Reversing the weak measurement of an arbitrary field with finite photon number

Qingqing Sun, M. Al-Amri, and M. Suhail Zubairy
Phys. Rev. A 80, 033838 – Published 25 September 2009
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  • INTRODUCTION
  • SCHEMES
  • CLICK-ALLOWED REVERSAL
  • CONCLUSION
  • NOTES
  • ACKNOWLEDGEMENTS
    • References

    Abstract

    For an arbitrary field with finite photon number inside a leaky cavity, we show that the null-result measurement can be conditionally reversed, using either multiple atoms or a multilevel atom. Even with photons detected, a certain class of fields can still be probabilistically recovered. The state protection probability in such a system can be significantly high.

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    • Received 11 March 2009

    DOI:https://doi.org/10.1103/PhysRevA.80.033838

    ©2009 American Physical Society

    Authors & Affiliations

    Qingqing Sun1,*, M. Al-Amri2, and M. Suhail Zubairy1

    • 1Department of Physics and Institute of Quantum Studies, Texas A&M University, College Station, Texas 77843, USA
    • 2The National Centre for Mathematics and Physics, KACST, P.O. Box 6086, Riyadh 11442, Saudi Arabia

    • *qsun@physics.tamu.edu

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    Issue

    Vol. 80, Iss. 3 — September 2009

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