Escape angles in bulk chi((2)) soliton interactions

Publication: Research - peer-reviewJournal article – Annual report year: 2002

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We develop a theory for nonplanar interaction between two identical type I spatial solitons propagating at opposite, but arbitrary transverse angles in quadratic nonlinear (or so-called chi((2))) bulk, media. We predict quantitatively the outwards escape angle, below which the solitons turn around and collide, and above which they continue to move-away from each other. For in-plane interaction, the theory allows prediction of the Outcome of a collision through the inwards escape angle, i.e., whether the solitons fuse or cross. We find an analytical expression determining the inwards escape angle using Gaussian approximations for the solitons. The theory is verified numerically.
Original languageEnglish
JournalPhysical Review E. Statistical, Nonlinear, and Soft Matter Physics
Publication date2002
Volume65
Journal number2
Pages026601
ISSN1063-651X
DOIs
StatePublished

Bibliographical note

Copyright (2002) American Physical Society

CitationsWeb of Science® Times Cited: 7

Keywords

  • QUADRATIC NONLINEAR MEDIA, COLLISIONS, INDUCED WAVE-GUIDES, BEAMS, INCOHERENT-LIGHT, SPATIAL SOLITONS
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