The generation and transmission characteristics of optical pulses with nonlinear chirp are
analytically studied. When we compare our results, assuming a Gaussian pulse with a …

A finite-difference method is used to solve the nonlinear Schrödinger equation. A not
frequently used numerical method is developed by replacing the time end space derivate by …

Computer studies of the evolution of pulses in nonlinear single-mode fibers are presented.
In the case of anomalous dispersion, the time–bandwidth product of the initial pulse is varied …

A theoretical study of the nonlinear propagation of picosecond chirped pulses in single-
mode fibers is presented. We show that, under appropriate conditions, spectral narrowing …

The effect of frequency chirping on the performance of optical communication systems is
analyzed theoretically using a simple but realistic model for the chirped pulses emitted by a …

An investigation is made of the effects of initial or dynamically induced chirping on the linear
propagation characteristics of pulses in optical fibers. It is shown that under certain …

It is shown that the process of pulse shaping in a nonlinear fiber with zero dispersion can be
controlled by means of appropriate choice of initial chirp. A simplified model was used which …

The evolution of pulses in nonlinear single-mode fibres is investigated by means of direct
numerical integration of the nonlinear Schrödinger equation and by numerical solution of the …

We have investigated a nonlinear pulse reshaping towards parabolic pulses in the passive
normal dispersive optical fibers. We have found that pulses with parabolic intensity profile …

A basic result for the dynamic behavior of semiconductor lasers is combined with the
propagation properties of optical fibers. The frequency chirp observed when a …