Generation of parabolic laser pulses in short fibre amplifiers
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Published:2019-10-01
Issue:10
Volume:49
Page:925-930
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ISSN:1063-7818
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Container-title:Quantum Electronics
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language:
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Short-container-title:Quantum Electron.
Author:
Shchukarev I.A.,Korobko D.A.,Salganskii M.Yu.,Zolotovskii I.O.
Abstract
Abstract
The laser pulse evolution in a normal-dispersion fibre amplifier is studied. The cases of ideal spectrum-homogeneous and transform-limited amplification are considered. It is shown that the envelope transformation of the input pulse to a parabolic form is possible not only for spectrally-flat amplification, but also for transform-limited one. In the latter case, an important parameter is the optimal amplifier length. The results demonstrate that, in the case of a sufficiently wide amplification spectrum, it is always possible to find the optimal amplifier length, after passing through which the output pulse envelope is close to a parabola.
Subject
Electrical and Electronic Engineering,Atomic and Molecular Physics, and Optics,Statistical and Nonlinear Physics,Electronic, Optical and Magnetic Materials