Generation of soliton pulse train in optical fibre using two CW singlemode diode lasers

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Abstract
A train of fundamental solitons at 1.53 μm has been generated, with pulse durations of 1.5–3.0 ps, at a repetition rate in the range 80–130GHz from the output of two CW single mode DFB lasers amplified in an Er-doped fibre. The transformation of the beat signal into a soliton train resulted from nonlinear propagation of the signal in a special fibre with dispersion decreasing along the length.

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