| ATOMIC AND MOLECULAR PHYSICS |
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Experimental Investigation of the Electromagnetically Induced-Absorption-Like Effect for an N-Type Energy Level in a Rubidium BEC |
| Khan Sadiq Nawaz1,2, Cheng-Dong Mi1,2, Liang-Chao Chen1,2, Peng-Jun Wang1,2, Jing Zhang1,2** |
1State Key Laboratory of Quantum Optics and Quantum Optics Devices, Institute of Opto-Electronics, Shanxi University, Taiyuan 030006
2Collaborative Innovation Center of Extreme Optics, Shanxi University, Taiyuan 030006
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| Cite this article: |
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Khan Sadiq Nawaz, Cheng-Dong Mi, Liang-Chao Chen et al 2019 Chin. Phys. Lett. 36 043201 |
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Abstract We study the electromagnetically induced-absorption-like (EIA-like) effect for an n-type system in an $^{87}$Rb Bose–Einstein condensate (BEC) using the absorption imaging technique for coupling and driving lasers operating at the $D_{1}$ and $D_{2}$ lines of $^{87}$Rb. The coherent effect is probed by measuring the number of atoms remaining after the BEC is exposed to strong driving fields and a weak probe field. The absorption imaging technique accurately reveals the EIA-like effect of the n-type system. This coherent effect in an n-type system is useful for optical storage, tunable optical switching, and so on.
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Received: 23 December 2018
Published: 23 March 2019
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| PACS: |
32.70.Jz
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(Line shapes, widths, and shifts)
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32.10.Fn
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(Fine and hyperfine structure)
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32.60.+i
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(Zeeman and Stark effects)
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| Fund: Supported by the National Key Research and Development Program of China under Grant No 2016YFA0301602, the National Natural Science Foundation of China under Grant Nos 11474188 and 11704234, the Fund for Shanxi '1331 Project' Key Subjects Construction, and the Program of Youth Sanjin Scholar. |
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