We demonstrate self-trapping of one-dimensional and two-dimensional optical beams in a photorefractive KNbO<sub>3</sub> crystal. We study the waveguides induced by the self-trapped beams for prospective applications of tunable nonlinear frequency conversion in soliton-induced waveguides.
© 1997 Optical Society of America
Song Lan, Ming-feng Shih, and Mordechai Segev, "Self-trapping of one-dimensional and two-dimensional optical beams and induced waveguides in photorefractive KNbO3," Opt. Lett. 22, 1467-1469 (1997)