Circulating cavity magnon polaritons

Weichao Yu; Tao Yu; Gerrit E. W. Bauer

doi:10.1103/PhysRevB.102.064416

Circulating cavity magnon polaritons

Weichao Yu^*, Tao Yu, Gerrit E. W. Bauer

^*Corresponding author for this work

Theory of Condensed Matter

Research output: Contribution to journal › Article › Academic › peer-review

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Abstract

We predict magnon-polariton states circulating unidirectionally in a microwave cavity when loaded by a number of magnets on special lines. Realistic finite-element numerical simulations, including dielectric, time-dependent, and nonlinear effects, confirm the validity of the approximations of a fully analytical input-output model. We find that a phased antenna array can focus all power into a coherent microwave beam with controlled direction and an intensity that scales with the number of magnets.

Original language	English
Article number	064416
Number of pages	11
Journal	Physical Review B
Volume	102
Issue number	6
DOIs	https://doi.org/10.1103/PhysRevB.102.064416
Publication status	Published - 18-Aug-2020

Keywords

HYBRIDIZATION

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Circulating cavity magnon polaritonsFinal publisher's version, 2.75 MBLicence: Taverne

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title = "Circulating cavity magnon polaritons",

abstract = "We predict magnon-polariton states circulating unidirectionally in a microwave cavity when loaded by a number of magnets on special lines. Realistic finite-element numerical simulations, including dielectric, time-dependent, and nonlinear effects, confirm the validity of the approximations of a fully analytical input-output model. We find that a phased antenna array can focus all power into a coherent microwave beam with controlled direction and an intensity that scales with the number of magnets.",

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AU - Bauer, Gerrit E. W.

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AB - We predict magnon-polariton states circulating unidirectionally in a microwave cavity when loaded by a number of magnets on special lines. Realistic finite-element numerical simulations, including dielectric, time-dependent, and nonlinear effects, confirm the validity of the approximations of a fully analytical input-output model. We find that a phased antenna array can focus all power into a coherent microwave beam with controlled direction and an intensity that scales with the number of magnets.

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Circulating cavity magnon polaritons

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