Feedback in a parametric resonator enables deep subthreshold squeezing or cooling of fluctuations near Hopf and saddle-node bifurcations.
(38), but with ˜G0(ω)andG +(±ω)replaced by ˜G0,01(ω)andG +,01(±ω), respectively
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Deep squeezing or cooling the fluctuations of a parametric resonator using feedback
Feedback in a parametric resonator enables deep subthreshold squeezing or cooling of fluctuations near Hopf and saddle-node bifurcations.