Cooperative fluorescence from a strongly driven dilute cloud of atoms

Johan Raunkjær Ott, Martijn Wubs, Peter Lodahl, N.A. Mortensen, R. Kaiser

17 Citationer (Scopus)

Abstract

We investigate cooperative fluorescence in a dilute cloud of strongly driven two-level emitters. Starting from the Heisenberg equations of motion, we compute the first-order scattering corrections to the saturation of the excited-state population and to the resonance-fluorescence spectrum, which both require going beyond the state-of-the-art linear-optics approach to describe collective phenomena. A dipole blockade is observed due to long-range dipole-dipole coupling that vanishes at stronger driving fields. Furthermore, we compute the inelastic component of the light scattered by a cloud of many atoms and find that the Mollow triplet is affected by cooperativity. In a lobe around the forward direction, the inelastic Mollow triplet develops a spectral asymmetry, observable under experimental conditions.

OriginalsprogEngelsk
Artikelnummer061801
TidsskriftPhysical Review A (Atomic, Molecular and Optical Physics)
Vol/bind87
Udgave nummer6
ISSN2469-9926
DOI
StatusUdgivet - 5 jun. 2013

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