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Trapped Ion Quantum Computing

Hidden quantum correlations in cavity-based quantum optics

arXiv
Authors: Bakhao Dioum, Virginia D'Auria, Giuseppe Patera

Year

2024

Paper ID

37831

Status

Preprint

Abstract Read

~2 min

Abstract Words

92

Citations

N/A

Abstract

In multimode optical systems, the spectral covariance matrix encodes all the information about quantum correlations between the quadratures of Gaussian states. Recent research has revealed that, in scenarios that are more common than previously thought, part of these correlations remain inaccessible to standard homodyne detection scheme. Formally, this effect can be attributed to a non-real spectral covariance matrix. In this work, we provide a systematic framework and explicit criteria for identifying experimental configurations leading to such a behavior. This study will facilitate the proper exploitation and optimal engineering of CV quantum resources.

Why This Paper Matters

  • This paper contributes to the Trapped-Ion Quantum Computing research area in the Quantum Articles archive.
  • It adds a 2024 reference point for readers tracking recent quantum research.
  • In multimode optical systems, the spectral covariance matrix encodes all the information about quantum correlations between the quadratures of Gaussian states.

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References & Citation Signals

[1] DOI https://doi.org/arXiv:2410.16479 [2] arXiv https://arxiv.org/abs/2410.16479 [3] Publisher https://arxiv.org/abs/2410.16479

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