Spin wave logic circuits: progress update

Alexander Khitun

doi:10.1117/12.2596399

1 August 2021 Spin wave logic circuits: progress update

Alexander Khitun

Proceedings Volume 11805, Spintronics XIV; 1180517 (2021) https://doi.org/10.1117/12.2596399
Event: SPIE Nanoscience + Engineering, 2021, San Diego, California, United States

Abstract

We provide a comprehensive progress update on spin wave logic circuits. First, we will present experimental data on magnetic bit readout using spin waves. The data are collected for Y3Fe2(FeO4)3 waveguide matrix with cobalt magnets placed on top of the waveguides. The magnetization direction of the magnets is recognized by the level of the inductive voltage produced by the spin waves. This approach allows us to retrieve information from a number of bits in parallel. Second, we will present experimental data on magnetic database search using spin wave superposition. The data are collected for the multi-port YIG devices. The applying of wave superposition makes it possible to speed up the search procedure compared to conventional magnetic memory. Finally, we will present experimental data on prime factorization using spin wave multi-port interferometers. The shortcomings and physical limits of spin wave logic devices will be also discussed.

Conference Presentation

Citation Download Citation

Alexander Khitun "Spin wave logic circuits: progress update", Proc. SPIE 11805, Spintronics XIV, 1180517 (1 August 2021); https://doi.org/10.1117/12.2596399

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KEYWORDS

Logic

Magnetism

Superposition

Waveguides

Cobalt

Databases

Interferometers

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