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Generating controllable atom-light entanglement with a Raman atom laser system.

S A Haine1, M K Olsen, J J Hope

  • 1Australian Centre for Quantum-Atom Optics, The Australian National University, Canberra, 0200, Australia.

Physical Review Letters
|May 23, 2006
PubMed
Summary
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Researchers demonstrate continuous variable entanglement between atomic beams and optical fields using squeezed light. This method allows controllable entanglement of amplitude and phase by adjusting the Raman transition

Area of Science:

  • Quantum optics
  • Atomic physics
  • Bose-Einstein condensates

Background:

  • Generating entanglement between atomic and optical systems is crucial for quantum information science.
  • Controlling continuous variable entanglement is a key challenge in quantum technologies.

Purpose of the Study:

  • To introduce a novel scheme for creating continuous variable entanglement between an atomic beam and an optical field.
  • To demonstrate the controllability of this entanglement.

Main Methods:

  • Utilizing squeezed light to outcouple atoms from a Bose-Einstein condensate via a Raman transition.
  • Modeling the full multimode dynamics of the atom laser beam and the squeezed optical field.

Main Results:

Related Experiment Videos

  • The transmitted light is entangled in amplitude and phase with the outcoupled atom laser beam.
  • The degree of entanglement is controllable via the two-photon Rabi frequency of the outcoupling process.

    • Conclusions:

    • The proposed scheme provides a method for generating controllable continuous variable entanglement.
    • This work has implications for quantum communication and quantum sensing.