Gl. Diankov et Im. Uzunov, SOLITON INTERACTION OF DARK PULSES ON A BACKGROUND OF FINITE-WIDTH INOPTICAL-FIBER, Optics communications, 117(5-6), 1995, pp. 424-430
The propagation properties of the secondary dark pulses created by an
even input dark pulse superimposed on background with finite width are
numerically investigated. The influence of background width and off-c
enter displacement on the pulse parameters as phase, quantity I-p tau(
2) and velocity is considered. It is shown that the secondary dark pul
ses irrespective of the fact that they are not true solitons and adiab
atically change their parameters preserve not only the quantity I-p ta
u(2) but also soliton properties in the course of interaction. Some co
mments on the application of off-centered even pulses on a finite back
ground to form steerable optical waveguides are presented.