APS » PROLA » Phys. Rev. Lett. » Volume 84 » Issue 18

Phys. Rev. Lett. 84, 4232 - 4235 (2000)

Entanglement of Atomic Ensembles by Trapping Correlated Photon States

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M. D. Lukin1, S. F. Yelin1, and M. Fleischhauer2
1ITAMP, Harvard-Smithsonian Center for Astrophysics, Cambridge, Massachusetts 02138
2Sektion Physik, Ludwig-Maximilians-Universität München, Theresienstrasse 37, D-80333 München, Germany

Featured in Phys. Rev. Focus Received 8 December 1999

We describe a general technique that allows for an ideal transfer of quantum correlations between light fields and metastable states of matter. The technique is based on trapping quantum states of photons in coherently driven atomic media, in which the group velocity is adiabatically reduced to zero. We discuss possible applications such as quantum state memories, generation of squeezed atomic states, preparation of entangled atomic ensembles, quantum information processing, and quantum networking.


©2000 The American Physical Society

URL: http://link.aps.org/abstract/PRL/v84/p4232
DOI: 10.1103/PhysRevLett.84.4232
PACS: 03.67.-a, 42.50.Gy, 42.50.Vk

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