| 级联三能级原子的偶极振幅平方压缩 |
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| 引用本文： | 田永红,徐大海,彭金生.级联三能级原子的偶极振幅平方压缩[J].量子电子学报,2001,18(4):334-339. |
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| 作者姓名： | 田永红 徐大海 彭金生 |
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| 作者单位： | 1. 荆州师范学院物理系,
2. 华中师范大学物理系, |
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| 基金项目： | 国家自然科学基金（60078016），湖北省高校科学研究计划（99A093）资助的课题． |
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| 摘 要： | 本文在文献4]的基础上，定义了三能级原子的偶极振幅平方算符，进而由海森伯测不准关系，提出了三能级原子的偶极振幅平方压缩，研究了与关联双模压缩真空场作用的级联三能级原子的偶极振幅平方压缩效应。通过数值计算，讨论了初始压缩光场的压缩参数、单光子失谐量以及原子－光场耦合强度对原子偶极振平方压缩的影响。
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| 关 键 词： | 关联双模压缩真空态 级联三能级原子 原子偶极振幅平方压缩 量子光学 |
| 文章编号： | 1007-5461(2001)04-0334-06 |
| 收稿时间： | 2000/12/25 |
| 修稿时间： | 2000年12月25 |
Dipole Amplitude-squared Squeezing of a Three-level Cascade Atom |
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| Tian Yonghong,Xu Dahai,Peng Jinsheng.Dipole Amplitude-squared Squeezing of a Three-level Cascade Atom[J].Chinese Journal of Quantum Electronics,2001,18(4):334-339. |
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| Authors: | Tian Yonghong Xu Dahai Peng Jinsheng |
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| Affiliation: | Tian Yonghong1,Xu Dahai1,Peng Jinsheng2 |
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| Abstract: | Based on the reference 4], a dipole amplitude-squared operator of a three-level atom is defined, and a dipole amplitude-squared squeezing of a three-level atom is also given with the uncertainty relationship of Hessenbery. The dipole amplitude-squared squeezing effects of a threelevel cascade atom interacting with a correlated two-mode squeezed vacuum field are investigated. Based on the numerical calculations, the influences of the squeezing parameters of the initial squeezed state field, the frequency detuning value of the mono-photon and the intensity of atomfield coupling on the atomic dipole amplitude-squared squeezing are discussed. |
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| Keywords: | correlated two-mode squeezed vacuum state three-level cascade atom atomic dipole amplitude-squared squeezing |
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