Authors:
Di Trapani, P
Bramati, A
Minardi, S
Chinaglia, W
Conti, C
Trillo, S
Kilius, J
Valiulis, G
Citation: P. Di Trapani et al., Focusing versus defocusing nonlinearities due to parametric wave mixing - art. no. 183902, PHYS REV L, 8718(18), 2001, pp. 3902