Generation of Multipartite Continuous-variable Entanglements via Atomic Spin Wave

Details Generation of Multipartite Continuous-variable Entanglements via Atomic Spin Wave Generation of Multipartite Continuous-variable Entanglements via Atomic Spin Wave

2012-01-31

arxiv.org/abs/1201.6577v1

Physics

Quantum Physics

14pages, 3figures

Scientific paper

We present a proof-of-principle way to generate nondegenerate multipartite continuous-variable entanglements via atomic spin wave induced by the strong coupling and probe fields in the Lambda-type electromagnetically induced transparency configuration in an atomic ensemble. Quantum correlated/anti-correlated and entangled Stokes and anti-Stokes fields, simultaneously produced through scattering the applied laser fields off the atomic spin wave, can be achieved. This method can, in principle, be extended to flexibly and conveniently create multicolor multipartite entangled narrow-band fields to any desired order with long correlation time, which may find promising applications in quantum information processing and quantum networks.

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