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Radially symmetric and azimuthally modulated vortex solitons supported by localized gain
Radially symmetric azimuthally modulated vortex solitons localized gain
2010/12/28
We discover that a spatially localized gain supports stable vortex solitons in media with cu-bic nonlinearity and two-photon absorption. The interplay between nonlinear losses and gain in amplifying r...
Two-dimensional dissipative solitons supported by localized gain
Two-dimensional dissipative solitons localized gain
2010/12/28
We show that the balance between localized gain and nonlinear cubic dissipation in the twodimensional nonlinear Schr¨odinger equation allows for existence of stable two-dimensional localized modes whi...