Stabilization of three-dimensional light bullets by a transverse lattice in a Kerr medium with dispersion management

Michał Matuszewski, Eryk Infeld, Boris A. Malomed, Marek Trippenbach

Research output: Contribution to journalArticlepeer-review

Abstract

We demonstrate a possibility to stabilize three-dimensional spatiotemporal solitons ("light bullets") in self-focusing Kerr media by means of a combination of dispersion management in the longitudinal direction (with the group-velocity dispersion alternating between positive and negative values) and periodic modulation of the refractive index in one transverse direction (out of the two). Assuming the usual model based on the paraxial nonlinear Schrödinger equation for the local amplitude of the electromagnetic field, the analysis relies upon the variational approximation (results of direct three-dimensional simulations will be reported in a follow-up). A predicted stability area is identified in the model's parameter space. It features a minimum of the necessary strength of the transverse modulation of the refractive index, and finite minimum and maximum values of the soliton's energy. The former feature is also explained analytically.

Original languageEnglish
Pages (from-to)49-54
Number of pages6
JournalOptics Communications
Volume259
Issue number1
DOIs
StatePublished - 1 Mar 2006

Keywords

  • Dispersion management
  • Light bullets
  • Solitons

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