Journal
PHYSICAL REVIEW B
Volume 91, Issue 10, Pages -Publisher
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevB.91.104410
Keywords
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Funding
- Hitachi Cambridge Laboratory
- EPSRC [EP/K027018/1]
- Hitachi Research fellowship
- ARC via the Centre of Excellence in Engineered Quantum Systems (EQuS) [CE110001013]
- EPSRC [EP/K027018/1] Funding Source: UKRI
- Engineering and Physical Sciences Research Council [EP/K027018/1] Funding Source: researchfish
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We demonstrate the dispersive measurement of ferromagnetic resonance in a yttrium iron garnet sphere embedded within a microwave cavity. The reduction in the longitudinal magnetization at resonance is measured as a frequency shift in the cavity mode coupled to the sphere. This measurement is a result of the intrinsic nonlinearity in magnetization dynamics, indicating a promising route towards experiments in magnon cavity quantum electrodynamics.
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