Quantum effects in the cooperative scattering of light by atomic clouds

Abstract

Scattering of classical light by atomic clouds induces photon-mediated effective long-range interactions between the atoms and leads to cooperative effects even at low atomic densities. We introduce a novel simulation technique that allows us to investigate the quantum regime of the dynamics of large clouds of atoms. We show that the fluorescence spectrum of the cloud can be used to probe genuine quantum cooperative effects. Signatures of these effects are the occurrence, and the scaling behavior, of additional sidebands at twice the frequency of the classical Mollow sidebands, as well as an asymmetry of the Mollow triplet.

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• Many-Body Quantum Spin Dynamics with Monte Carlo Trajectories on a Discrete Phase Space
• Single-Photon Superradiance in Cold Atoms
• Entanglement dynamics and Mollow nonuplets between two coupled quantum dots in a nanowire photonic crystal system

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• Cooperative spontaneous emission via renormalization approach: Classical versus semi-classical effects
• Fate of the Mollow triplet in strongly-coupled atomic arrays
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• Classical versus quantum intensity-field correlations of scattered light from extended cold atomic clouds
• Analytic solutions for the spatial character and coherence properties of light scattered from two dipole-coupled atoms
• Cooperative atomic emission from a line of atoms interacting with a resonant plane surface