Nonreciprocal multimode and indirect couplings in cavity magnonics

C Zhang, C Jia, Y Shi, C Jiang, D Xue, CK Ong, G Chai - Physical Review B, 2021 - APS
We investigate magnon-photon couplings by employing a small magnet within an irregular
resonant cavity, which leads to a desirable nonreciprocity with a big isolation ratio …

Nonreciprocity and unidirectional invisibility in cavity magnonics

YP Wang, JW Rao, Y Yang, PC Xu, YS Gui, BM Yao… - Physical review …, 2019 - APS
We reveal the cooperative effect of coherent and dissipative magnon-photon couplings in an
open cavity magnonic system, which leads to nonreciprocity with a considerably large …

Broadband nonreciprocity realized by locally controlling the magnon's radiation

YT Zhao, JW Rao, YS Gui, YP Wang, CM Hu - Physical Review Applied, 2020 - APS
Interference between coherent and dissipative coupling results in nonreciprocity in cavity
magnonic devices, in which the isolation ratio can theoretically be infinite when the magnon …

Nonreciprocal transmission in a four-mode cavity magnonics system

X Li, J Li, X Cheng, G Li - Laser Physics Letters, 2022 - iopscience.iop.org
We propose a scheme to create optical nonreciprocal transmission in a double-cavity
magnonics system, where one yttrium iron garnet sphere is placed in one of the cavities and …

Mirror symmetric nonreciprocity and circular transmission in cavity magnonics

Y Shi, C Zhang, C Jiang, CK Ong, G Chai - Applied Physics Letters, 2021 - pubs.aip.org
We investigated the magnon–photon coupling in a threefold symmetry open cavity
magnonic system, which leads to the mirror symmetric nonreciprocity and circular …

Magnon-mediated nonreciprocal microwave transmission based on quantum interference

C Kong, XM Bao, JB Liu, H Xiong - Optics Express, 2021 - opg.optica.org
Nonreciprocity has always been a subject of interest and plays a key role in a variety of
applications like signal processing and noise isolation. In this work, we propose a simple …

Nonreciprocal amplification in a cavity magnonics system

C Zhao, R Peng, Z Yang, S Chao, C Li, Z Wang, L Zhou - Physical Review A, 2022 - APS
We propose a scheme to achieve the nonreciprocal amplification in a hybrid cavity
magnonics system. Because of the destructive interference between different paths and the …

Hybrid modes of a cavity photon coupled with multiple magnons in ferromagnetic nanostructures

Z Haghshenasfard, MG Cottam - Physical Review B, 2020 - APS
By using a microscopic dipole-exchange theory within a Green's function formalism, we
study the coupling regime of microwave cavity photons to magnons in nanostructures. The …

Manifestation of the coupling phase in microwave cavity magnonics

A Gardin, J Bourhill, V Vlaminck, C Person… - Physical Review …, 2023 - APS
The interaction between microwave photons and magnons is well understood and
originates from the Zeeman coupling between spins and a magnetic field. Interestingly, the …

Magnon-induced nonreciprocity based on the magnon Kerr effect

C Kong, H Xiong, Y Wu - Physical Review Applied, 2019 - APS
Nonreciprocal devices that allow unidirectional wave propagation are indispensable in
many scientific fields, including, for example, optics, acoustics, electronics, and …