Amplification of Frequency-Modulated Similariton Pulses in Length-Inhomogeneous Active FibersReport as inadecuate

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International Journal of OpticsVolume 2012 2012, Article ID 979632, 6 pages

Research Article

Ul-yanovsk State University, 42 L.Tolstogo Street, Ul-anovsk 432700, Russia

Fiber Optics Research Center, 38 Vavilov Street, Moscow 119333, Russia

Moscow State University of Instrument Engineering and Computer Sciences, 20 Stromynka Street, Moscow 107996, Russia

Received 4 May 2011; Accepted 21 June 2011

Academic Editor: Christophe Finot

Copyright © 2012 I. O. Zolotovskii et al. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.


The possibility of an effective gain of the self-similar frequency-modulated FM wave packets is studied in the length-inhomogeneous active fibers. The dynamics of parabolic pulses with the constant chirp has been considered. The optimal profile for the change of the group-velocity dispersion corresponding to the optimal similariton pulse amplification has been obtained. It is shown that the use of FM pulses in the active gain and length-inhomogeneous optical fibers with the normal group-velocity dispersion can provide subpicosecond optical pulse amplification up to the energies higher than 1 nJ.

Author: I. O. Zolotovskii, D. I. Sementsov, A. A. Sysolyatin, A. S. Belanov, and M. S. Yavtushenko



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