| Optical bistability of a composite system induced by a broadband squeezed vacuum |
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| 引用本文： | 罗进明,李家华. Optical bistability of a composite system induced by a broadband squeezed vacuum[J]. 中国物理, 2005, 14(9): 1834-1838 |
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| 作者姓名： | 罗进明 李家华 |
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| 作者单位： | Department of Physics, Huazhong University of Science and Technology, Wuhan 430074, China;Department of Physics, Huazhong University of Science and Technology, Wuhan 430074, China |
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| 基金项目： | Project supported in part by the National Natural Science Foundation of China (Grant Nos 10125419 and60478029). |
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| 摘 要： | A composite system consisting of a degenerate optical parametric oscillator （DOPO） and N two-level atoms interacting with a broadband squeezed vacuum （SV） centred at frequency cas and an input monochromatic pumping field with a frequency ωp is analysed. The corresponding explicit analytical steady-state solutions in the central mode ωp = ωs are derived, and the result displays optical bistability （OB）. In addition, the influence of the broadband SV on the bistable behaviour is analysed in detail.
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| 关 键 词： | 光学 稳定性 复合系统 真空挤压 振荡器 |
| 文章编号： | 1009-1963/2005/14（09）/1834-05 |
| 收稿时间： | 2004-10-22 |
| 修稿时间： | 2005-04-04 |
Optical bistability of a composite system induced by a broadband squeezed vacuum |
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| Luo Jin-Ming and Li Jia-Hua. Optical bistability of a composite system induced by a broadband squeezed vacuum[J]. Chinese Physics, 2005, 14(9): 1834-1838 |
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| Authors: | Luo Jin-Ming and Li Jia-Hua |
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| Affiliation: | Department of Physics, Huazhong University of Science and Technology, Wuhan 430074, China |
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| Abstract: | A composite system consisting of a degenerate optical parametric oscillator (DOPO) and N two-level atoms interacting with a broadband squeezed vacuum (SV) centred at frequency omega_{rm s} and an input monochromatic pumping field with a frequency omega_{rm p} is analysed. The corresponding explicit analytical steady-state solutions in the central mode omega_{rm p}=omega_{rm s} are derived, and the result displays optical bistability (OB). In addition, the influence of the broadband SV on the bistable behaviour is analysed in detail. |
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| Keywords: | bistability parametric oscillator squeezed vacuum |
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