| ATOMIC AND MOLECULAR PHYSICS |
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The Inversionless Amplification in a Tripod System of 87Rb Atoms in a Magneto-optical Trap |
| SUN Zhen1, JIA Feng-Dong1, LV Shuang-Fei1, RUAN Ya-Ping1, QING Bo3, XUE Ping2, XU Xiang-Yuan2,4, DAI Xing-Can2, ZHONG Zhi-Ping1** |
1School of Physics, University of Chinese Academy of Sciences, Beijing 100049
2State Key Laboratory of Low-dimensional Quantum Physics, Department of Physics, Tsinghua University and Collaborative Innovation Center of Quantum Matter, Beijing 100084
3Research Center of Laser Fusion, China Academy of Engineering Physics, Mianyang 621900
4Department of Physics, Capital Normal University, Beijing 100037
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| Cite this article: |
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SUN Zhen, JIA Feng-Dong, LV Shuang-Fei et al 2014 Chin. Phys. Lett. 31 043201 |
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Abstract The probe transmission spectra around the atomic transition 52S1/2,F=2→52P3/2,F'=2 of 87Rb are measured in a magneto-optical trap by adding a coupling field around the atomic transition 52S1/2,F=2→52P3/2,F'=2. The inversionless amplification is observed in the spectrum over the atomic transition 52S1/2,F=2→52P3/2,F'=2. The tripod electromagnetically induced transparency is proposed to account for the amplification feature, in which population distributions among these related atomic levels play an important role.
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Received: 23 December 2013
Published: 25 March 2014
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| PACS: |
32.70.Jz
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(Line shapes, widths, and shifts)
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42.50.Gy
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(Effects of atomic coherence on propagation, absorption, and Amplification of light; electromagnetically induced transparency and Absorption)
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42.50.Nn
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(Quantum optical phenomena in absorbing, amplifying, dispersive and conducting media; cooperative phenomena in quantum optical systems)
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