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Experimental Realization of a Passive Gigahertz Frequency- Division Demultiplexer for Magnonic Logic Networks

  • The emerging field of magnonics uses spin waves and their quanta, magnons, to implement wave-based computing on the micro- and nanoscale. Multifrequency magnon networks would allow for parallel data processing within single logic elements, whereas this is not the case with conventional transistor-based electronic logic. However, a lack of experimentally proven solutions to efficiently combine and separate magnons of different frequencies has impeded the intensive use of this concept. Herein, the experimental realization of a spin-wave demultiplexer enabling frequency-dependent separation of magnonic signals in the gigahertz range is demonstrated. The device is based on 2D magnon trans- port in the form of spin-wave beams in unpatterned magnetic films. The intrinsic frequency dependence of the beam direction is exploited to realize a passive functioning obviating an external control and additional power consumption. This approach paves the way to magnonic multiplexing circuits enabling simultaneous information transport and processing.

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Metadaten
Author:Frank Heussner, Giacomo Talmelli, Moritz Geilen, Björn Heinz, Thomas Brächer, Thomas Meyer, Florin Ciubotaru, Christoph Adelmann, Kei Yamamoto, Alexander A. Serga, Burkard Hillebrands, Philipp Pirro
URN (permanent link):urn:nbn:de:hbz:386-kluedo-65574
Parent Title (English):Physica Status Solidi (RRL) - Rapid Research Letters
Publisher:Wiley
Document Type:Article
Language of publication:English
Publication Date:2020/01/16
Year of Publication:2020
Publishing Institute:Technische Universität Kaiserslautern
Date of the Publication (Server):2021/09/07
Issue:14, No. 4
Number of page:6
Source:https://onlinelibrary.wiley.com/doi/full/10.1002/pssr.201900695
Faculties / Organisational entities:Fachbereich Physik
DDC-Cassification:5 Naturwissenschaften und Mathematik / 500 Naturwissenschaften
PACS-Classification (physics):70.00.00 CONDENSED MATTER: ELECTRONIC STRUCTURE, ELECTRICAL, MAGNETIC, AND OPTICAL PROPERTIES / 76.00.00 Magnetic resonances and relaxations in condensed matter, Mossbauer effect
Licence (German):Zweitveröffentlichung