Title: Observation of higher-order solitons in defocusing waveguide arrays
Authors: Smirnov, Eugene
Rüter, Christian E. 
Kip, Detlef  
Kartashov, Yaroslav V
Torner, Lluis
Language: eng
Subject (DDC): DDC::500 Naturwissenschaften und Mathematik
Issue Date: Jul-2007
Publisher: Soc.
Document Type: Article
Journal / Series / Working Paper (HSU): Optics letters 
Volume: 32
Issue: 13
Page Start: 1950
Page End: 1952
Publisher Place: Washington, DC
Abstract: 
We observe experimentally higher-order solitons in waveguide arrays with defocusing saturable nonlinearity. Such solitons can comprise several in-phase bright spots and are stable above a critical power threshold. We elucidate the impact of the nonlinearity saturation on the domains of existence and stability of the observed complex soliton states.
Organization Units (connected with the publication): Technische Universität Clausthal
ISSN: 0146-9592
DOI: 10.1364/ol.32.001950
Appears in Collections:Publications of the HSU Researchers (before HSU)

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