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QUANTUM OPTICS

Entanglement-enhanced sensor networks

A network of quantum sensors for estimating phase shifts is shown to operate with superior sensitivity when delocalized highly entangled states are employed.

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Fig. 1: Entanglement strategies in a sensor network.

References

  1. 1.

    Schrödinger, E. Math. Proc. Camb. Philos. Soc. 31, 555–563 (1935).

    ADS  Article  Google Scholar 

  2. 2.

    Bell, J. S. Speakable and Unspeakable in Quantum Mechanics (Cambridge Univ. Press, 1987).

  3. 3.

    Horodecki, R., Horodecki, P., Horodecki, M. & Horodecki, K. Rev. Mod. Phys. 81, 865–942 (2009).

    ADS  Article  Google Scholar 

  4. 4.

    Einstein, A. & Born, M. The Born-Einstein Letters 1916 to 1955 157 (MacMillan, 1971).

  5. 5.

    Pezzè, L. & Smerzi, A. Phys. Rev. Lett. 102, 100401 (2009).

    ADS  MathSciNet  Article  Google Scholar 

  6. 6.

    Greenberger, D. M., Horne, M. A. & Zeilinger, A. In Bell’s Theorem, Quantum Theory, and Conceptions of the Universe (ed. Kafatos, M.) 73–76 (Kluwer Academics, 1989).

  7. 7.

    Giovannetti, V., Lloyd, S. & Maccone, L. Nat. Photon. 5, 222–229 (2011).

    ADS  Article  Google Scholar 

  8. 8.

    Pezzè, L., Smerzi, A., Oberthaler, M. K., Schmied, R. & Treutlein, P. Rev. Mod. Phys. 90, 035005 (2018).

    ADS  Article  Google Scholar 

  9. 9.

    Liu, L.-Z. et al. Nat. Photon. https://doi.org/10.1038/s41566-020-00718-2 (2021).

  10. 10.

    Gessner, M., Pezzè, L. & Smerzi, A. Phys. Rev. Lett. 121, 130503 (2018).

    ADS  Article  Google Scholar 

  11. 11.

    Proctor, T. J., Knott, P. A. & Dunningham, J. A. Phys. Rev. Lett. 120, 080501 (2018).

    ADS  Article  Google Scholar 

  12. 12.

    Ge, W., Jacobs, K., Eldredge, Z., Gorshkov, A. V. & Foss-Feig, M. Phys. Rev. Lett. 121, 043604 (2018).

    ADS  Article  Google Scholar 

  13. 13.

    Zhao, S.-R. et al. Preprint at https://arxiv.org/abs/2011.02807 (2020).

  14. 14.

    Guo, X. et al. Nat. Phys. 16, 281–284 (2020).

    Article  Google Scholar 

  15. 15.

    Xia, Y. et al. Phys. Rev. Lett. 124, 150502 (2020).

    ADS  Article  Google Scholar 

  16. 16.

    Polino, E. et al. Optica 6, 288–295 (2019).

    ADS  Article  Google Scholar 

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Correspondence to Luca Pezzè.

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Pezzè, L. Entanglement-enhanced sensor networks. Nat. Photonics 15, 74–76 (2021). https://doi.org/10.1038/s41566-020-00755-x

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