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Collective dynamics in a laser-pumped mixture of two atomic ensembles

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Jin,  Lu-ling
Division Prof. Dr. Christoph H. Keitel, MPI for Nuclear Physics, Max Planck Society;

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Evers,  Jörg
Division Prof. Dr. Christoph H. Keitel, MPI for Nuclear Physics, Max Planck Society;

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Macovei,  Mihai
Division Prof. Dr. Christoph H. Keitel, MPI for Nuclear Physics, Max Planck Society;

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Citation

Jin, L.-l., Evers, J., & Macovei, M. (2017). Collective dynamics in a laser-pumped mixture of two atomic ensembles. Journal of the Optical Society of America B-Optical Physics, 34(6), 1280-1285. doi:10.1364/JOSAB.34.001280.


Cite as: https://hdl.handle.net/21.11116/0000-0000-FA10-4
Abstract
We investigate the quantum dynamics of an atomic mixture composed of two multi-atom ensembles. Each ensemble is driven separately by a coherent laser field, respectively, and dampens via the interactions with the environmental vacuum electromagnetic field reservoir. We find that, due to the photon exchange among the two components, long-time excitation oscillations appear, which may be significantly longer than the inverse lifetime of a single emitter. Furthermore, few-atom "jumps" to the excited state occur as a function of the parameter characterizing the inter-component interactions around a certain working point. (C) 2017 Optical Society of America