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Spontaneous Symmetry Breaking in Photonic Lattices: Theory and Experiment
P. G. Kevrekidis, Zhigang Chen, B. A. Malomed +2
We examine an example of spontaneous symmetry breaking in a double-well waveguide with a symmetric potential. The ground state of the system beyond a critical power becomes asymmet…
Motion of discrete solitons assisted by nonlinearity management
Jesus Cuevas, Boris A. Malomed, Panayotis G. Kevrekidis
We demonstrate that periodic modulation of the nonlinearity coefficient in the discrete nonlinear Schrödinger (DNLS) equation can strongly facilitate creation of traveling solitons…
Coupled-mode theory for spatial gap solitons in optically-induced lattices
Boris A. Malomed, Elena A. Ostrovskaya, Yuri S. Kivshar
We develop a coupled-mode theory for spatial gap solitons in the one-dimensional photonic lattices induced by interfering optical beams in a nonlinear photorefractive crystal. We d…
Optical-parametric-oscillator solitons driven by the third harmonic
Vitaly Lutsky, Boris A. Malomed
We introduce a model of a lossy second-harmonic-generating (chi^2) cavity externally pumped at the third harmonic, which gives rise to driving terms of a new type, corresponding to…
Stabilization of three-dimensional matter-waves solitons in an optical lattice
M. Trippenbach, M. Matuszewski, B. A. Malomed
We propose an experimentally relevant scheme to create stable solitons in a three-dimensional Bose-Einstein condensate confined by a one-dimensional optical lattice, using temporal…
Resonant nonlinearity management for nonlinear-Schrödinger solitons
Hidetsugu Sakaguchi, Boris A. Malomed
We consider effects of a periodic modulation of the nonlinearity coefficient on fundamental and higher-order solitons in the one-dimensional NLS equation, which is an issue of dire…