This book highlights recent advances of optical spatial solitons in
photorefractive materials ranging broadly from the coupling, modulation
instability, effect of pyroelectricity, and the stability of
photorefractive solitons, among other topics. Photorefractive solitons
have been at the forefront of research because of their formation at low
laser powers and unique saturable nonlinearity present in
photorefractive materials which supports solitons in (2+1) D. There has
been a spurt in research on photorefractive solitons recently, which has
contributed to a greater understanding of the theoretical foundation of
photorefractive solitons as also of their various interesting and
practical applications. The book elucidates the diversity of
photorefractive solitons and provides a good resource for students,
researchers, and professionals in the area of nonlinear optics.