Nonlinear compression of autonomous similaritons in the cubic-quintic nonlinear Schrödinger equation model with nonlinear gain

Details Nonlinear compression of autonomous similaritons in the cubic-quintic nonlinear Schrödinger equation model with nonlinear gain Nonlinear compression of autonomous similaritons in the cubic-quintic nonlinear Schrödinger equation model with nonlinear gain

2011-07-12

arxiv.org/abs/1107.2199v1

Nonlinear Sciences

Pattern Formation and Solitons

Scientific paper

We describe similariton pulse propagation in double-doped optical fibers with the aid of self-similarity analysis of the cubic-quintic nonlinear Schr\"odinger equation with varying dispersion, nonlinearity, gain or absorption, and nonlinear gain. Exact similariton pulses that can propagate self similarly subject to simple scaling rules of this model have been found using a fractional transform. By appropriately tailoring the dispersion profile and nonlinearity, the condition for optimal pulse compression has been obtained. Also, nonlinear chirping of the trigonometric solution has been demonstrated.

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