Steady-state bright (or dark) spatial solitons are predicted for biased two-photon photovoltaic-
photorefractive materials due to two-photon photorefractive effects. These solitons differ from …

We experimentally investigate the interaction of two counter-propagating spatial optical
solitons (nematicons) in bias-free nematic liquid crystals. We demonstrate the existence of …

We demonstrate experimentally the existence of two transverse-dimensional
counterpropagating (CP) incoherent spatial solitons in a 5× 5× 23 mm SBN: 60Ce …

We extend investigation of one-dimensional solitons in biased photorefractive crystals to
long propagation regimes, where self-trap** over a large number of linear diffraction …

Physics of counterpropagating optical beams and spatial optical solitons is reviewed,
including the formation of stationary states and spatiotemporal instabilities. First, several …

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A highly nonlocal optical response in space has been shown to heal several shortcomings
of beam self-action in nonlinear optics. At the same time, nonlocality is often connected to …

We study experimentally the propagation dynamics and interaction of a pair of mutually
incoherent nematicons: spatial optical solitons in nematic liquid crystals. In contrast to earlier …

We report on the stabilization of inherently unstable counterpropagating photorefractive
spatial solitons by the use of one-and two-dimensional photonic lattices. We numerically …

Dynamical properties of counterpropagating (CP) mutually incoherent self-trapped beams in
optically induced photonic lattices are investigated numerically. A local model with saturable …