相干态光场与两纠缠原子相互作用过程中光场的压缩效应

量子电子学报 , 2004, 21(6): 767-772. doi: 10.3969/j.issn.1007-5461.2004.06.012

相干态光场与两纠缠原子相互作用过程中光场的压缩效应

张春发 ^1, , 王长春 ^2, , 吴海滨 ^3, , 曹卓良 ^4,

1.安徽大学物理与材料科学学院,安徽,合肥,230039

2.池州师范专科学校,安徽,池州,247000

3.安徽大学物理与材料科学学院,安徽,合肥,230039

4.安徽大学物理与材料科学学院,安徽,合肥,230039;池州师范专科学校,安徽,池州,247000

基金项目: 安徽省自然科学基金(03042401) 安徽省教育厅自然科学基金(2002kj026)

关键词：量子光学 , 相干态 , 纠缠度 , 光场压缩

Light squeezing in the system of coherent state interacting with two identical two-level atoms

采用时间演化算符和数值计算方法研究了两全同二能级纠缠原子与相干光场相互作用过程中光场的压缩效应.结果表明:两原子不是在任一纠缠态下,光场都会被压缩,光场压缩与两原子体系纠缠度有关联.在某一特定时刻,对于特定的光子数而言,在任一纠缠态下,光场可以完全被压缩.

参考文献

[1]	Tavis M, Cummings F W. Exact solution for an N-molecule-radiation-field Hamiltonian [J]. Phys. Rev., 1968,170: 379-384.
[2]	Buck B, Sukumer C V. Exactly soluble model of atom-phonon coupling showing periodic decay and revival[J].Phys. Lett. A, 1981, 81: 132.
[3]	Lai W K, Buek V, Knight P L. Dynamics of a three-level atom in a two-mode squeezed vacuum [J]. Phys. Rev.A, 1991, 44: 6043-6056.
[4]	Peng J S, Li G X. Influence of the virtual-photon processes on the squeezing of light in the two-photon JaynesCummings model [J]. Phys. Rev. A, 1993, 47: 3167.
[5]	Huang C J, Zhou M, Li J F, et al. Quantum properties of light in the system of two mode squeezing vacuum field interacting with two coupling atoms [J]. Acta Physica Sinica (物理学报), 2000, 49:2159-2164 (in Chinese).
[6]	Song T Q, Feng J, Wang W Z, et al. Higher-order squeezing of the field in the vacuum multiphoton TavisCummings model [J]. Chinese Journal of Quantum Electronics (量子电子学报), 1994, 11:46-48 (in Chinese).
[7]	Luo Z F, Xu Z Z, Xu L. Raman interaction of a pair of two-level atoms with a radiation field [J]. Acta Physica Sinica (物理学报), 1992, 41:1950-1954 (in Chinese).
[8]	Huang C J, Li J F, Zhou M. Time evolution of atom's occupancy in the system of two-mode squeezing vacuum field interacting with two coupling atoms [J]. Chinese Journal of Atomic and Molecular Physics (原子与分子物理学报), 2000, 17:669-676 (in Chinese).
[9]	Pittman T B. Shih Y H, et al. Optical imaging by means of two-photon quantum entanglement [J] Phys. Rev.,1995, A52: R3429.
[10]	Strekalov D V, Sergienko A V, Klyshko D N, et al. Observation of two-photon "ghost" interference and diffraction [J]. Phys. Rev. Lett., 1995, 74: 3600.
[11]	Cao Z L, Zhou Z W, Guo G C. Emission spectrum from two-atom system in Bell states interacting with the optical field in a cavity [J]. Chinese Journal of Lasers (中国激光), 2002, 06 (in Chinese).

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相干态光场与两纠缠原子相互作用过程中光场的压缩效应

Light squeezing in the system of coherent state interacting with two identical two-level atoms

参考文献