This article is cited in 6 papers

Fibre optics

Formation of shock waves in inhomogeneous active fibres

I. O. Zolotovskii, D. I. Sementsov

Ulyanovsk State University

Abstract: The formation dynamics of the shock wave of a pulse envelope is considered in fibres with the gain, dispersion, and nonlinearity distributed over the fibre length. It is shown that the wave-front steepness for inhomogeneous optical fibres can be strongly increased even when the local group-velocity dispersion substantially differs from zero if its average value (over the length of the shock-wave formation) is close to zero.

PACS: 42.81.Dp, 62.50.+p

Received: 26.10.2004
Revised: 16.03.2005

 English version: Quantum Electronics, 2005, 35:5, 419–421

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