All-magnonic repeater based on bistability

Qi Wang; Roman Verba; Kristýna Davídková; Björn Heinz; Shixian Tian; Yiheng Rao; Mengying Guo; Xueyu Guo; Carsten Dubs; Philipp Pirro; Andrii V. Chumak

doi:10.1038/s41467-024-52084-0

Titel

All-magnonic repeater based on bistability

Autor*in

Qi Wang

School of Physics, Huazhong University of Science and Technology

Roman Verba

Institute of Magnetism

Kristýna Davídková

Fakultät für Physik, Universität Wien

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Abstract

Bistability, a universal phenomenon found in diverse fields such as biology, chemistry, and physics, describes a scenario in which a system has two stable equilibrium states and resets to one of the two states. The ability to switch between these two states is the basis for a wide range of applications, particularly in memory and logic operations. Here, we present a universal approach to achieve bistable switching in magnonics, the field processing data using spin waves. A pronounced bistable window is observed in a 1 μm wide magnonic conduit under an external rf drive. The system is characterized by two magnonic stable states defined as low and high spin-wave amplitude states. The switching between these two states is realized by another propagating spin wave sent into the rf driven region. This magnonic bistable switching is used to design a magnonic repeater, which receives the original decayed and distorted spin wave and regenerates a new spin wave with amplified amplitude and normalized phase. Our magnonic repeater can be installed at the inputs of each magnonic logic gate to overcome the spin-wave amplitude degradation and phase distortion during previous propagation and achieve integrated magnonic circuits or magnonic neuromorphic networks.

Stichwort

Magnetic devicesSpintronics

Objekt-Typ

journal article

Sprache

Englisch [eng]

Persistent identifier

phaidra.univie.ac.at/o:2099235

DOI

10.1038/s41467-024-52084-0

Erschienen in

Titel