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Quantum state reconstruction of an oscillator network in an optomechanical setting

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

Authors

Darren W. Moore

Mauro Paternostro

Alessandro Ferraro



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, whose time dependence 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.

Journal Article Type Article
Publication Date Nov 7, 2016
Journal Physical Review A
Print ISSN 2469-9926
Electronic ISSN 2469-9934
Publisher American Physical Society
Peer Reviewed Peer Reviewed
Volume 94
Issue 5
Article Number 053811
APA6 Citation Moore, D. W., Tufarelli, T., Paternostro, M., & Ferraro, A. (2016). Quantum state reconstruction of an oscillator network in an optomechanical setting. Physical Review A, 94(5), https://doi.org/10.1103/PhysRevA.94.053811
DOI https://doi.org/10.1103/PhysRevA.94.053811
Publisher URL https://journals.aps.org/pra/abstract/10.1103/PhysRevA.94.053811
Related Public URLs https://arxiv.org/abs/1606.07007
Copyright Statement Copyright information regarding this work can be found at the following address: http://eprints.nottingh.../end_user_agreement.pdf

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Copyright Statement
Copyright information regarding this work can be found at the following address: http://eprints.nottingham.ac.uk/end_user_agreement.pdf





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