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Authors: Wolz, Tim
Stehli, Alexander
Schneider, Andre
Boventer, Isabella
Macêdo, Rair
Ustinov, Alexey V.
Kläui, Mathias
Weides, Martin
Title: Introducing coherent time control to cavity magnon-polariton modes
Online publication date: 2-Mar-2020
Year of first publication: 2020
Language: english
Abstract: By connecting light to magnetism, cavity magnon-polaritons (CMPs) can link quantum computation to spintronics. consequently, cmp-based information processing devices have emerged over the last years, but have almost exclusively been investigated with single-tone spectroscopy. however, universal computing applications will require a dynamic and on-demand control of the cmp within nanoseconds. here, we perform fast manipulations of the different cmp modes with independent but coherent pulses to the cavity and magnon system. we change the state of the cmp from the energy exchanging beat mode to its normal modes and further demonstrate two fundamental examples of coherent manipulation. we first evidence dynamic control over the appearance of magnon-rabi oscillations, i.e., energy exchange, and second, energy extraction by applying an anti-phase drive to the magnon. our results show a promising approach to control building blocks valuable for a quantum internet and pave the way for future magnon-based quantum computing research. by connecting light and magnetism, the cavity magnon-polariton offers a link between quantum computing and spintronics. here, an important step towards this goal is achieved by demonstrating a dynamic control over both subsystems with coherent microwave pulses on nanosecond timescales.
DDC: 530 Physik
530 Physics
Institution: Johannes Gutenberg-Universität Mainz
Department: FB 08 Physik, Mathematik u. Informatik
Place: Mainz
URN: urn:nbn:de:hebis:77-publ-595772
Version: Accepted version
Publication type: Zeitschriftenaufsatz
License: In Copyright
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Journal: Communications Physics
Pages or article number: Art. 3
Publisher: Springer Nature
Publisher place: London
Issue date: 2020
ISSN: 2399-3650
Publisher URL:
Publisher DOI: 10.1038/s42005-019-0266-x
Appears in collections:JGU-Publikationen

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