Gap random-phase lattice solitons

Robert Pezer, Hrvoje Buljan, Jason W. Fleischer, Guy Bartal, Oren Cohen, Mordechai Segev

Research output: Contribution to journalArticlepeer-review

13 Scopus citations


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 he generated when a simple incoherent beam with hell-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.

Original languageEnglish (US)
Pages (from-to)5013-5023
Number of pages11
JournalOptics Express
Issue number13
StatePublished - Jun 27 2005

All Science Journal Classification (ASJC) codes

  • Atomic and Molecular Physics, and Optics


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