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Theory of Microwave Parametric Down Conversion and Squeezing Using Circuit QED
K. Moon, S. M. Girvin
We study theoretically the parametric down conversion and squeezing of microwaves using cavity quantum electrodynamics of a superconducting Cooper pair box (CPB) qubit located insi…
Comment on recent Physical Review Letter by Gaidarzhy, et al. "Evidence for quantized displacement in macroscopic nanomechanical oscillator."
K. C. Schwab, M. P. Blencowe, M. L. Roukes +4
In a recent letter, Gaidarzhy et al. claim to have observed evidence for quantized displacements of a nanomechanical oscillator. We contend that the evidence, analysis, claims, and…
Approaching Unit Visibility for Control of a Superconducting Qubit with Dispersive Readout
A. Wallraff, D. I. Schuster, A. Blais +4
In a Rabi oscillation experiment with a superconducting qubit we show that a visibility in the qubit excited state population of more than 90 % can be attained. We perform a disper…
Dynamical multistability in high-finesse micromechanical optical cavities
Florian Marquardt, J. G. E. Harris, S. M. Girvin
We analyze the nonlinear dynamics of a high-finesse optical cavity in which one mirror is mounted on a flexible mechanical element. We find that this system is governed by an array…