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Area of Science:

  • Quantum optics
  • Atomic physics
  • Many-body physics

Background:

  • Long-range Rydberg interactions enable strong photon-photon interactions via electromagnetically induced transparency (EIT).
  • Rydberg-EIT systems exhibit unique regimes where three-body interactions dominate over two-body interactions.
  • Controllable interactions are crucial for generating novel few-photon states.

Purpose of the Study:

  • Investigate three-body scattering loss in Rydberg-EIT systems across various detuning parameters.
  • Determine the cause of observed features in outgoing photonic correlations.
  • Analyze the role of three-body interactions in photon loss.

Main Methods:

  • Numerical simulations of the full three-body wave function.
  • Analytical estimations using Fermi's golden rule.
  • Systematic study across single and two-photon detunings.

Main Results:

  • Three-body scattering losses are studied in a wide regime of detunings.
  • Features in outgoing photonic correlations are linked to three-body losses.
  • Resonant enhancement of three-body losses is identified as the primary cause.

Conclusions:

  • Three-body losses significantly impact photon correlations in Rydberg-EIT systems.
  • The findings highlight the importance of three-body interactions in controlling photon behavior.
  • This work provides insights into generating and manipulating few-photon states.