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Influence of detector motion on discrimination between photon polarizations

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Abstract

We investigate the discrimination between photon polarizations when measured by moving detectors. Both unambiguous and minimum-error discriminations are considered, and we analyze the the optimal successful (correct) probability as a function of the apparatus’ velocity. The Holevo bound for polarization discrimination is also discussed and explicit calculation shows that the Holevo bound and the optimal successful (correct) probability for unambiguous (minimum-error) discrimination simultaneously increase or decrease.

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Authors and Affiliations

  1. State Key Laboratory of Low-dimensional Quantum Physics, Department of Physics, Tsinghua University, Beijing, 100084, China

    Tao Zhou, Jingxin Cui & Ye Cao

  2. Department of Physics, Sichuan University, Chengdu, 610064, China

    Tao Zhou

Authors
  1. Tao Zhou
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  2. Jingxin Cui
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  3. Ye Cao
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Correspondence to Tao Zhou.

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Zhou, T., Cui, J. & Cao, Y. Influence of detector motion on discrimination between photon polarizations. Quantum Inf Process 12, 747–759 (2013). https://doi.org/10.1007/s11128-012-0416-5

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  • DOI: https://doi.org/10.1007/s11128-012-0416-5

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