Quantum state reconstruction of an oscillator network in an optomechanical setting

Darren W. Moore, Tommaso Tufarelli, Mauro Paternostro, Alessandro Ferraro

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Abstract

We introduce a scheme to reconstruct an arbitrary quantum state of a mechanical oscillator network. We assume that a single element of the network is coupled to a cavity field via a linearized optomechanical interaction, the time dependence of which is controlled by a classical driving field. By designing a suitable interaction profile, we show how the statistics of an arbitrary mechanical quadrature can be encoded in the cavity field, which can then be measured. We discuss the important special case of Gaussian state reconstruction and study numerically the effectiveness of our scheme for a finite number of measurements. Finally, we speculate on possible routes to extend our ideas to the regime of single-photon optomechanics.
Original languageEnglish
Article number053811
Number of pages10
JournalPhysical Review A (Atomic, Molecular, and Optical Physics)
Volume94
DOIs
Publication statusPublished - 07 Nov 2016

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