Soliton-induced relativistic-scattering and amplification

@article{Rubino2012SolitoninducedRA,
  title={Soliton-induced relativistic-scattering and amplification},
  author={Eleonora Rubino and Antonio Lotti and Francesco Belgiorno and Sergio Luigi Cacciatori and Arnaud Couairon and Ulf Leonhardt and Daniele Faccio},
  journal={Scientific Reports},
  year={2012},
  volume={2}
}
Solitons are of fundamental importance in photonics due to applications in optical data transmission and also as a tool for investigating novel phenomena ranging from light generation at new frequencies and wave-trapping to rogue waves. Solitons are also moving scatterers: they generate refractive index perturbations moving at the speed of light. Here we found that such perturbations scatter light in an unusual way: they amplify light by the mixing of positive and negative frequencies, as we… 

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