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Observation of multi-Raman gain resonances in rubidium vapor |
Jun Liu(刘俊), Dong Wei(卫栋), Jin-wen Wang(王金文), Ya Yu(余娅), Hua-jie Hu(胡华杰), Hong Gao(高宏), Fu-li Li(李福利) |
Key Laboratory of Quantum Information and Quantum Optoelectronic Devices of Shanxi Province, School of Science, Xi'an Jiaotong University, Xi'an 710049, China |
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Abstract We present an experimental study of multi-Raman gain resonances in a hot rubidium vapor. The experiment is performed based on a high-efficiency four-wave mixing process due to the Raman-driven coherence in a double-Λ configuration. The Raman gain resonance for 85Rb atoms under a bias magnetic field is shown to be split into five or six peaks, depending on the orientation of the magnetic field. The formed multi-Raman gain resonances have potential applications in measurement of magnetic fields and generation of multi-frequency correlated twin beams.
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Received: 14 March 2016
Revised: 26 May 2016
Accepted manuscript online:
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PACS:
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42.50.-p
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(Quantum optics)
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42.50.Dv
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(Quantum state engineering and measurements)
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42.65.-k
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(Nonlinear optics)
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Fund: Project supported by the National Natural Science Foundation of China (Grant Nos. 11374238, 11574247, and 11534008) and the Fundamental Research Funds for the Central Universities, China (Grant No. xjj2014097). |
Corresponding Authors:
Dong Wei, Hong Gao
E-mail: weidong@mail.xjtu.edu.cn;honggao@mail.xjtu.edu.cn
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Cite this article:
Jun Liu(刘俊), Dong Wei(卫栋), Jin-wen Wang(王金文), Ya Yu(余娅), Hua-jie Hu(胡华杰), Hong Gao(高宏), Fu-li Li(李福利) Observation of multi-Raman gain resonances in rubidium vapor 2016 Chin. Phys. B 25 114204
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