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

    Article  ADS  Google Scholar 

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

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

    Article  ADS  Google Scholar 

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

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

    Article  ADS  MathSciNet  Google Scholar 

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

    Article  ADS  Google Scholar 

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

    Article  ADS  Google Scholar 

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

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

    Article  ADS  Google Scholar 

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

    Article  ADS  Google Scholar 

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

    Article  ADS  Google Scholar 

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

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

    Article  Google Scholar 

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

    Article  ADS  Google Scholar 

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

    Article  ADS  Google Scholar 

Download references

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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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