Two-Mode Squeezed States and Entangled States of Two Mechanical Resonators

Details Two-Mode Squeezed States and Entangled States of Two Mechanical Resonators Two-Mode Squeezed States and Entangled States of Two Mechanical Resonators

2007-01-29

arxiv.org/abs/quant-ph/0701209v3

Phys. Rev. B 76, 064305 (2007)

Physics

Quantum Physics

9 pages, 3 figures

Scientific paper

10.1103/PhysRevB.76.064305

We study a device consisting of a dc-SQUID with two sections of its loop acting as two mechanical resonators. An analog of the parametric down-conversion process in quantum optics can be realized with this device. We show that a two-mode squeezed state can be generated for two overdamped mechanical resonators, where the damping constants of the two mechanical resonators are larger than the coupling strengths between the dc-SQUID and the two mechanical resonators. Thus we show that entangled states of these two mechanical resonators can be generated.

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