Vacuum squeezing simulation in two photon lossy cavity

Document Type : Full length research Paper

Author

Department of Physics, Faculty of Science, University of Hormozgan, Bandar-e-Abbas, Iran

Abstract

In this research, squeeze vacuum state of quantum light is simulated. For this purpose, single mode dissipative cavity with non-zero second-order susceptibility is used. Cavity nonlinear medium is driving by laser pump with known frequency, and pairs of identical photons are created, with one-half frequency of driving pump. This process known as degenerate parametric down conversion. In the absence of any dissipation, simulation shows linear time dependent squeezing parameter, which is in agreement with theoretical results. In two photon loss of cavity in contact with cold reservoir, competition between gain and two photon loss, results in stable squeezing of initial vacuum, in steady state of system.

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References

 
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History

  • Receive Date: 10 November 2019
  • Revise Date: 27 February 2021
  • Accept Date: 26 April 2021

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