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Spontaneously Generated X-Shaped Light Bullets

P. Di Trapani, G. Valiulis, A. Piskarskas, O. Jedrkiewicz, J. Trull, C. Conti, and S. Trillo
Phys. Rev. Lett. 91, 093904 – Published 28 August 2003
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Abstract

We observe the formation of an intense optical wave packet fully localized in all dimensions, i.e., both longitudinally (in time) and in the transverse plane, with an extension of a few tens of fsec and microns, respectively. Our measurements show that the self-trapped wave is an X-shaped light bullet spontaneously generated from a standard laser wave packet via the nonlinear material response (i.e., second-harmonic generation), which extend the soliton concept to a new realm, where the main hump coexists with conical tails which reflect the symmetry of linear dispersion relationship.

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  • Received 17 March 2003

DOI:https://doi.org/10.1103/PhysRevLett.91.093904

©2003 American Physical Society

Authors & Affiliations

P. Di Trapani1, G. Valiulis2, A. Piskarskas2, O. Jedrkiewicz1, J. Trull1, C. Conti3, and S. Trillo3,4

  • 1Istituto Nazionale di Fisica della Materia (INFM) and Department of Chemical, Physical and Mathematical Sciences, University of Insubria, Via Valleggio 11, 22100 Como, Italy
  • 2Department of Quantum Electronics, Vilnius University, Sauletekio avenue 9, LT-2040 Vilnius, Lithuania
  • 3Istituto Nazionale di Fisica della Materia (INFM)-RM3, Via della Vasca Navale 84, 00146 Roma, Italy
  • 4Department of Engineering, University of Ferrara, Via Saragat 1, 44100 Ferrara, Italy

See Also

Bullets of Light

Kim Krieger
Phys. Rev. Focus 12, 7 (2003)

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Issue

Vol. 91, Iss. 9 — 29 August 2003

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