Nonlinear Lateral Spin-Wave Transport in Planar Magnonic Networks

Nonlinear spin-wave transport in lateral magnonic stripes is studied numerically and experimentally. Intensity-dependent spin-wave dynamics and periodic power transfer between stripes is demonstrated. By means of finite-element and micromagnetic numerical simulation, the pronounced variation of the...

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Bibliographic Details
Published in:IEEE magnetics letters 2018, Vol.9, p.1-5
Main Authors: Sadovnikov, Alexandr V., Odintsov, Sergey A., Sheshukova, Svetlana Evgen'evna, Sharaevskii, Yurii P., Nikitov, Sergey A.
Format: Article
Language:English
Subjects:
Computer simulation
Couplings
Directional couplers
Finite element method
Light scattering
Magnetic separation
magnetodynamics
Magnetostatic waves
Magnonics
Mathematical analysis
Mathematical models
Micromagnetics
Microwave magnetics
Numerical models
Power transfer
Spin dynamics
Transport
Wave power
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Summary:Nonlinear spin-wave transport in lateral magnonic stripes is studied numerically and experimentally. Intensity-dependent spin-wave dynamics and periodic power transfer between stripes is demonstrated. By means of finite-element and micromagnetic numerical simulation, the pronounced variation of the coupling length with the variation of the spin-wave power is shown. Both identical and nonidentical magnonic stripes are considered. A phenomenological model is developed and verified by Brillouin light scattering spectroscopy. The lateral topology of magnonic stripes can be used as a tunable interconnection unit in planar magnonic networks, which acts also as a microwave directional coupler, power divider, and spin-wave demultiplexer.
ISSN:1949-307X
1949-3088
DOI:10.1109/LMAG.2018.2874349