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Article
Experimental observation of a vortex dissipative soliton at amplification on the basis of two-wave mixing with saturable absorption
The existence of topological spatial vortex dissipative solitons in an active cavity with a high (>100) Fresnel number, laser-like amplification on the basis of two-wave mixing, and saturable absorption is exp...
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Article
Topological solitons in active optical cavities: Fundamental properties and possible applications
Fundamental properties of topological spatial solitons existing in active cavities with high (above 100) Fresnel numbers, laser and/or parametric amplification, and saturated absorber were numerically and expe...
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Article
Propagation of light laser beams in one- and two-dimensional periodic structures
Diffraction spreading and narrowing of a laser beam within a holographic periodic structure were studied numerically and experimentally. We compared two different approaches to solving the diffraction problem ...
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Article
Experimental characterization of domain walls dynamics in a photorefractive oscillator
We report on the experimental characterization of domain wall dynamics in a photorefractive resonator in a degenerate four-wave mixing configuration. We show how the non-flat profile of the emitted field affec...
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Chapter
Spatial Resonator Solitons
Spatial solitons can exist in various kinds of nonlinear optical resonators with and without amplification. In past years, different types of these localized structures, such as vortices, bright, dark solitons...
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Chapter and Conference Paper
Spatial Semiconductor-Resonator Solitons
We demonstrate experimentally and numerically the existence of spatial solitons in multiple-quantum-well semiconductor microresonators driven by an external coherent optical field. We discuss stability of the ...
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Article
Coherent switching of semiconductor resonator solitons
We demonstrate the switching on and off of spatial solitons in a semiconductor microresonator by injection of light coherent with the background illumination. The results give evidence that the formation of th...
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Article
Incoherent optical switching of semiconductor resonator solitons
We demonstrate experimentally the bistable nature of the bright resonator solitons in a semiconductor microresonator with mixed absorptive/defocusing nonlinearity and show that they can be written and erased b...
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Article
Spatial solitons in a semiconductor microresonator
We show experimentally the existence of bright and dark spatial solitons in a passive quantum-well-semi-conductor resonator of large Fresnel number with mixed absorptive defocusing nonlinearity. Several of the...
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Chapter
Spatial Solitons in Nonlinear Resonators
We discuss solitons in nonlinear resonators. In particular we discuss the cases of “laser” resonator, laser resonator containing a nonlinear absorber, parametric mixing and semiconductor microresonator. In the...
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Article
Stability of localized structures in degenerate wave mixing
We give experimental proof of the stability of (supercritical) spatial phase solitons in degenerate wave mixing.
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Article
Solitons and vortices in lasers
We give in this article the mathematical background for pattern formation in nonlinear active resonators, elucidating the relation of optics with other fields of physics, and demonstrate experimentally the exi...
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Article
Dynamics of laser-induced bubble and free-surface oscillations in an absorbing liquid
A series of laser-driven dynamic photocapillary effects in absorbing liquid are described. We have observed self-oscillations of the free surface of a liquid (iodine solution in ethanol) and laser-induced bubb...