We report what is believed to be the first experimental demonstration of the azimuthal self-breaking of intense beams containing a vortex phase dislocation into sets of optical spatial solitons in a quadratic nonlinear material. The observations were performed in a KTP crystal.
© 1998 Optical Society of America
[of America ]
Dmitri V. Petrov, Lluis Torner, Jordi Martorell, Ramon Vilaseca, Juan P. Torres, and Crina Cojocaru, "Observation of azimuthal modulational instability and formation of patterns of optical solitons in a quadratic nonlinear crystal," Opt. Lett. 23, 1444-1446 (1998)