Quantum teleportation of high-dimensional atomic ensemble states
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We propose a scheme for the quantum teleportation of an arbitrary 2N-dimensional macroscopic atomic ensemble state. The state to be teleported is encoded in N ensembles of atoms subsequently interacting with a cavity at the sender side and there are equivalent atomic ensembles at the receiver side. Our scheme relies on the transformation of atomic ensemble states to photonic states followed by coincidence measurements on the photons. We show that instead of using N quantum channels for the teleportation of the state between the N-atomic ensembles, only a single channel can be utilized by employing sequential measurements. 2012 IOP Publishing Ltd.