Chaotic parametric soliton-like pulses in ferromagnetic-film active ring resonators

被引：0
|
作者：
S. V. Grishin
T. M. Golova
M. A. Morozova
D. V. Romanenko
E. P. Seleznev
I. V. Sysoev
Yu. P. Sharaevskii
机构：
[1] Tchernyshevsky State University,Kotel’nikov Institute of Radio Engineering and Electronics
[2] Saratov Branch,undefined
[3] Russian Academy of Sciences,undefined
来源：
Journal of Experimental and Theoretical Physics | 2015年 / 121卷
关键词：
Soliton; Spin Wave; Resonant Cavity; Maximum Lyapunov Exponent; Bright Soliton;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
The generation of quasi-periodic sequences of parametric soliton-like pulses in an active ring resonator with a ferromagnetic film via the three-wave parametric instability of a magnetostatic surface wave is studied theoretically and experimentally. These dissipative structures form in time due to the competition between the cubic nonlinearity caused by parametric coupling between spin waves and the time dispersion caused by the resonant cavity that is present in a self-oscillatory system. The development of dynamic chaos due to the parametric instability of a magnetostatic surface wave results in irregular behavior of a phase. However, this behavior does not break a quasi-periodic pulse sequence when the gain changes over a wide range. The generated soliton-like pulses have a chaotic nature, which is supported by the maximum Lyapunov exponent estimated from experimental time series.
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页码：623 / 635
页数：12
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