Article ID Journal Published Year Pages File Type
8253897 Chaos, Solitons & Fractals 2018 7 Pages PDF
Abstract
In this paper, we discuss the existence of lattice solitons supported by cubic-saturable nonlinearity in the framework of nonlinear Schrödinger (NLS) equation with external potentials such as parity-time-symmetric lattices with and without defects by using the pseudo-spectral renormalization method. Linear and nonlinear stability properties of the lattice solitons centered on the maximum of the PT-symmetric potential are investigated in detail.
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Related Topics
Physical Sciences and Engineering Physics and Astronomy Statistical and Nonlinear Physics
Preview
Two-dimensional solitons in cubic-saturable media with PT-symmetric lattices
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