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从理论上提出了一种制备窄线宽三光子频率纠缠态的实验方案，该三光子纠缠态利用在两个冷原子系综中的四波混频和电磁诱导透明来产生. 利用二阶微扰理论完成了相关计算，并通过分析光子符合计数，研究了该三光子纠缠态的特性，证明其具有类似于离散变量三粒子W态的基本性质，并具有光子反群聚效应.
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关键词:
- 窄线宽三光子频率纠缠态 /
- 冷原子系综 /
- 四波混频 /
- 电磁诱导透明
We propose a scheme for the generation of narrowband triphoton frequency-entangled states. This scheme uses the four-wave mixing and the electromagnetically induced transparency in two cold-atom ensembles. By using the second-order perturbation theory, some relevant calculations are performed. By analyzing the coincidence-counting rate, we study the correlation and nonclassical properties of these states, and find that they have a similar feature to that of the discrete-variable W state, and can show the antibunching effect.-
Keywords:
- narrowband triphoton entangled state /
- cold-atom ensemble /
- four-wave mixing /
- electromagnetically induced transparency
[1] Cabello A 2002 Phys. Rev. A 65 032108
[2] Dr W, Vidal G, Cirac J I 2000 Phys. Rev. A 62 062314
[3] Zhai Z H, Li Y M, Wang S K, Guo J, Zhang T C, Gao J R 2005 Acta Phys. Sin. 54 2716 (in Chinese)[翟泽辉, 李永明, 王少凯, 郭娟, 张天才, 郜江瑞 2005 54 2716]
[4] Li F L, Li H R, Zhang J X, Zhu S Y 2003 Chin. Phys. Lett. 20 14
[5] Duan L M, Lukin M D, Cirac J I, Zoller P 2001 Nature 414 413
[6] Zhou S Y, Zhang S C, Liu C, Chen J F, Wen J M, Loy M M T, Wong G K L, Du S W 2012 Opt. Express 20 24124
[7] Rubin M H, Klyshko D N, Shih Y H, Sergienko A V 1994 Phys. Rev. A 50 5122
[8] Sun L Q, Zhang Y P, Liu Y F, Tang T T, Yang Z J, Xiang S M 2000 Acta Phys. Sin. 49 724 (in Chinese)[孙利群, 张彦鹏, 刘亚芳, 唐天同, 杨照金, 向世明 2000 49 724]
[9] Sun L Q, Wang J, Tian Q, Zhang Y P, Tang T T 2000 Physics 29 727 (in Chinese) [孙利群, 王佳, 田芊, 张彦鹏, 唐天同 2000 物理 29 727]
[10] Kolchin P, Du S W, Belthangady C, Yin G Y, Harris S E 2006 Phys. Rev. Lett. 97 113602
[11] Balic V, Braje D A, Kolchin P, Yin G Y, Harris S E 2005 Phys. Rev. Lett. 94 183601
[12] Du S W, Kolchin P, Belthangady C, Yin G Y, Harris S E 2008 Phys. Rev. Lett. 100 183603
[13] Liu C, Chen J F, Zhang S, Zhou S, Kim Y H, Loy M M T, Wong G K L, Du S W 2012 Phys. Rev. A 85 021803(R)
[14] Yan H, Zhang S, Chen J F, Loy M M T, Wong G K L, Du S W 2011 Phys. Rev. Lett. 106 033601
[15] Chen J F, Zhang S, Yan H, Loy M M T, Wong G K L, Du S W 2010 Phys. Rev. Lett. 104 183604
[16] Du S W, Wen J M, Belthangady C 2009 Phys. Rev. A 79 043811
[17] Zhang S, Chen J F, Liu C, Loy M M T, Wong G K L, Du S W 2011 Phys. Rev. Lett. 106 243602
[18] Di K, Zhang J 2003 Chin. Phys. B 22 094205
[19] Harris H E 1997 Phys. Today 50 36
[20] Du S W, Wen J M, Rubin M H 2008 J. Opt. Soc. Am. B 25 C98
[21] Wen J M, Rubin H M 2006 Phys. Rev. A 74 023808
[22] Wen J M, Oh E, Du S W 2010 J. Opt. Soc. Am. B 27 A11
[23] Giovannetti V, Maccone L, Shapiro J H, Wong F N C 2002 Phys. Rev. A 66 043813
[24] Yun S J, Wen J M, Xu P, Xiao M, Zhu S N 2010 Phys. Rev. A 82 063830
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[1] Cabello A 2002 Phys. Rev. A 65 032108
[2] Dr W, Vidal G, Cirac J I 2000 Phys. Rev. A 62 062314
[3] Zhai Z H, Li Y M, Wang S K, Guo J, Zhang T C, Gao J R 2005 Acta Phys. Sin. 54 2716 (in Chinese)[翟泽辉, 李永明, 王少凯, 郭娟, 张天才, 郜江瑞 2005 54 2716]
[4] Li F L, Li H R, Zhang J X, Zhu S Y 2003 Chin. Phys. Lett. 20 14
[5] Duan L M, Lukin M D, Cirac J I, Zoller P 2001 Nature 414 413
[6] Zhou S Y, Zhang S C, Liu C, Chen J F, Wen J M, Loy M M T, Wong G K L, Du S W 2012 Opt. Express 20 24124
[7] Rubin M H, Klyshko D N, Shih Y H, Sergienko A V 1994 Phys. Rev. A 50 5122
[8] Sun L Q, Zhang Y P, Liu Y F, Tang T T, Yang Z J, Xiang S M 2000 Acta Phys. Sin. 49 724 (in Chinese)[孙利群, 张彦鹏, 刘亚芳, 唐天同, 杨照金, 向世明 2000 49 724]
[9] Sun L Q, Wang J, Tian Q, Zhang Y P, Tang T T 2000 Physics 29 727 (in Chinese) [孙利群, 王佳, 田芊, 张彦鹏, 唐天同 2000 物理 29 727]
[10] Kolchin P, Du S W, Belthangady C, Yin G Y, Harris S E 2006 Phys. Rev. Lett. 97 113602
[11] Balic V, Braje D A, Kolchin P, Yin G Y, Harris S E 2005 Phys. Rev. Lett. 94 183601
[12] Du S W, Kolchin P, Belthangady C, Yin G Y, Harris S E 2008 Phys. Rev. Lett. 100 183603
[13] Liu C, Chen J F, Zhang S, Zhou S, Kim Y H, Loy M M T, Wong G K L, Du S W 2012 Phys. Rev. A 85 021803(R)
[14] Yan H, Zhang S, Chen J F, Loy M M T, Wong G K L, Du S W 2011 Phys. Rev. Lett. 106 033601
[15] Chen J F, Zhang S, Yan H, Loy M M T, Wong G K L, Du S W 2010 Phys. Rev. Lett. 104 183604
[16] Du S W, Wen J M, Belthangady C 2009 Phys. Rev. A 79 043811
[17] Zhang S, Chen J F, Liu C, Loy M M T, Wong G K L, Du S W 2011 Phys. Rev. Lett. 106 243602
[18] Di K, Zhang J 2003 Chin. Phys. B 22 094205
[19] Harris H E 1997 Phys. Today 50 36
[20] Du S W, Wen J M, Rubin M H 2008 J. Opt. Soc. Am. B 25 C98
[21] Wen J M, Rubin H M 2006 Phys. Rev. A 74 023808
[22] Wen J M, Oh E, Du S W 2010 J. Opt. Soc. Am. B 27 A11
[23] Giovannetti V, Maccone L, Shapiro J H, Wong F N C 2002 Phys. Rev. A 66 043813
[24] Yun S J, Wen J M, Xu P, Xiao M, Zhu S N 2010 Phys. Rev. A 82 063830
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