Optical discrete solitons in waveguide arrays. I. Soliton formation

H. S. Eisenberg*, R. Morandotti, Y. Silberberg, J. M. Arnold, G. Pennelli, J. S. Aitchison

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

94 Scopus citations

Abstract

We investigate the generation of discrete spatial solitons in arrays of coupled waveguides. Light was launched into the center of the array, and different beam sizes and array geometries were tested. At low power, the propagating field spreads as it couples to more waveguides. When the intensity is increased, localization is observed around the input waveguides, leading to the formation of a discrete soliton. For wide input beams, exciting a few waveguides, soliton splitting, which is due to instability induced by multiphoton absorption, is observed. All of these effects are described well by a coupled-mode formalism.

Original languageAmerican English
Pages (from-to)2938-2944
Number of pages7
JournalJournal of the Optical Society of America B: Optical Physics
Volume19
Issue number12
DOIs
StatePublished - Dec 2002
Externally publishedYes

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