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Phase properties of superposed squeezed states

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Abstract

The phase properties of the superposed squeezed states are studied. The superposed squeezed states are obtained by inserting two squeezers in a Mach-Zehnder interferometer one for each arm. The visibility of the states as a measure of the coherence of the generated photons in the nonlinear interferometer is analyzed. And the mean-square phase fluctuations are also considered to analyze the phase properties of the superposed squeezed states. The quantities are obtained as a function of gain and the input phase, when the amplified input is a coherent state, a number state, a thermal state, a displaced number state, or a coherent thermal state.

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Authors and Affiliations

  1. Department of Physics, College of Science, Korea University, 136- 701, Seoul, Korea

    Suc-Kyoung Hong & Chung-In Um

  2. Department of Physics, Chungbuk National University, 306- 763, Cheong Ju, Chung Buk, Korea

    Kyu-Hwang Yeon

Authors
  1. Suc-Kyoung Hong
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  2. Chung-In Um
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  3. Kyu-Hwang Yeon
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Corresponding author

Correspondence to Suc-Kyoung Hong.

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Hong, SK., Um, CI. & Yeon, KH. Phase properties of superposed squeezed states. Optical Review 8, 422–430 (2001). https://doi.org/10.1007/BF02931730

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  • DOI: https://doi.org/10.1007/BF02931730

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