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Conferences > NLGW > 1995 > NSaB > NSaB16

Nonlinear Waveguiding in a Photorefractive Slab with Nonlocal (Diffusion Type) Nonlinearity

P.A. Marquez Aguilar, J.J. Sanchez Mondragon, and S. Stepanov

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Abstract

Nonlinear waveguiding in media with spatially local Kerr-like nonlinearity attracted intensive attention recently [1]. Similar type of nonlinearity can also be realized in photorefractive crystals (PRCs) with drift mechanism of recording [2] where it needs remarkably lower light intensities - up to 100 μW/cm2 in some cases. This type of nonlinearity was utilized in recent experiments on bright [3,4] and dark [5] spatial soliton propagation in ferroelectric SrxBal-x NbO6 (SBN) and cubic Bi12 TiO20 (BTO) crystals.

© 1995 Optical Society of America

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