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Article Dans Une Revue Physical Review Letters Année : 2020

Photon Blockade with Ground-State Neutral Atoms

Résumé

We show that induced dipole-dipole interactions allow for photon blockade in subwavelength ensembles of two-level, ground-state neutral atoms. Our protocol relies on the energy shift of the single-excitation, superradiant state of $N$ atoms, which can be engineered to yield an effective two-level system. A coherent pump induces Rabi oscillation between the ground state and a collective bright state, with at most a single excitation shared among all atoms. The possibility of using clock transitions that are long-lived and relatively robust against stray fields, alongside new prospects on experiments with subwavelength lattices, makes our proposal a promising alternative for quantum information protocols.

Dates et versions

hal-03047344 , version 1 (08-12-2020)

Identifiants

Citer

A. Cidrim, T. S. Do Espirito Santo, J. Schachenmayer, R. Kaiser, R. Bachelard. Photon Blockade with Ground-State Neutral Atoms. Physical Review Letters, 2020, 125 (7), ⟨10.1103/PhysRevLett.125.073601⟩. ⟨hal-03047344⟩
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