Abstract

When pulses are launched with insufficient energy to create a soliton, they broaden as they propagate in optical fibers. We show that by synchronous Raman amplification this process can be reversed. Also, we show that it is not necessary to work in the limit of small gain. These results are in agreement with a theory of pulse generation and compression, which is discussed.

© 1988 Optical Society of America

Suppression of the soliton self-frequency shift by bandwidth-limited amplification

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