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 non-linear 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.

12 pages, 6 figures

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Cited by in corpus (12)

• Quantum magnonics: when magnon spintronics meets quantum information science
• Long-Time Memory and Ternary Logic Gate Using a Multistable Cavity Magnonic System
• Coherent and Dissipative Cavity Magnonics
• Chirality as Generalized Spin-Orbit Interaction in Spintronics
• Experimental generation of circulating cavity magnon polaritons
• Strong to ultra-strong coherent coupling measurements in a YIG/cavity system at room temperature
• Nonreciprocal surface magnetoelastic dynamics
• Nonreciprocal entanglement in cavity magnomechanics exploiting chiral cavity-magnon coupling
• Dynamical phase-field model of cavity electromagnonic systems
• Theory and Experiment of Chirality-induced Magnetic Nonreciprocity Manifested by Coupling Phase
• Distinct Berry Phases in a Single Triangular Möbius Microwave Resonator
• Chiral Magnons: Mechanisms and Research Progress