Three-dimensional optical vortex solitons were created when a Gaussian beam containing a pair of off-axis screw dislocations propagated through a self-defocusing medium. We demonstrate rotation of the solitons around the beam axis by 90° as the nonlinearity is increased.
© 1994 Optical Society of America
Original Manuscript: March 15, 1994
Published: November 15, 1994
Barry Luther-Davies, Rebecca Powles, and Vladimir Tikhonenko, "Nonlinear rotation of three-dimensional dark spatial solitons in a Gaussian laser beam," Opt. Lett. 19, 1816-1818 (1994)