Abstract
Entanglement is one of the defining features of quantum mechanics, with entangled states of the electromagnetic field being produced routinely in laboratories. At present, it is not as easy to produce entanglement between optical and atomic fields. We analyse a scheme which promises to produce these states, using superradiance and Kapitza-Dirac scattering between lasers and a Bose-Einstein condensate. We show how an optical cavity resonant with the scattered light may make the entanglement easier to measure and use for quantum information purposes.
© 2007 Optical Society of America
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