Self-generation of microwave nonlinear waveforms in the magnonic-optoelectronic oscillator (MOEO) was investigated. Nonlinear dynamics of the MOEO was due to both optical and magnonic paths of the oscillator circuit. Four-magnon parametric interactions in the magnonic path and cosine transfer function of the electro-optical modulator caused double nonlinearity of the MOEO. Gain coefficient was used as a control parameter. We found that during a route from regular to chaotic dynamics, the oscillator generates two unusual waveforms: symmetry-breaking soliton-like modes of Möbius type and periodic pulses with chaotic amplitude modulation. Nonlinear waveforms were characterized using a time series analysis. Peculiarities of the signals and their spectra in regular and chaotic regimes of self-generation are discussed. We expect that the multiple nonlinearity of the MOEO may be useful for investigation of various fundamental effects in complex time-delayed systems and for development of novel circuits for neuromorphic computing.
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Self-generation of Möbius solitons and chaotic waveforms in magnonic-optoelectronic oscillators under simultaneous action of optic and magnonic nonlinearities
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7 November 2022
Research Article|
November 07 2022
Self-generation of Möbius solitons and chaotic waveforms in magnonic-optoelectronic oscillators under simultaneous action of optic and magnonic nonlinearities
Special Collection:
Recent Advances in Magnonics
Alexandr V. Kondrashov
;
Alexandr V. Kondrashov
a)
(Conceptualization, Data curation, Formal analysis, Investigation, Methodology, Software, Validation, Visualization, Writing – original draft, Writing – review & editing)
Department of Physical Electronics and Technology, St. Petersburg Electrotechnical University
, 197376 St. Petersburg, Russia
a)Author to whom correspondence should be addressed: avkondrashov@etu.ru
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Alexey B. Ustinov
Alexey B. Ustinov
(Conceptualization, Data curation, Formal analysis, Funding acquisition, Investigation, Methodology, Project administration, Resources, Software, Supervision, Validation, Visualization, Writing – original draft, Writing – review & editing)
Department of Physical Electronics and Technology, St. Petersburg Electrotechnical University
, 197376 St. Petersburg, Russia
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a)Author to whom correspondence should be addressed: avkondrashov@etu.ru
Note: This paper is part of the Special Topic on Recent Advances in Magnonics.
J. Appl. Phys. 132, 173907 (2022)
Article history
Received:
August 30 2022
Accepted:
October 07 2022
Citation
Alexandr V. Kondrashov, Alexey B. Ustinov; Self-generation of Möbius solitons and chaotic waveforms in magnonic-optoelectronic oscillators under simultaneous action of optic and magnonic nonlinearities. J. Appl. Phys. 7 November 2022; 132 (17): 173907. https://doi.org/10.1063/5.0123442
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