We predict that the combination of space and time modulational instabilities that occur by means of parametric wave mixing in quadratic media leads to colored conical emission. This phenomenon should be observed under conditions usually employed in second-harmonic experiments.
© 2002 Optical Society of America
(190.3270) Nonlinear optics : Kerr effect
(190.4410) Nonlinear optics : Nonlinear optics, parametric processes
(190.4420) Nonlinear optics : Nonlinear optics, transverse effects in
(190.4970) Nonlinear optics : Parametric oscillators and amplifiers
Stefano Trillo, Claudio Conti, Paolo Di Trapani, Ottavia Jedrkiewicz, Jose Trull, Gintaras Valiulis, and Gaetano Bellanca, "Colored conical emission by means of second-harmonic generation," Opt. Lett. 27, 1451-1453 (2002)