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Optics Express

Optics Express

  • Editor: Michael Duncan
  • Vol. 13, Iss. 13 — Jun. 27, 2005
  • pp: 5013–5023

Gap random-phase lattice solitons

Robert Pezer, Hrvoje Buljan, JasonW. Fleischer, Guy Bartal, Oren Cohen, and Mordechai Segev  »View Author Affiliations

Optics Express, Vol. 13, Issue 13, pp. 5013-5023 (2005)

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We theoretically study gap random-phase lattice solitons (gap-RPLSs) in nonlinear waveguide arrays with self-defocusing nonlinearity. We find that the intensity structure and statistical (coherence) properties of gap-RPLSs conform to the lattice periodicity, while their Floquet-Bloch power spectrum is multi-humped with peaks in the anomalous diffractions regions. It is shown that a gap-RPLS can be generated when a simple incoherent beam with bell-shaped power spectrum and single-hump intensity is launched at a proper angle into the waveguide array. The input incoherent beam evolves in the lattice while shedding off some radiation, and eventually attains the features of gap-RPLS.

© 2005 Optical Society of America

OCIS Codes
(030.6600) Coherence and statistical optics : Statistical optics
(190.5530) Nonlinear optics : Pulse propagation and temporal solitons
(190.5940) Nonlinear optics : Self-action effects

ToC Category:
Research Papers

Original Manuscript: May 3, 2005
Revised Manuscript: June 15, 2005
Published: June 27, 2005

Robert Pezer, Hrvoje Buljan, Jason Fleischer, Guy Bartal, Oren Cohen, and Mordechai Segev, "Gap random-phase lattice solitons," Opt. Express 13, 5013-5023 (2005)

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