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Solitons supported by spatially inhomogeneous nonlinear losses

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10.1364/OE.20.002657
 
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hdl:2117/15859

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Borovkova, Olga V.
Kartashov, Yaroslav
Vysloukh, Victor A.
Lobanov, Valery E.
Malomed, Boris A.
Torner Sabata, LluísMés informacióMés informació
Document typeArticle
Defense date2012
Rights accessRestricted access - publisher's policy
All rights reserved. This work is protected by the corresponding intellectual and industrial property rights. Without prejudice to any existing legal exemptions, reproduction, distribution, public communication or transformation of this work are prohibited without permission of the copyright holder
Abstract
We uncover that, in contrast to the common belief, stable dissipative solitons exist in media with uniform gain in the presence of nonuniform cubic losses, whose local strength grows with coordinate η (in one dimension) faster than |η| . The spatially-inhomogeneous absorption also supports new types of solitons, that do not exist in uniform dissipative media. In particular, single-well absorption profiles give rise to spontaneous symmetry breaking of fundamental solitons in the presence of uniform focusing nonlinearity, while stable dipoles are supported by double-well absorption landscapes. Dipole solitons also feature symmetry breaking, but under defocusing nonlinearity.
CitationBorovkova, O. [et al.]. Solitons supported by spatially inhomogeneous nonlinear losses. "Optics express", 2012, vol. 20, núm. 3, p. 2657-2667. 
URIhttp://hdl.handle.net/2117/15859
DOI10.1364/OE.20.002657
ISSN1094-4087
Publisher versionhttp://www.opticsinfobase.org/abstract.cfm?URI=oe-20-3-2657
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