Abstract
The conditions for forming pulses with parabolic envelope asymptotics in inhomogeneous fiber optical amplifiers are investigated. The profile of normal group-velocity dispersion, which ensures formation of parabolic pulses with a reduced rate of frequency modulation, is determined. It is shown by numerical simulation that the presence of chirp in the input pulse may cause narrowing of the spectrum at a certain energy.
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Zolotovskii, I.O., Korobko, D.A. & Sementsov, D.I. Formation of parabolic pulses in inhomogeneous fiber optical amplifiers. Phys. Wave Phen. 21, 110–117 (2013). https://doi.org/10.3103/S1541308X13020027
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DOI: https://doi.org/10.3103/S1541308X13020027