Experimental prototype of a spin-wave majority gate

Featuring low heat dissipation, devices based on spin-wave logic gates promise to comply with increasing future requirements in information processing. In this work, we present the experimental realization of a majority gate based on the interference of spin waves in an Yttrium-Iron-Garnet-based wav...

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Bibliographic Details
Published in:Applied physics letters 2017-04, Vol.110 (15)
Main Authors: Fischer, T., Kewenig, M., Bozhko, D. A., Serga, A. A., Syvorotka, I. I., Ciubotaru, F., Adelmann, C., Hillebrands, B., Chumak, A. V.
Format: Article
Language:English
Subjects:
Applied physics
Coding
Data processing
Electronic devices
Logic circuits
Magnons
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Summary:Featuring low heat dissipation, devices based on spin-wave logic gates promise to comply with increasing future requirements in information processing. In this work, we present the experimental realization of a majority gate based on the interference of spin waves in an Yttrium-Iron-Garnet-based waveguiding structure. This logic device features a three-input combiner with the logic information encoded in a phase of 0 or π of the input spin waves. We show that the phase of the output signal represents the majority of the three phase states of the spin waves in the three inputs. A switching time of about 10 ns in the prototype device provides evidence for the ability of sub-nanosecond data processing in future down-scaled devices.
ISSN:0003-6951
1077-3118
DOI:10.1063/1.4979840