Titel
Inverse-design magnonic devices
Philipp Pirro
Fachbereich Physik and Landesforschungszentrum OPTIMAS, Technische Universität Kaiserslautern
Abstract
The field of magnonics offers a new type of low-power information processing, in which magnons, the quanta of spin waves, carry and process data instead of electrons. Many magnonic devices were demonstrated recently, but the development of each of them requires specialized investigations and, usually, one device design is suitable for one function only. Here, we introduce the method of inverse-design magnonics, in which any functionality can be specified first, and a feedback-based computational algorithm is used to obtain the device design. We validate this method using the means of micromagnetic simulations. Our proof-of-concept prototype is based on a rectangular ferromagnetic area that can be patterned using square-shaped voids. To demonstrate the universality of this approach, we explore linear, nonlinear and nonreciprocal magnonic functionalities and use the same algorithm to create a magnonic (de-)multiplexer, a nonlinear switch and a circulator. Thus, inverse-design magnonics can be used to develop highly efficient rf applications as well as Boolean and neuromorphic computing building blocks.
Stichwort
Applied physicsNanoscale devices
Objekt-Typ
Sprache
Englisch [eng]
Persistent identifier
Erschienen in
Titel
Nature Communications
Band
12
ISSN
2041-1723
Erscheinungsdatum
2021
Publication
Springer Science and Business Media LLC
Erscheinungsdatum
2021
Zugänglichkeit
Rechte
Rechteangabe
© The Author(s) 2021
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