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Phase- and group-matched nonlinear interactions mediated by multiple filamentation in Kerr media

  • D. Faccio
  • , A. Dubietis
  • , G. Tamosauskas
  • , P. Polesana
  • , G. Valiulis
  • , A. Piskarskas
  • , A. Lotti
  • , A. Couairon
  • , P. Di Trapani
  • University of Insubria
  • Vilnius University

Research output: Contribution to journalArticlepeer-review

10 Citations (Scopus)

Abstract

Laser-pulse filamentation in Kerr media induced by a strongly elliptic input beam leads to breakup into a periodic array of filaments. In the plane of the filament array we observe strong Stokes and anti-Stokes emission at large angles. For 1 ps input pulses the measured angles are found to support two different phase-matching configurations: one nontransversally phase matched and the other perfectly phase matched. Shorter 200 fs pulses give rise to group-velocity-matched Raman conversion.

Original languageEnglish
Article number055802
JournalPhysical Review A - Atomic, Molecular, and Optical Physics
Volume76
Issue number5
DOIs
Publication statusPublished - 26 Nov 2007

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