Kavli Affiliate: Gregory D. Fuchs
| First 5 Authors: Qin Xu, Gregory D. Fuchs, , ,
| Summary:
We propose two geometries to realize a significant beam splitter interaction
(XZ coupling) between magnons and a 2D microwave cavity mode. In both setups
the cavity is analogous to the mechanical oscillator in a conventional
optomechanical setup. The backaction effects are calculated with realistic
experimental parameters. The analytical results show that we can not only make
the backaction damping (anti-damping) rate larger than the bare microwave
resonator damping rate, but that we can also achieve quantum squeezing of the
resonator where the uncertainty in one quadruture (charge or current) is
smaller than its zero point fluctuation.
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