Izdebskaya, Yana2015-12-13September9781424470464http://hdl.handle.net/1885/83840With an emphasis on experimental observations, we review the state of the art in the area of optical spatial solitons in unbiased nematic liquid crystals, outlining their basic and applied features and discussing recent results, including soliton interaction with curved surfaces and observation of dynamical instability of two counterpropagating solitons.Keywords: Counterpropagating; Curved surfaces; Dynamical instabilities; Experimental observation; Non-local interactions; Optical spatial solitons; Soliton interactions; State of the art; Crystals; Liquid crystals; Liquids; Optoelectronic devices; Solitons; Nematic201010.1109/CAOL.2010.56342422016-02-24