Amplification of Frequency-Modulated Similariton Pulses in Length-Inhomogeneous Active Fibers
Author(s) -
И. О. Золотовский,
D. I. Sementsov,
A. A. Sysolyatin,
A S Belanov,
M. S. Yavtushenko
Publication year - 2011
Publication title -
international journal of optics
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.263
H-Index - 17
eISSN - 1687-9392
pISSN - 1687-9384
DOI - 10.1155/2012/979632
Subject(s) - chirp , dispersion (optics) , pulse (music) , physics , optics , group velocity , wave packet , materials science , atomic physics , laser , detector
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
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