Titlebook: Optical Spatial Solitons in Photorefractive Materials; Aavishkar Katti,R.A. Yadav Book 2021 The Editor(s) (if applicable) and The Author(s

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Introduction to Photorefractive Solitons, a relevant example which then leads to the explanation of the photorefractive effect and self trapping in photorefractive media. A brief experimental overview has also been given after which we discuss a comprehensive theory for the simplest type of photorefractive solitons, known as screening soli

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Formation of Photorefractive Solitons,nduced space charge field is studied and hence the dynamical evolution equation with an explicit temporal dependence is derived. A general theory for incorporating the temporal characteristics in the theoretical formulation for photorefractive solitons is then discussed. This theory is illustrated t

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Photorefractive Waveguides,rys approximation. The planar waveguide structure increases the self-focussing while decreasing the minimum or threshold power required for self trapping. The waveguide structure lowers the power required to form a soliton. The power required to just self trap a soliton keeps on reducing as the stre

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