Entanglement of Atomic Ensembles by Trapping Correlated Photon States

Abstract

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 and quantum information processing.

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• Experimental quantum teleportation
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• Nonlinear Optics and Quantum Entanglement of Ultra-Slow Single Photons
• Quantum state transfer between motion and light
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• Polarization properties of 'slow' light
• Transient dynamics in cavity electromagnetically induced transparency with ion Coulomb crystals
• Polariton dynamics of a disordered three-cavity system of four-level atom
• Long-distance quantum communication with "polarization" maximally entangled states
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• Propagation of Light in an Ensemble of "3+1"-Level Atoms
• Quantum Information Processing with Continuous Variables and Atomic Ensembles
• Dispersive effects on optical information storage in Bose-Einstein condensates with ultra-slow short pulses
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• Optical quantum swapping in a coherent atomic medium