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Trapped Ion Quantum Computing

Wigner Function Reconstruction in Levitated Optomechanics

arXiv
Authors: Muddassar Rashid, Marko Toroš, Hendrik Ulbricht

Year

2017

Paper ID

44416

Status

Preprint

Abstract Read

~2 min

Abstract Words

111

Citations

N/A

Abstract

We demonstrate the reconstruction of the Wigner function from marginal distributions of the motion of a single trapped particle using homodyne detection. We show that it is possible to generate quantum states of levitated optomechanical systems even under the effect of continuous measurement by the trapping laser light. We describe the opto-mechanical coupling for the case of the particle trapped by a free-space focused laser beam, explicitly for the case without an optical cavity. We use the scheme to reconstruct the Wigner function of experimental data in perfect agreement with the expected Gaussian distribution of a thermal state of motion. This opens a route for quantum state preparation in levitated optomechanics.

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  • This paper contributes to the Trapped-Ion Quantum Computing research area in the Quantum Articles archive.
  • It adds a 2017 reference point for readers tracking recent quantum research.
  • We demonstrate the reconstruction of the Wigner function from marginal distributions of the motion of a single trapped particle using homodyne detection.

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References & Citation Signals

[1] DOI https://doi.org/arXiv:1707.07859 [2] arXiv https://arxiv.org/abs/1707.07859 [3] Publisher https://arxiv.org/abs/1707.07859

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