Erlangen 2018 – scientific programme

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Q: Fachverband Quantenoptik und Photonik

Q 62: Poster: Quantum Optics and Photonics V

Q 62.53: Poster

Thursday, March 8, 2018, 16:15–18:15, Redoutensaal

Coarse-grained master equation for an optical dense atomic ensemble — •Aleksei Konovalov, Andreas Alexander Buchheit, and Giovanna Morigi — Saarland University, 66123 Saarbrücken

We apply the coarse-graining method to derive a master equation of an ensemble of atoms interacting with the electromagnetic field. For a single atom such master equation naturally includes terms due to quantum interference in the decay channels and fulfills the requirements of the Lindblad theorem without any phenomenological assumptions (see Phys. Rev. A 94, 042111 (2016)). An extension of this theoretical approach for describing the atomic emission behavior of an ensemble of atoms requires taking into account the interaction between the atoms, thus also quantum interference due to dipole-dipole interactions at different transition frequencies. We discuss the effect that these additional terms can have on light propagation in an optically dense medium.