Kerr-induced spontaneous Bessel beam formation in the regime of strong two-photon absorption

D. Faccio, Matteo Clerici, A. Averchi, O. Jedrkiewicz, S. Tzortzakis, D. G. Papazoglou, F. Bragheri, L. Tartara, A. Trita, S. Henin, I. Cristiani, A. Couairon, P. Di Trapani

Research output: Contribution to journalArticlepeer-review

30 Citations (Scopus)

Abstract

We study the effect of Two-Photon Absorption (TPA) nonlinear losses on Gaussian pulses, with power that exceeds the critical power for self-focusing, propagating in bulk kerr media. Experiments performed in fused silica and silicon highlight a spontaneous reshaping of the input pulse into a pulsed Bessel beam. A filament is formed in which sub-diffractive propagation is sustained by the Bessel-nature of the pulse. (c) 2008 Optical Society of America.

Original languageEnglish
Pages (from-to)8213-8218
Number of pages6
JournalOptics Express
Volume16
Issue number11
DOIs
Publication statusPublished - 26 May 2008

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