Enhancing non-classicality in mechanical systems

Jie Li; Simon Groeblacher; Mauro Paternostro

doi:10.1088/1367-2630/15/3/033023

Enhancing non-classicality in mechanical systems

Jie Li, Simon Groeblacher, Mauro Paternostro^*

^*Corresponding author for this work

Research output: Contribution to journal › Article › peer-review

20 Citations (Scopus)

206 Downloads (Pure)

Abstract

We study the effects of post-selection measurements on both the non-classicality of the state of a mechanical oscillator and the entanglement between two mechanical systems that are part of a distributed optomechanical network. We address the cases of both Gaussian and non-Gaussian measurements, identifying in which cases simple photon counting and Geiger-like measurements are effective in distilling a strongly non-classical mechanical state and enhancing the purely mechanical entanglement between two elements of the network.

Original language	English
Article number	033023
Number of pages	14
Journal	New Journal of Physics
Volume	15
DOIs	https://doi.org/10.1088/1367-2630/15/3/033023
Publication status	Published - 18 Mar 2013

Keywords

MOVABLE MIRRORS
OPTICAL CAVITY
STATE
ENTANGLEMENT

Access to Document

10.1088/1367-2630/15/3/033023Licence: CC BY

Enhancing non-classicality in mechanical systems
© IOP Publishing Ltd and Deutsche Physikalische Gesellschaft. This is an open access article published under a Creative Commons Attribution License (https://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution and reproduction in any medium, provided the author and source are cited.
Final published version, 791 KBLicence: CC BY

Cite this

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AB - We study the effects of post-selection measurements on both the non-classicality of the state of a mechanical oscillator and the entanglement between two mechanical systems that are part of a distributed optomechanical network. We address the cases of both Gaussian and non-Gaussian measurements, identifying in which cases simple photon counting and Geiger-like measurements are effective in distilling a strongly non-classical mechanical state and enhancing the purely mechanical entanglement between two elements of the network.

KW - MOVABLE MIRRORS

KW - OPTICAL CAVITY

KW - STATE

KW - ENTANGLEMENT

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