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JOURNALS // Pis'ma v Zhurnal Èksperimental'noi i Teoreticheskoi Fiziki // Archive

Pis'ma v Zh. Èksper. Teoret. Fiz., 2018 Volume 108, Issue 5, Pages 332–338 (Mi jetpl5688)

This article is cited in 25 papers

CONDENSED MATTER

Neuromorphic calculations using lateral arrays of magnetic microstructures with broken translational symmetry

A. V. Sadovnikovab, A. A. Grachevb, S. A. Odintsovb, A. A. Martyshkinb, V. A. Gubanovb, S. E. Sheshukovab, S. A. Nikitovcab

a Kotel’nikov Institute of Radio Engineering and Electronics, Russian Academy of Sciences, Moscow, Russia
b Saratov State University, Saratov, Russia
c Moscow Institute of Physics and Technology (State University), Dolgoprudnyi, Russia

Abstract: A possibility to control the characteristics of spin waves in a lateral array of magnetic microstructures with broken translational symmetry is demonstrated. The regimes of spatial and frequency selection of the spinwave signal are studied by Brillouin light scattering and by numerical simulations. The micromagnetic simulation is used to study the effect of geometric parameters on the characteristics of dipole-coupled spin waves. The specific features of the coupling between the transverse modes propagating in the system with broken translational symmetry are revealed. The results can be applied to develop multiplexers, power dividers, couplers, and the ultrahigh frequency signal processing circuits using the neuromorphic principles, which are based on the lateral arrays of magnetic microstructures.

Received: 13.07.2018
Revised: 10.08.2018

DOI: 10.1134/S0370274X1817006X


 English version:
Journal of Experimental and Theoretical Physics Letters, 2018, 108:5, 312–317

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