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Plasmonic Slot Waveguides with Core Nonlinearity |
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| Authors: | Mohamed A Swillam Sherif A Tawfik |
| Institution: | 1. The American University in Cairo, New Cairo, Cairo Governorate, Egypt 2. University of Toronto, Toronto, ON, Canada 3. School of Physics, The University of Sydney, Sydney, New South Wales, 2006, Australia |
| 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. |
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