Circulating cavity magnon polaritons

Research output: Contribution to journalArticlepeer-review

2 Citations (Scopus)


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 languageEnglish
Article number064416
JournalPhysical Review B
Issue number6
Publication statusPublished - 2020 Aug 1

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics

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