Spatio-temporal reshaping and X Wave dynamics in optical filaments

D. Faccio, A. Averchi, A. Couairon, Miroslav Kolesik, Jerome V Moloney, A. Dubietis, G. Tamosauskas, P. Polesana, A. Piskarskas, P. Di Trapani

Research output: Contribution to journalArticle

62 Citations (Scopus)

Abstract

We investigate ultrashort laser pulse filamentation within the framework of spontaneous X Wave formation. After a brief overview of the filamentation process we study the case of an intense filament co-propagating with a weaker seed pulse. The filament is shown to induce strong Cross-Phase-Modulation (XPM) effects on the weak seed pulse: driven by the pump, the seed pulse undergoes pulse splitting with the daughter pulses slaved to their pump counterparts. They undergo strong spatio-temporal reshaping and are transformed into X Waves traveling at the same group velocities as the pump split-off pulses. In the presence of a gain mechanism such as Four-Wave-Mixing or Stimulated Raman Scattering, energy is then transferred from the pump filament leading to amplification of the seed X Wave and formation of a temporally compressed intensity peak.

Original languageEnglish (US)
Pages (from-to)13077-13095
Number of pages19
JournalOptics Express
Volume15
Issue number20
DOIs
StatePublished - Oct 1 2007

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filaments
pulses
seeds
pumps
group velocity
phase modulation
traveling waves
four-wave mixing
Raman spectra
lasers

ASJC Scopus subject areas

  • Atomic and Molecular Physics, and Optics

Cite this

Faccio, D., Averchi, A., Couairon, A., Kolesik, M., Moloney, J. V., Dubietis, A., ... Di Trapani, P. (2007). Spatio-temporal reshaping and X Wave dynamics in optical filaments. Optics Express, 15(20), 13077-13095. https://doi.org/10.1364/OE.15.013077

Spatio-temporal reshaping and X Wave dynamics in optical filaments. / Faccio, D.; Averchi, A.; Couairon, A.; Kolesik, Miroslav; Moloney, Jerome V; Dubietis, A.; Tamosauskas, G.; Polesana, P.; Piskarskas, A.; Di Trapani, P.

In: Optics Express, Vol. 15, No. 20, 01.10.2007, p. 13077-13095.

Research output: Contribution to journalArticle

Faccio, D, Averchi, A, Couairon, A, Kolesik, M, Moloney, JV, Dubietis, A, Tamosauskas, G, Polesana, P, Piskarskas, A & Di Trapani, P 2007, 'Spatio-temporal reshaping and X Wave dynamics in optical filaments', Optics Express, vol. 15, no. 20, pp. 13077-13095. https://doi.org/10.1364/OE.15.013077
Faccio, D. ; Averchi, A. ; Couairon, A. ; Kolesik, Miroslav ; Moloney, Jerome V ; Dubietis, A. ; Tamosauskas, G. ; Polesana, P. ; Piskarskas, A. ; Di Trapani, P. / Spatio-temporal reshaping and X Wave dynamics in optical filaments. In: Optics Express. 2007 ; Vol. 15, No. 20. pp. 13077-13095.
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