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Nonclassicality of photon-subtracted squeezing-enhanced coherent state

Author

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  • Ren, Gang
  • Du, Jian-ming
  • Zhang, Wen-hai

Abstract

We investigate nonclassical properties of the quantum state generated by subtracting any number of photons from the squeezing-enhanced coherent state. It is found that the normalization factor of this new state is related univariate Hermite polynomials. The second-order correlation function, Q-function and degree of squeezing are also derived analytically. A compact expression for the fidelity between the new state and the squeezed coherent state is also derived by using the technique of integration within an ordered product of operators. Especially, this novel state exhibits stronger squeezing and some new statistical properties than the normal squeezed coherent state.

Suggested Citation

  • Ren, Gang & Du, Jian-ming & Zhang, Wen-hai, 2019. "Nonclassicality of photon-subtracted squeezing-enhanced coherent state," Physica A: Statistical Mechanics and its Applications, Elsevier, vol. 514(C), pages 290-297.
    • Handle: RePEc:eee:phsmap:v:514:y:2019:i:c:p:290-297
    DOI: 10.1016/j.physa.2018.09.074
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    Cited by:

    1. Farzan, Mohammad Ehsan & Faghihi, Mohammad Javad & Honarasa, Gholamreza, 2021. "Nonclassical properties of f-deformed photon-added squeezed Kerr states," Physica A: Statistical Mechanics and its Applications, Elsevier, vol. 565(C).
    2. Sayyah-Fard, M., 2021. "Nonclassicality of photon-added q-squeezed first excited states," Physica A: Statistical Mechanics and its Applications, Elsevier, vol. 567(C).

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