Control of the magnon-photon level attraction in a planar cavity

Y Yang, JW Rao, YS Gui, BM Yao, W Lu, CM Hu - Physical Review Applied, 2019 - APS
A resistive coupling circuit is used to model the recently discovered dissipative coupling in a
hybridized cavity photon-magnon system. With this model as a basis we design a planar …

[HTML][HTML] Dissipative couplings in cavity magnonics

YP Wang, CM Hu - Journal of Applied Physics, 2020 - pubs.aip.org
Cavity magnonics is an emerging field that studies the strong coupling between cavity
photons and collective spin excitations such as magnons. This rapidly developing field …

[HTML][HTML] Coherent and dissipative cavity magnonics

M Harder, BM Yao, YS Gui, CM Hu - Journal of Applied Physics, 2021 - pubs.aip.org
Strong interactions between magnetic materials and electrodynamic cavities mix together
spin and photon properties, producing unique hybridized behavior. The study of such …

Interactions between a magnon mode and a cavity photon mode mediated by traveling photons

JW Rao, YP Wang, Y Yang, T Yu, YS Gui, XL Fan… - Physical Review B, 2020 - APS
We systematically study the indirect interaction between a magnon mode and a cavity
photon mode mediated by traveling photons of a waveguide. From a general Hamiltonian …

Meterscale strong coupling between magnons and photons

J Rao, CY Wang, B Yao, ZJ Chen, KX Zhao, W Lu - Physical Review Letters, 2023 - APS
We experimentally realize a meterscale strong coupling effect between magnons and
photons at room temperature, with a coherent coupling of∼ 20 m and a dissipative coupling …

Level attraction due to dissipative magnon-photon coupling

M Harder, Y Yang, BM Yao, CH Yu, JW Rao, YS Gui… - Physical review …, 2018 - APS
We report dissipative magnon-photon coupling caused by the cavity Lenz effect, where the
magnons in a magnet induce a rf current in the cavity, leading to a cavity backaction that …

[HTML][HTML] Cooperative polariton dynamics in feedback-coupled cavities

B Yao, YS Gui, JW Rao, S Kaur, XS Chen, W Lu… - Nature …, 2017 - nature.com
The emerging field of cavity spintronics utilizes the cavity magnon polariton (CMP) induced
by magnon Rabi oscillations. In contrast to a single-spin quantum system, such a …

Photon correlations in a two-site nonlinear cavity system under coherent drive and dissipation

S Ferretti, LC Andreani, HE Türeci, D Gerace - Physical Review A—Atomic …, 2010 - APS
We calculate the normalized second-order correlation function for a system of two tunnel-
coupled photonic resonators, each one exhibiting a single-photon nonlinearity of the Kerr …

Cavity-mediated dissipative coupling of distant magnetic moments: Theory and experiment

PC Xu, JW Rao, YS Gui, X Jin, CM Hu - Physical Review B, 2019 - APS
We investigate long-range coherent and dissipative coupling between two spatially
separated magnets while both are coupled to a microwave cavity in the strong coupling limit …

Phase-controlled pathway interferences and switchable fast-slow light in a cavity-magnon polariton system

J Zhao, L Wu, T Li, Y Liu, F Nori, Y Liu, J Du - Physical Review Applied, 2021 - APS
We study the phase-controlled transmission properties in a compound system consisting of
a three-dimensional copper cavity and an yttrium-iron-garnet (YIG) sphere. By tuning the …