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      https://www.ias.ac.in/article/fulltext/pram/095/0031

    • Keywords

       

      Parametric amplifier; squeezing; entanglement; photon number correlations.

    • Abstract

       

      We analyse the entanglement of the light produced by a three-level laser whose cavity contains a parametric amplifier, with the cavity mode driven by the coherent light and coupled to a squeezed vacuum reservoir. Employing stochastic differential equations associated with the normal ordering resulted from the pertinent master equation, the quadrature variances and entanglement of the two-mode light are obtained and photon statistics of the two-light modes is discussed. It is found that the three-level laser generates squeezed light under certain conditions, with maximum intracavity squeezing being 89.7% below the coherent state level. We also show that the parametric amplifier enhances the mean photon number and photon number correlation.

    • Author Affiliations

       

      TAMIRAT ABEBE1 EBISA MOSISA2 CHIMDESSA GASHU2

      1. Department of Physics, Adama Science and Technology University, P.O. Box 1888, Adama, Ethiopia
      2. Department of Physics, Jimma University, P.O. Box 378, Jimma, Ethiopia
    • Dates

       
  • Pramana – Journal of Physics | News

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