Propagation of dark stripe beams in nonlinear media: snake instability and creation of optical vortices

AV Mamaev, M Saffman, AA Zozulya - Physical review letters, 1996 - APS
We analyze the evolution of (1+ 1) dimensional dark stripe beams in bulk media with a
photorefractive nonlinear response. These beams, including solitary wave solutions, are …

Break-up of two-dimensional bright spatial solitons due to transverse modulation instability

AV Mamaev, M Saffman, AA Zozulya - Europhysics Letters, 1996 - iopscience.iop.org
Break-up of two-dimensional bright spatial solitons due to transverse modulation instability Page
1 Break-up of two-dimensional bright spatial solitons due to transverse modulation instability To …

Steady-state spatial screening solitons in photorefractive materials with external applied field

M Segev, GC Valley, B Crosignani, P Diporto, A Yariv - Physical review letters, 1994 - APS
Steady-state dark (bright) planar spatial solitons are predicted for photorefractive materials
when the diffraction of an optical beam is exactly compensated by nonlinear self-defocusing …

Bright, dark, and gray spatial soliton states in photorefractive media

DN Christodoulides, MI Carvalho - JOSA B, 1995 - opg.optica.org
A theory based on the Kukhtarev–Vinetskii model is developed that provides the evolution
equation of one-dimensional optical spatial solitons in photorefractive media. In the steady …

Stability of photorefractive spatial solitons

M Segev, G Duree, G Salamo, B Crosignani… - Optics letters, 1994 - opg.optica.org
We present a theoretical analysis of the stability of photorefractive spatial solitons along with
experimental results that show that the solitons are stable for small-scale perturbations but …

Self-bending photorefractive solitons

W Królikowski, N Akhmediev, B Luther-Davies… - Physical Review E, 1996 - APS
We found stationary intensity profiles of photorefractive screening solitons in the presence of
the diffusion processes. We show that these solitons are stable and in a certain range of …

Incoherent collisions between two-dimensional bright steady-state photorefractive spatial screening solitons

M Shih, M Segev - Optics letters, 1996 - opg.optica.org
We report the observation of incoherent collisions between two-dimensional bright
photorefractive screening solitons. The solitons remain intact and do not exchange energy …

Sequential formation of multiple dark photorefractive spatial solitons: experiments and theory

Z Chen, M Segev, SR Singh, TH Coskun… - JOSA B, 1997 - opg.optica.org
Steady-state dark photorefractive spatial screening solitons are observed in an odd-or even-
number sequence when a laser beam that contains a dark stripe generated from a phase or …

Propagation of optical beams and the properties of two-dimensional spatial solitons in media with a local saturable nonlinear refractive index

S Gatz, J Herrmann - JOSA B, 1997 - opg.optica.org
An investigation of the propagation of optical beams and the main properties of spatial
solitons in three-dimensional media with a local saturable nonlinear refractive-index change …

Steady-state dark photorefractive screening solitons

Z Chen, MH Garrett, GC Valley, M Mitchell, M Shih… - Optics letters, 1996 - opg.optica.org
We present an experimental study of steady-state dark photorefractive screening solitons
trapped in a bulk strontium barium niobate crystal. We compare experimental measurements …