Discrete soliton collisions in a waveguide array with saturable nonlinearity

  title={Discrete soliton collisions in a waveguide array with saturable nonlinearity},
  author={J. Cuevas and J. Chris Eilbeck},
We study the symmetric collisions of two mobile breathers/solitons in a model for coupled wave guides with a saturable nonlinearity. The saturability allows the existence of breathers with high power. Three main regimes are observed: breather fusion, breather reflection and breather creation. The last regime seems to be exclusive of systems with a saturable nonlinearity, and has been previously observed in continuous models. In some cases a “symmetry breaking” can be observed, which we show to… CONTINUE READING


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