Proceedings PaperGeneration of periodic sequence of solitons without pedestal for optical telecommunication systems
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Fast-acting telecommunication systems based on optical solitons will require, for information encoding, the high repetition rate sequential pulses, which can be produced with the aid of induced modulational instability. The disadvantage of the method consists in the accompanying generation of wide pedestal, resulting in the nonlinear interaction between pulses and information losses. The results of our numerical investigations have shown that an employment of the induced Raman effect can suppress it. A sharp increase in contrast (by an order of magnitude) and irregular character of residual background lead to significant depression of sequential pulses interaction. Stability of such pulses generation as well as optimum conditions are discussed in the present work.