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Journal of the Optical Society of America B

Journal of the Optical Society of America B

| OPTICAL PHYSICS

  • Editor: Grover Swartzlander
  • Vol. 30, Iss. 10 — Oct. 1, 2013
  • pp: 2715–2721

Light bullets in spatially modulated Laguerre–Gauss optical lattices

Si-Liu Xu and Milivoj R. Belić  »View Author Affiliations


JOSA B, Vol. 30, Issue 10, pp. 2715-2721 (2013)
http://dx.doi.org/10.1364/JOSAB.30.002715


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Abstract

We investigate the generation and stability of light bullets (LBs) in Laguerre–Gauss (LG) optical lattices, in which both linear and nonlinear changes in the refractive index are spatially modulated. We demonstrate that the linear and nonlinear contributions considerably affect the bullet shape and its range of stability; at the same time the nonlinear modulation depth, through the propagation constant, affects the width of the stability domain. We find that the energy of stable space-time solitons increases with the increase in the modulation depth. We discover that the behavior of LBs in LG optical lattices is substantially different from the behavior in the more familiar Bessel lattices.

© 2013 Optical Society of America

OCIS Codes
(190.0190) Nonlinear optics : Nonlinear optics
(190.6135) Nonlinear optics : Spatial solitons

ToC Category:
Nonlinear Optics

History
Original Manuscript: June 19, 2013
Revised Manuscript: August 24, 2013
Manuscript Accepted: August 28, 2013
Published: September 26, 2013

Citation
Si-Liu Xu and Milivoj R. Belić, "Light bullets in spatially modulated Laguerre–Gauss optical lattices," J. Opt. Soc. Am. B 30, 2715-2721 (2013)
http://www.opticsinfobase.org/josab/abstract.cfm?URI=josab-30-10-2715


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