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arXiv · 1505.03183

Heralded W state preparation using laser-designed super-atoms

Martin Gärttner
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Abstract

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 of atom number fluctuations.

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Martin Gärttner. 2015-05-12. Heralded W state preparation using laser-designed super-atoms. https://doi.org/10.1103/physreva.92.013629

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