Multiple breakup of high-order spatial solitons

Ori Katz, Yoav Lahini, Yaron Silberberg*

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

15 Scopus citations


The breakup of high-order spatial solitons propagating in an AlGaAs slab waveguide is studied. We experimentally observe the breakup of such beams into multiple fragments and identify the mechanism of this breakup as the combined effect of two- and three-photon absorption. We show that the multiple breakup persists even when the value of two-photon absorption is reduced by an order of magnitude owing to the high value of three-photon absorption of AlGaAs at the half-bandgap. The experimental results extend known mechanisms of soliton breakup induced by two-photon absorption and agree well with numerical beam-propagation simulations.

Original languageAmerican English
Pages (from-to)2830-2832
Number of pages3
JournalOptics Letters
Issue number23
StatePublished - 1 Dec 2008
Externally publishedYes


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