURFACE plasmons; PLASMA waveguides; NONLINEAR Schrodinger equation
- Publication
Plasmonics, 2014, Vol 9, Issue 2, p409
- ISSN
1557-1955
- Publication type
Article
- DOI
10.1007/s11468-013-9637-4