Abstract
The possibility of effective amplification of self-similar frequency-modulated pulses in longitudinally nonuniform erbium-doped optical fibers has been studied. A general expression is obtained for the coordinate dependence of the normal dispersion of group velocities that ensures “fast” amplification of the frequency-modulated pulses. It is shown that, at an optimum choice of the dispersion profile, subpicosecond pulses can be amplified up to energies above 1 nJ and peak powers above 50 kW.
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Original Russian Text © I.O. Zolotovskii, D.A. Korobko, O.G. Okhotnikov, D.I. Sementsov, A.A. Sysolyatin, A.A. Fotiadi, 2012, published in Pis’ma v Zhurnal Tekhnicheskoi Fiziki, 2012, Vol. 38, No. 22, pp. 35–40.
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Zolotovskii, I.O., Korobko, D.A., Okhotnikov, O.G. et al. Amplification of frequency-modulated pulses in graded dispersion erbium-doped optical fibers. Tech. Phys. Lett. 38, 1020–1023 (2012). https://doi.org/10.1134/S1063785012110284
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DOI: https://doi.org/10.1134/S1063785012110284