Hybridizing ferromagnetic magnons and microwave photons in the quantum limit

Y Tabuchi, S Ishino, T Ishikawa, R Yamazaki, K Usami… - Physical review …, 2014 - APS
We demonstrate large normal-mode splitting between a magnetostatic mode (the Kittel
mode) in a ferromagnetic sphere of yttrium iron garnet and a microwave cavity mode. Strong …

Dispersive readout of ferromagnetic resonance for strongly coupled magnons and microwave photons

JA Haigh, NJ Lambert, AC Doherty, AJ Ferguson - Physical Review B, 2015 - APS
We demonstrate the dispersive measurement of ferromagnetic resonance in a yttrium iron
garnet sphere embedded within a microwave cavity. The reduction in the longitudinal …

High-cooperativity cavity QED with magnons at microwave frequencies

M Goryachev, WG Farr, DL Creedon, Y Fan… - Physical Review …, 2014 - APS
Using a submillimeter-sized YIG (yttrium-iron-garnet) sphere mounted in a magnetic-field-
focusing cavity, we demonstrate an ultrahigh cooperativity of 1 0 5 between magnon and …

Superstrong coupling of thin film magnetostatic waves with microwave cavity

X Zhang, C Zou, L Jiang, HX Tang - Journal of Applied Physics, 2016 - pubs.aip.org
We experimentally demonstrated the strong coupling between a microwave cavity and
standing magnetostatic magnon modes in a yttrium iron garnet film. Such strong coupling …

Cavity-mediated coherent coupling of magnetic moments

NJ Lambert, JA Haigh, S Langenfeld, AC Doherty… - Physical Review A, 2016 - APS
We demonstrate the long-range strong coupling of magnetostatic modes in spatially
separated ferromagnets mediated by a microwave frequency cavity. Two spheres of yttrium …

Ultrahigh cooperativity interactions between magnons and resonant photons in a YIG sphere

J Bourhill, N Kostylev, M Goryachev, DL Creedon… - Physical Review B, 2016 - APS
Resonant photon modes of a 5-mm-diameter yttrium iron garnet (YIG) sphere loaded in a
cylindrical cavity in the 10–30-GHz frequency range are characterized as a function of …

Magnon Kerr effect in a strongly coupled cavity-magnon system

YP Wang, GQ Zhang, D Zhang, XQ Luo, W Xiong… - Physical Review B, 2016 - APS
We experimentally demonstrate magnon Kerr effect in a cavity-magnon system where
magnons in a small yttrium iron garnet (YIG) sphere are strongly but dispersively coupled to …

Spin pumping in strongly coupled magnon-photon systems

H Maier-Flaig, M Harder, R Gross, H Huebl… - Physical Review B, 2016 - APS
We experimentally investigate magnon polaritons arising in ferrimagnetic resonance
experiments in a microwave cavity with a tunable quality factor. To this end, we …

Cavity magnonics

BZ Rameshti, SV Kusminskiy, JA Haigh, K Usami… - Physics Reports, 2022 - Elsevier
Cavity magnonics deals with the interaction of magnons—elementary excitations in
magnetic materials—and confined electromagnetic fields. We introduce the basic physics …

Optical cooling of magnons

S Sharma, YM Blanter, GEW Bauer - Physical review letters, 2018 - APS
Inelastic scattering of light by spin waves generates an energy flow between the light and
magnetization fields, a process that can be enhanced and controlled by concentrating the …