arXiv:quant-ph/0211087 · Physics Letters A

On preparation of the entangled W-states from atomic ensembles

В. Н. Горбачев, A. A. Rodichkina, Andrew I. Trubilko, A. I. Zhiliba

Published Apr 1, 2003• 41 citations

arXiv HTML PDF

DOI: 10.1016/s0375-9601(03)00404-3

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arXiv:quant-ph/0211087 · Physics Letters A

On preparation of the entangled W-states from atomic ensembles

В. Н. Горбачев, A. A. Rodichkina, Andrew I. Trubilko, A. I. Zhiliba

Published Apr 1, 2003• 41 citations

arXiv HTML PDF

DOI: 10.1016/s0375-9601(03)00404-3

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We propose a scheme for preparing an ensemble of atoms in a maximally entangled $W$ state by exploiting the Rydberg blockade effect. The success of our protocol is indicated by the detection of an ion, which thus serves as a herald for successful entangled-state preparation. The fidelity of the preparation scheme is independent of the number of atoms in the ensemble. Therefore, a small cloud of atoms in a dipole trap randomly loaded from a background gas can be reliably prepared in a maximally entangled state despite atom number fluctuations.We propose a scheme for preparing an ensemble of atoms in a maximally entangled $W$ state by exploiting the Rydberg blockade effect. The success of our protocol is indicated by the detection of an ion, which thus serves as a herald for successful entangled-state preparation. The fidelity of the preparation scheme is independent of the number of atoms in the ensemble. Therefore, a small cloud of atoms in a dipole trap randomly loaded from a background gas can be reliably prepared in a maximally entangled state despite atom number fluctuations.

arXiv:1505.03183Physical Review AJul 24, 20158 citations

Preparing large-scale maximally entangled W states in optical system

Ke Li, Tingting Chen, Huibing Mao +1 more

Quantum Information ProcessingSep 28, 20186 citations

We propose a scheme for preparing an ensemble of atoms in a maximally entangled

W

state by exploiting the Rydberg blockade effect. The success of our protocol is indicated by the detection of an ion, which thus serves as a herald for successful entangled-state preparation. The fidelity of the preparation scheme is independent of the number of atoms in the ensemble. Therefore, a small cloud of atoms in a dipole trap randomly loaded from a background gas can be reliably prepared in a maximally entangled state despite atom number fluctuations.