Outcoupling from a Bose-Einstein condensate with squeezed light to produce entangled atom laser beams

Abstract

We examine the properties of an atom laser produced by outcoupling from a Bose-Einstein condensate with squeezed light. We model the multimode dynamics of the output field and show that a significant amount of squeezing can be transfered from an optical mode to a propagating atom laser beam. We use this to demonstrate that two-mode squeezing can be used to produce twin atom laser beams with continuous variable entanglement in amplitude and phase.

11 pages, 14 figures

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• An Atom Laser with a cw Output Coupler
• Squeezing and entanglement of atomic beams
• Quantum optics of a Bose-Einstein condensate coupled to a quantized light field
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• Atom laser divergence
• A stationary source of non-classical or entangled atoms
• Quantum dynamical theory for squeezing the output of a Bose-Einstein condensate
• Output coupling of a Bose-Einstein condensate formed in a TOP trap
• Coherent molecular bound states of bosons and fermions near a Feshbach resonance
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