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Ultrasharp lines without the rotating wave approximation

We study the effects of the non-rotating wave approximation (non-RWA) on the spontaneous emission of a Lambda-type three-level atom, where the metastable states are coupled to a common excited state by a weak laser field and the lower-level doublet is driven by a strong microwave field. When the non...

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Published in:Journal of physics. B, Atomic, molecular, and optical physics Atomic, molecular, and optical physics, 2008-07, Vol.41 (14), p.145505-145505 (5)
Main Authors: Xu, Qing, Hu, Xiang-ming, Yin, Jian-wu
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Language:English
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description We study the effects of the non-rotating wave approximation (non-RWA) on the spontaneous emission of a Lambda-type three-level atom, where the metastable states are coupled to a common excited state by a weak laser field and the lower-level doublet is driven by a strong microwave field. When the non-RWA is applied to the interaction of the atom with the microwave field, the spontaneous emission spectrum is comprised of a series of ultrasharp lines. The physical interpretation of the spectral characteristics is given in light of the dressed states.
doi_str_mv 10.1088/0953-4075/41/14/145505
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source Institute of Physics:Jisc Collections:IOP Publishing Read and Publish 2024-2025 (Reading List)
subjects Exact sciences and technology
Fundamental areas of phenomenology (including applications)
Optics
Physics
Quantum description of interaction of light and matter
related experiments
Quantum optics
title Ultrasharp lines without the rotating wave approximation
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