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Radially symmetric and azimuthally modulated vortex solitons supported by localized gain
Valery E. Lobanov, Yaroslav V. Kartashov, Victor A. Vysloukh +1
We discover that a spatially localized gain supports stable vortex solitons in media with cubic nonlinearity and two-photon absorption. The interplay between nonlinear losses and g…
Bloch wavepacket control in truncated modulated optical lattices
Yaroslav V. Kartashov, Victor A. Vysloukh, Lluis Torner
We study the reflection of Bloch wavepackets at the interface of optical lattice possessing a shallow longitudinal out-of-phase refractive index modulation in adjacent waveguides.…
Solitons in nonlinear lattices
Yaroslav V. Kartashov, Boris A. Malomed, Lluis Torner
This article offers a comprehensive survey of results obtained for solitons and complex nonlinear wave patterns supported by purely nonlinear lattices (NLs), which represent a spat…
Dissipative defect modes in periodic structures
Yaroslav V. Kartashov, Vladimir V. Konotop, Victor A. Vysloukh +1
We show that periodic optical lattices imprinted in cubic nonlinear media with strong two-photon absorption and localized linear gain landscapes support stable dissipative defect m…
Spectral tunneling of lattice nonlocal solitons
Yaroslav V. Kartashov, Victor A. Vysloukh, Lluis Torner
We address spectral tunneling of walking spatial solitons in photorefractive media with nonlocal diffusion of the nonlinear response and an imprinted shallow optical lattice. In co…
Light bullets by synthetic diffraction-dispersion matching
Valery E. Lobanov, Yaroslav V. Kartashov, Lluis Torner
We put forward a new approach to generate stable, fully three-dimensional light bullets, which is based on the matching of the intrinsic material dispersion with a suitable effecti…