ISSN 0869-6632 (Print)
ISSN 2542-1905 (Online)

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Galishnikov A. A., Kozhevnikov A. V., Filimonov Y. A. Rectangular pulse compression in linear dispersive media. Izvestiya VUZ. Applied Nonlinear Dynamics, 2005, vol. 13, iss. 1, pp. 63-78. DOI: 10.18500/0869-6632-2005-13-1-63-78

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Rectangular pulse compression in linear dispersive media

Galishnikov Aleksandr Aleksandrovich, Saratov Branch of Kotel`nikov Institute of Radiophysics and Electronics of Russian Academy of Sciences
Kozhevnikov Aleksandr Vladimirovich, Saratov Branch of Kotel`nikov Institute of Radiophysics and Electronics of Russian Academy of Sciences
Filimonov Y. A., Saratov Branch of Kotel`nikov Institute of Radiophysics and Electronics of Russian Academy of Sciences

Based on the parabolic differential equation solution behaviour of the pulse width at half-height in linear second order dispersion media was analyzed. It was shown that rectangular non-chirped pulse width varies non-monotonously with distance and reaches 50–60% initial width at compression length that is equal to 0.44 dispersive length. This compression was shown to be caused by dispersive pulse-edges perturbations that lead to frequency chirp on pulse top. The results of experiment with non-chirped rectangular surface magnetostatic wave pulses in yttrium iron garnet film are presented and are in qualitative agreement with the theoretical results.

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