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Quantum State Engineering of Light with Continuous-wave Optical Parametric Oscillators
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Opacity of electromagnetically induced transparency for quantum fluctuations.

P Barberis-Blostein1, M Bienert

  • 1Instituto de Ciencias Físicas, Universidad Nacional Autónoma de México, Ap. Postal 48-3, 62251 Cuernavaca, Morelos, Mexico.

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Summary

Quantum properties oscillate between probe and pump fields in Lambda-configured atoms, altering the quantum state even with unchanged mean field values. This occurs during the propagation of squeezed probe fields exhibiting electromagnetically induced transparency.

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Area of Science:

  • Quantum Optics
  • Atomic Physics
  • Quantum Information Science

Background:

  • Investigates the behavior of quantized fields interacting with three-level atoms.
  • Focuses on systems exhibiting electromagnetically induced transparency (EIT).

Purpose of the Study:

  • To analyze the propagation dynamics of quantized fields in a Lambda-type atomic medium.
  • To calculate the stationary quadrature noise spectrum for a squeezed probe field.
  • To understand the transfer of quantum properties between interacting fields.

Main Methods:

  • Theoretical analysis of quantized field propagation.
  • Calculation of the stationary quadrature noise spectrum.
  • Modeling of a three-level atomic system in a Lambda configuration with EIT.

Main Results:

  • Observed oscillatory transfer of quantum properties between probe and pump fields.
  • The transfer is most pronounced when field intensities are comparable.
  • The final quantum state can differ significantly from the initial state, despite unaltered mean field values.

Conclusions:

  • The interaction leads to a dynamic redistribution of quantum information between fields.
  • Electromagnetically induced transparency facilitates unique quantum state evolution.
  • This phenomenon offers insights into quantum state control and manipulation in atomic systems.