Interplay of XPM and nonlinear response time in the modulational instability of copropagating optical pulses

@inproceedings{Canabarro2010InterplayOX,
  title={Interplay of XPM and nonlinear response time in the modulational instability of copropagating optical pulses},
  author={Askery Canabarro and Benjamin de Los Santos and Iram Gleria and Marcelo L. Lyra and Antonio Sergio Bezerra Sombra},
  year={2010}
}
We investigate the modulational instability induced by cross-phase modulation (XPM) of two incoherently coupled optical pulses copropagating in a lossless fiber with a finite nonlinear response time. The non-instantaneous character of the nonlinear response is introduced through a Debye relaxation process. We analytically obtain the exact dispersion relation for weak harmonic perturbations over the stationary solution. We show that the instability spectrum, present in both normal and anomalous… CONTINUE READING

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