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Measurement noise 100 times lower than the quantum-projection limit using entangled atoms

Author

Listed:
  • Onur Hosten

    (Stanford University)

  • Nils J. Engelsen

    (Stanford University)

  • Rajiv Krishnakumar

    (Stanford University)

  • Mark A. Kasevich

    (Stanford University)

Abstract

Quantum entanglement is thought to offer great promise for improving measurement precision; now a spin-squeezing implementation with cold atoms offers levels of sensitivity unavailable with any competing conventional method, sensing microwave induced rotations a factor of 70 beyond the standard quantum limit.

Suggested Citation

  • Onur Hosten & Nils J. Engelsen & Rajiv Krishnakumar & Mark A. Kasevich, 2016. "Measurement noise 100 times lower than the quantum-projection limit using entangled atoms," Nature, Nature, vol. 529(7587), pages 505-508, January.
    • Handle: RePEc:nat:nature:v:529:y:2016:i:7587:d:10.1038_nature16176
    DOI: 10.1038/nature16176
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    Cited by:

    1. Jun Jia & Valeriy Novikov & Tulio Brito Brasil & Emil Zeuthen & Jörg Helge Müller & Eugene S. Polzik, 2023. "Acoustic frequency atomic spin oscillator in the quantum regime," Nature Communications, Nature, vol. 14(1), pages 1-10, December.
    2. Yink Loong Len & Tuvia Gefen & Alex Retzker & Jan Kołodyński, 2022. "Quantum metrology with imperfect measurements," Nature Communications, Nature, vol. 13(1), pages 1-15, December.

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