Remote Preparation of Mixed States via Noisy Entanglement

Details Remote Preparation of Mixed States via Noisy Entanglement Remote Preparation of Mixed States via Noisy Entanglement

2005-03-09

arxiv.org/abs/quant-ph/0503088v1

Proc. of SPIE Vol.5631-23, 112; Phys. Rev. A 72, 012315 (2005).

Physics

Quantum Physics

10 pages, 5 figures, submitted to PRA

Scientific paper

10.1103/PhysRevA.72.012315

We present a practical and general scheme of remote preparation for pure and mixed state, in which an auxiliary qubit and controlled-NOT gate are used. We discuss the remote state preparation (RSP) in two important types of decoherent channel (depolarizing and dephaseing). In our experiment, we realize RSP in the dephaseing channel by using spontaneous parametric down conversion (SPDC), linear optical elements and single photon detector.

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