Generation of bright envelope solitons of subnanosecond duration in double negative bigyrotropic medium based on a magnetized ferromagnetic semiconductor film
Bogomolova A. V.
1, Romanenko D. V.
1, Grishin S. V.
1, Nikitov S. A.
1,21Saratov State University, Saratov, Russia
2Kotelnikov Institute of Radio Engineering and Electronics, Russian Academy of Sciences, Moscow, Russia
Email: sergrsh@yandex.ru
The results of numerical simulation of periodic sequences of bright envelope solitons of the sub-nanosecond duration in a film of bigyrotropic medium possessing properties of a ferromagnetic semiconductor are presented. Such short pulses are formed on a backward volume electromagnetic wave (BVEMW) existing at the frequencies where the medium material parameters are double negative. It is shown that the duration of bright envelope solitons on BVEMW is approximately two orders of magnitude shorter than that of bright envelope solitons which are formed on the backward volume magnetostatic spin wave in a ferromagnetic film. Keywords: solitons, left-handed medium, ferromagnetic semiconductor.
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