Exploració per autor "Vysloukh, Victor A."
Ara es mostren els items 16-35 de 108
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Dissipative defect modes in periodic structures
Kartashov, Yaroslav; Konotop, Vladimir V; Vysloukh, Victor A.; Torner Sabata, Lluís (2010-05-15)
Article
Accés restringit per política de l'editorialWe show that periodic optical lattices imprinted in cubic nonlinear media with strong two-photon absorption and localized linear gain landscapes support stable dissipative defect modes in both focusing and defocusing media. ... -
Dynamic versus Anderson wave-packet localization
Borovkova, Olga V.; Lobanov, Valery E.; Kartashov, Yaroslav V.; Vysloukh, Victor A.; Torner Sabata, Lluís (2015-06-18)
Article
Accés obertWe address the interplay between two fundamentally different wave-packet localization mechanisms, namely, resonant dynamic localization due to collapse of quasienergy bands in periodic media and disorder-induced Anderson ... -
Dynamic versus Anderson wave-packet localization
Borovkova, Olga V.; Lobanov, Valery E.; Kartashov, Yaroslav V.; Vysloukh, Victor A.; Torner Sabata, Lluís (APS Physics, 2015-06-18)
Article
Accés obertWe address the interplay between two fundamentally different wavepacket localization mechanisms, namely resonant dynamic localization due to collapse of quasi-energy bands in periodic media and disorder-induced Anderson ... -
Dynamics of surface solitons at the edge of chirped optical lattices
Kartashov, Yaroslav V.; Vysloukh, Victor A.; Torner Sabata, Lluís (2007-07)
Article
Accés restringit per política de l'editorialWe address soliton formation at the edge of chirped optical lattices imprinted in Kerr-type nonlinear media. We find families of power thresholdless surface waves that do not exist at other types of lattice interfaces. ... -
Eigenvalue control and switching by fission of multisoliton bound states in planar waveguides
Aleshkevich, V A; Kartashov, Yaroslav V.; Zelenina, A S; Vysloukh, Victor A.; Pérez Torres, Juan; Torner Sabata, Lluís (2004-03)
Article
Accés restringit per política de l'editorialWe report the results of numerical studies of the fission of ¿-soliton bound states at the interface formed by a Kerr nonlinear medium and a linear dielectric in a planar waveguide. A variety of effects are shown to occur, ... -
Engineering soliton nonlinearities: from local to strongly nonlocal
Kartashov, Yaroslav V.; Vysloukh, Victor A.; Torner Sabata, Lluís (2009-01)
Article
Accés restringit per política de l'editorialWe put forward what we believe to be a novel strategy to achieve synthetic nonlinearities where local and nonlocal contributions compete on a similar footing, thus yielding intermediate tunable responses ranging from local ... -
Enhancement and inhibition of light tunneling mediated by resonant mode conversion
Kartashov, Yaroslav V.; Vysloukh, Victor A.; Torner Sabata, Lluís (2014-02-15)
Article
Accés restringit per política de l'editorialWe show that the rate at which light tunnels between neighboring multimode waveguides can be drastically increased or reduced by the presence of small longitudinal periodic modulations of the waveguide properties that ... -
Gap solitons on a ring
Kartashov, Yaroslav V.; Malomed, B A; Vysloukh, Victor A.; Torner Sabata, Lluís (2008-12)
Article
Accés restringit per política de l'editorialWe introduce a new species of gap solitons (GSs) supported by an azimuthally modulated guiding ring in defocusing cubic media. The periodicity in the azimuthal direction strongly modifies properties and existence domains ... -
General quasi-nonspreading linear three-dimensional wave packets
Borovkova, Olga V.; Kartashov, Yaroslav; Lobanov, Valery E.; Vysloukh, Victor A.; Torner Sabata, Lluís (2011-06-15)
Article
Accés restringit per política de l'editorialWe introduce a general approach for generation of sets of three-dimensional quasi-nonspreading wave packets propagating in linear media, also referred to as linear light bullets. The spectrum of rigorously nonspreading ... -
Generation of arbitrary complex quasi-non-diffracting optical patterns
Ortiz Ambriz, Antonio; López Aguayo, Servando; Kartashov, Yaroslav V.; Vysloukh, Victor A.; Petrov, Dimitri; Garcia Gracia, Hipolito; Gutierrez Vega, Julio Cesar; Torner Sabata, Lluís (2013-09)
Article
Accés restringit per política de l'editorialDue to their unique ability to maintain an intensity distribution upon propagation, non-diffracting light fields are used extensively in various areas of science, including optical tweezers, nonlinear optics and quantum ... -
Generation of surface soliton arrays
Kartashov, Yaroslav V.; Vysloukh, Victor A.; Mihalache, Dumitru; Torner Sabata, Lluís (2006-07)
Article
Accés restringit per política de l'editorialWe discover that, at the edge of an optical lattice imprinted in a saturable nonlinear medium, one-dimensional surface solitons exist only within a band of light intensities and that they cease to exist when the lattice ... -
Highly-asymmetric soliton complexes in parabolic optical lattices
Kartashov, Yaroslav V.; Vysloukh, Victor A.; Torner Sabata, Lluís (2008-01)
Article
Accés restringit per política de l'editorialWe introduce multipole soliton complexes in optical lattices induced by nondiffracting parabolic beams. Despite the symmetry breaking dictated by the curvature of the lattice channels, we find that complex, asymmetric ... -
Hybrid bloch-anderson localization of light
Stützer, Simon; Kartashov, Yaroslav V.; Vysloukh, Victor A.; Konotop, Vladimir V; Nolte, Stefan; Torner Sabata, Lluís; Szameit, Alexander (2013-04-26)
Article
Accés restringit per política de l'editorialWe investigate the interplay of Bloch oscillations and Anderson localization in optics. Gradual washing out of Bloch oscillations and the formation of nearly stationary averaged intensity distributions, which are symmetric ... -
Inhibition of light tunneling in waveguide arrays
Szameit, Alexander; Kartashov, Yaroslav V.; Dreisow, Felix; Heinrich, Matthias; Pertsch, T; Nolte, Stefan; Tunnermann, A; Vysloukh, Victor A.; Lederer, F; Torner Sabata, Lluís (2009-04)
Article
Accés restringit per política de l'editorialWe report the observation of almost perfect light tunneling inhibition at the edge and inside laser-written waveguide arrays due to band collapse. When the refractive index of the guiding channels is harmonically modulated ... -
Lattice-supported surface waves in nonlocal nonlinear media
Kartashov, Yaroslav V.; Torner Sabata, Lluís; Vysloukh, Victor A. (2006-08)
Article
Accés restringit per política de l'editorialWe reveal that lattice interfaces imprinted in nonlocal nonlinear media support surface solitons that do not exist in other similar settings, including interfaces of local and nonlocal uniform materials. We show the impact ... -
Light dynamics in glass-vanadium dioxide nanocomposite waveguides with thermal nonlinearity
Kartashov, Yaroslav; Vysloukh, Victor A. (2009-04)
Article
Accés obertWe address the propagation of laser beams in SiO2–VO2 nanocomposite waveguides with thermo-optical nonlinearity. We show that the large modifications of the absorption coefficient as well as notable changes of the ... -
Light dynamics in materials with radially inhomogeneous thermal conductivity
Kartashov, Yaroslav V.; Vysloukh, Victor A.; Torner Sabata, Lluís (2013-11-01)
Article
Accés restringit per política de l'editorialWe study the properties of bright and vortex solitons in thermal media with nonuniform thermal conductivity and homogeneous refractive index, whereby the local modulation of the thermal conductivity strongly affects the ... -
Light localization in nonuniformly randomized lattices
Kartashov, Yaroslav; Konotop, Vladimir V; Vysloukh, Victor A.; Torner Sabata, Lluís (2012)
Article
Accés restringit per política de l'editorialWe address Anderson localization of light in disordered optical lattices where the disorder strength varies across the transverse direction. Such variation changes the preferred domains where formation of localized eigenmodes ... -
Light tunneling inhibition and anisotropic diffraction engineering in two-dimensional waveguide arrays
Kartashov, Yaroslav V.; Szameit, Alexander; Vysloukh, Victor A.; Torner Sabata, Lluís (2009-01)
Article
Accés restringit per política de l'editorialWe address two-dimensional (2D) waveguide arrays where light tunneling into neighboring waveguides may be effectively suppressed by an out-of-phase harmonic modulation of the refractive index in neighboring waveguides at ... -
Metastability of dark snoidal-type waves in quadrayic nonlinear media
Kartashov, Yaroslav V.; Egorov, A A; Zelenina, A S; Vysloukh, Victor A.; Torner Sabata, Lluís (2003-11)
Article
Accés restringit per política de l'editorialWe report the existence and basic properties of dark snoidal-type waves self-sustained in quadratic nonlinear media. Using a stability analysis technique, we reveal that they are almost completely stable, or metastable, ...