Solitons supported by spatially inhomogeneous nonlinear losses

Optics Express
Olga V BorovkovaLluis Torner

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.

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Citations

Sep 24, 2014·Philosophical Transactions. Series A, Mathematical, Physical, and Engineering Sciences·Edwin DingBoris A Malomed
Jan 24, 2015·Physical Review. E, Statistical, Nonlinear, and Soft Matter Physics·Qiongtao XieJun Fu
May 15, 2015·Optics Express·Carlos Ruiz-JiménezMiguel A Porras
May 15, 2015·Physical Review. E, Statistical, Nonlinear, and Soft Matter Physics·P G KevrekidisD J Frantzeskakis
May 3, 2018·Optics Express·Thawatchai MayteevarunyooDmitry V Skryabin
Nov 16, 2013·Physical Review. E, Statistical, Nonlinear, and Soft Matter Physics·Yingji He, Boris A Malomed
Oct 4, 2012·Physical Review. E, Statistical, Nonlinear, and Soft Matter Physics·Boris A MalomedS K Lai

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