title: Stable control of pulse speed in parametric three-wave solitons.
abstract: We analyze the control of the propagation speed of three wave packets interacting in a medium with quadratic nonlinearity and dispersion. We find analytical expressions for mutually trapped pulses with a common velocity in the form of a three-parameter family of solutions of the three-wave resonant interaction. The stability of these novel parametric solitons is simply related to the value of their common group velocity.
authors.affiliation: Dipartimento di Fisica, Istituto Nazionale di Fisica Nucleare, Università La Sapienza, 00185 Roma, Italy.
authors.forename: Antonio
authors.initials: A
authors.lastname: Degasperis
authors.forename: Matteo
authors.initials: M
authors.lastname: Conforti
authors.forename: Fabio
authors.initials: F
authors.lastname: Baronio
authors.forename: Stefan
authors.initials: S
authors.lastname: Wabnitz