Dynamics of discrete solitons in optical waveguide arrays

R. Morandotti, U. Peschel, J. S. Aitchison, H. S. Eisenberg, Y. Silberberg

Research output: Contribution to journalArticlepeer-review

367 Scopus citations

Abstract

By using a nonlinear waveguide array we experimentally demonstrate dynamic features of solitons in discrete systems. Spatial solitons do not exhibit these properties in continuous systems. We experimentally recorded nonlinearly induced locking of an initially moving soliton at a single waveguide. We also show that discrete solitons can acquire transverse momentum and propagate at an angle with respect to the waveguide direction, when the initial excitation is not centered on a waveguide. This is to our knowledge the first time that the effect of the Peierls-Nabarro potential has been observed in a macroscopic system.

Original languageAmerican English
Pages (from-to)2726-2729
Number of pages4
JournalPhysical Review Letters
Volume83
Issue number14
DOIs
StatePublished - 1 Jan 1999
Externally publishedYes

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