Mechanical effects of light on the Ξ-type three-level atom in a high-finesse optical cavity

doi:10.1088/1674-1056/20/1/014205

中国物理B ›› 2011, Vol. 20 ›› Issue (1): 14205-014205.doi: 10.1088/1674-1056/20/1/014205

Mechanical effects of light on the Ξ-type three-level atom in a high-finesse optical cavity

刘利伟, 谭磊, 黄刚

Institute of Theoretical Physics, Lanzhou University, Lanzhou 730070, China

收稿日期:2009-12-29 修回日期:2010-09-07 出版日期:2011-01-15 发布日期:2011-01-15
基金资助:
Project supported by the National Natural Science Foundation of China (Grant No. 10704031), the National Science Foundation for Fostering Talents in Basic Research of the National Natural Science Foundation of China (Grant No. J0630313), the Fundamental Research Fund for Physics and Mathematics of Lanzhou University, China (Grant No. Lzu05001), and the Natural Science Foundation of Gansu Province, China (Grant No. 3ZS061-A25-035).

Mechanical effects of light on the $\Xi$-type three-level atom in a high-finesse optical cavity

Liu Li-Wei(刘利伟)^a),Tan Lei(谭磊)^a)b)^†,and Huang Gang(黄刚)^a)

^aInstitute of Theoretical Physics, Lanzhou University, Lanzhou 730070, China; ^bKey Laboratory for Magnetism and Magnetic Materials of the Ministry of Education, Lanzhou University, Lanzhou 730000, China

Received:2009-12-29 Revised:2010-09-07 Online:2011-01-15 Published:2011-01-15
Supported by:
Project supported by the National Natural Science Foundation of China (Grant No. 10704031), the National Science Foundation for Fostering Talents in Basic Research of the National Natural Science Foundation of China (Grant No. J0630313), the Fundamental Research Fund for Physics and Mathematics of Lanzhou University, China (Grant No. Lzu05001), and the Natural Science Foundation of Gansu Province, China (Grant No. 3ZS061-A25-035).

摘要/Abstract

摘要： A theoretical study is carried out for the modification and implication of the effect on the $\Xi$-type three level atom in a high-finesse optical cavity driven by light field including spontaneous emission and the cavity decay. Analytic expressions for the dipole force, the friction force, the optical potentials and the friction coefficient are obtained. Then the numerical and graphical methods are used to investigate the friction coefficient with the controlling parameters. It is shown that the friction coefficient is strongly dependent on the controlling parameters. The cooling rate can increase by one order of magnitude more than that of a two-level atomic system. The reason can be given using the dressed states and the Sisyphus cooling mechanism, which would stimulate further experimental investigations.

关键词: three-level atom, mechanical effects, high finesse optical cavity

Abstract: A theoretical study is carried out for the modification and implication of the effect on the $\Xi$-type three level atom in a high-finesse optical cavity driven by light field including spontaneous emission and the cavity decay. Analytic expressions for the dipole force, the friction force, the optical potentials and the friction coefficient are obtained. Then the numerical and graphical methods are used to investigate the friction coefficient with the controlling parameters. It is shown that the friction coefficient is strongly dependent on the controlling parameters. The cooling rate can increase by one order of magnitude more than that of a two-level atomic system. The reason can be given using the dressed states and the Sisyphus cooling mechanism, which would stimulate further experimental investigations.

Key words: three-level atom, mechanical effects, high finesse optical cavity

中图分类号: (Quantum optics)

42.50.-p

37.30.+i (Atoms, molecules, andions incavities)

刘利伟, 谭磊, 黄刚. Mechanical effects of light on the Ξ-type three-level atom in a high-finesse optical cavity[J]. 中国物理B, 2011, 20(1): 14205-014205.

Liu Li-Wei(刘利伟), Tan Lei(谭磊), and Huang Gang(黄刚) . Mechanical effects of light on the $\Xi$-type three-level atom in a high-finesse optical cavity[J]. Chin. Phys. B, 2011, 20(1): 14205-014205.

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Mechanical effects of light on the Ξ-type three-level atom in a high-finesse optical cavity

Mechanical effects of light on the $\Xi$-type three-level atom in a high-finesse optical cavity

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