Stable control of pulse speed in parametric three-wave solitons.
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.
Degasperis
Antonio
A
Dipartimento di Fisica, Istituto Nazionale di Fisica Nucleare, Università La Sapienza, 00185 Roma, Italy.
Conforti
Matteo
M
Baronio
Fabio
F
Wabnitz
Stefan
S