Topological light bullets supported by spatiotemporal gain

Valery E. Lobanov, Olga V. Borovkova, Yaroslav V. Kartashov, Victor A. Vysloukh, and Lluis Torner
Phys. Rev. A 85, 023804 – Published 2 February 2012

Abstract

We reveal that the competition among diffraction, cubic nonlinearity, two-photon absorption, and gain localized in both space and time results in arrest of collapse, suppression of azimuthal modulation instabilities for spatiotemporal wave packets, and formation of stable three-dimensional light bullets. We show that Gaussian spatiotemporal gain landscapes support bright, fundamental light bullets, while gain landscapes featuring a ringlike spatial and a Gaussian temporal shapes may support stable vortex bullets carrying topological phase dislocations.

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  • Received 25 July 2011

DOI:https://doi.org/10.1103/PhysRevA.85.023804

©2012 American Physical Society

Authors & Affiliations

Valery E. Lobanov1, Olga V. Borovkova1, Yaroslav V. Kartashov1,2, Victor A. Vysloukh1, and Lluis Torner1

  • 1ICFO-Institut de Ciencies Fotoniques and Universitat Politecnica de Catalunya, Mediterranean Technology Park, 08860 Castelldefels, Barcelona, Spain
  • 2Institute of Spectroscopy, Russian Academy of Sciences, Troitsk, Moscow Region 142190, Russia

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Issue

Vol. 85, Iss. 2 — February 2012

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