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IEEE Spectrum

This looks like a job for superatoms [atom lasers

W. McCarthy

Published Aug 1, 2005• 0 citations
Publisher

Abstract

This paper provides a brief description of how to build an atom laser and discusses some of its potential practical applications.
DOI
10.1109/mspec.2005.1491226

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Ensembles of atoms interacting via their Rydberg levels, known as "superatoms" for their ability to encode qubits and to emit single photons, attract increasing attention as building blocks for quantum network nodes. Assessing their performance requires an accurate, physically informative and numerically scalable description of interactions in a large and disordered ensemble. We derive such a description from first principles and successfully test it against brute-force numerics and experimental data. This model proves essential to make quantitative predictions about gate fidelities or photon emission efficiencies, and to guide experiments towards large-scale superatom-based systems.