基于增强拉曼散射的光子-原子双模压缩态的实现

邵辉丽; 李栋; 闫雪; 陈丽清; 袁春华

doi:10.7498/aps.63.014202

摘要

拉曼散射过程中利用原子系综中初始制备的自旋激发（原子相干性），以及注入与原子系综中初始制备的自旋激发相关联的种子光场都可以极大的提高光场频率转换的效率，实现增强拉曼散射. 本文理论上计算了增强拉曼散射过程中原子-光场量子界面的正交分量的量子起伏，得到了相干性导致的增强拉曼散射，只能在一定的范围内稍微提高初始光子-原子的压缩度；而关联增强拉曼散射，能够制备很强的光子-原子间的双模压缩. 这样强压缩度的光子-原子量子界面，对于利用光场和原子系统实现量子精密测量研究有着非常重要的应用.

关键词:

Abstract

Enhanced Raman scattering can be obtained by the initially prepared atomic spin excitation, or by injecting a seeded light field which is correlated with the initially prepared atomic spin excitation. This paper theoretically calculated the quantum fluctuations of the quadrature components of the two-mode photon-atom quantum interface and found that the enhanced Raman scattering based on coherence can improve the initial photon-atom squeezing slightly in a certain scope, and correlation-enhanced Raman scattering can produce strong two-mode squeezing of photon-atom. Such a strong two-mode squeezed state at the photon-atom interface has very important applications in precision measurement research based on the light field and atomic system.

Keywords:

作者及机构信息

1.
华东师范大学光与原子量子研究所, 物理系, 上海 200241;

2.
上海工程技术大学基础学院物理系, 上海 201620

基金项目: 国家自然科学基金（批准号：11004058，11004059，11274118）、上海市教育委员会科研创新重点项目（批准号：13zz036）、中央高校基本科研业务费专项资金和上海高校青年骨干教师国内访学（批准号：B-8938-11-0553）资助的课题.

Authors and contacts

1.
Department of Physics, East China Normal University, Shanghai 200241, China;

2.
Department of Physics, Fundamental School, Shanghai University of Engineering and Science, Shanghai 201620, China

Funds: Project supported by the National Natural Science Foundation of China (Grant Nos. 11004058, 11004059, 11274118), the Innovation Program of Shanghai Municipal Education Commission, China (Grant No. 13zz036), the fundamental research funds for the central universities, and Shanghai young backbone teachers of colleges and universities domestic visiting scholar program, China (Grant No. B-8938-11-0553).

参考文献

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[4]	Zhang J X, Zhang T C, Xie C D, Peng K C 1999 Chin. Phys. 8 437
[5]	Koschorreck M, Napolitano M, Dubost B, Mitchell M W 2010 Phys. Rev. Lett. 105 053601
[6]	McCormick C F, Boyer V, Arimondo E, Lett P D 2007 Opt. Lett. 32 178
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[8]	Xiao M, Wu L A, Kimble H J 1987 Phys. Rev. Lett. 59 278
[9]	Nabors C D, Shelby R M 1990 Phys. Rev. A 42 556
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[11]	Groß C 2012 Spin squeezing and Nonlinear Atom Interferometry with Bose-Einstein Condensates (Berlin: Springer-Verlag) p5
[12]	Ma J, Wang X G, Sun C P, Nori F 2011 Phys. Reports 509 89
[13]	Xiong J, Zhang Z M, Niu Z Q 2002 Acta Phys. Sin. 51 2245 (in Chinese) [熊锦, 张智明, 牛中奇 2002 51 2245]
[14]	Hu X M, Peng J S 1999 Chin. Phys. Lett. 16 648
[15]	L, Y J, Wu L A, Wu M J, Li S Q 1998 Chin. Phys. Lett. 15 109
[16]	He G Q, Zhu J, Zeng G H, Yi Z 2007 Acta Phys. Sin. 56 6427 (in Chinese) [何广强, 朱俊, 曾贵华, 易智 2007 56 6427]
[17]	Yurke B, McCall S L, Klauder J R 1986 Phys. Rev. A 33 4033
[18]	Li D, Yuan C H, Ou Z Y, Zhang W P 2013 arXiv: 1305.4769
[19]	Hammerer K, Sørensen A S, Polzik E S 2010 Rev. Mod. Phys. 82 1041
[20]	Xie R H, Liu D H, Xu G O 1996 Chin. Phys. Lett. 13 97
[21]	Chen L Q, Zhang G W, Yuan C H, Jing J T, Ou Z Y, Zhang W P 2009 Appl. Phys. Lett. 95 041115
[22]	Chen L Q, Zhang G W, Bian C L, Yuan C H, Ou Z Y, Zhang W P 2010 Phys. Rev. Lett. 105 133603
[23]	Yuan C H, Chen L Q, Jing J T, Ou Z Y, Zhang W P 2010 Phys. Rev. A 82 013817
[24]	Yuan C H, Chen L Q, Ou Z Y, Zhang W P 2013 Phys. Rev. A 87 053835
[25]	Raymer M G, Mostowski J 1981 Phys. Rev. A 24 1980
[26]	Wasilewski W, Raymer M G 2006 Phys. Rev. A 73 063816
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[28]	Chen L Q, Bian C L, Zhang G W, Ou Z Y, Zhang W P 2010 Phys. Rev. A 82 033832
[29]	Bian C L, Chen L Q, Zhang G W, Ou Z Y, Zhang W P 2012 Europhys. Lett. 97 34005

施引文献

[1]	Walls D F, Milburn G J 1994 Quantum Optics (Berlin: Springer-Verlag) p15
[2]	Loudon R, Knight P L 1987 J. Mod. Opt. 34 709
[3]	Giovannetti V, Lloyd S, Maccone L 2004 Science 306 1330
[4]	Zhang J X, Zhang T C, Xie C D, Peng K C 1999 Chin. Phys. 8 437
[5]	Koschorreck M, Napolitano M, Dubost B, Mitchell M W 2010 Phys. Rev. Lett. 105 053601
[6]	McCormick C F, Boyer V, Arimondo E, Lett P D 2007 Opt. Lett. 32 178
[7]	Caves M 1980 Phys. Rev. Lett. 45 75; Caves M 1981 Phys. Rev. D 23 1693
[8]	Xiao M, Wu L A, Kimble H J 1987 Phys. Rev. Lett. 59 278
[9]	Nabors C D, Shelby R M 1990 Phys. Rev. A 42 556
[10]	Mehmet M, Vahlbruch H, Lastzka N, Danzmann K, Schnabel R 2010 Phys. Rev. A 81 013814
[11]	Groß C 2012 Spin squeezing and Nonlinear Atom Interferometry with Bose-Einstein Condensates (Berlin: Springer-Verlag) p5
[12]	Ma J, Wang X G, Sun C P, Nori F 2011 Phys. Reports 509 89
[13]	Xiong J, Zhang Z M, Niu Z Q 2002 Acta Phys. Sin. 51 2245 (in Chinese) [熊锦, 张智明, 牛中奇 2002 51 2245]
[14]	Hu X M, Peng J S 1999 Chin. Phys. Lett. 16 648
[15]	L, Y J, Wu L A, Wu M J, Li S Q 1998 Chin. Phys. Lett. 15 109
[16]	He G Q, Zhu J, Zeng G H, Yi Z 2007 Acta Phys. Sin. 56 6427 (in Chinese) [何广强, 朱俊, 曾贵华, 易智 2007 56 6427]
[17]	Yurke B, McCall S L, Klauder J R 1986 Phys. Rev. A 33 4033
[18]	Li D, Yuan C H, Ou Z Y, Zhang W P 2013 arXiv: 1305.4769
[19]	Hammerer K, Sørensen A S, Polzik E S 2010 Rev. Mod. Phys. 82 1041
[20]	Xie R H, Liu D H, Xu G O 1996 Chin. Phys. Lett. 13 97
[21]	Chen L Q, Zhang G W, Yuan C H, Jing J T, Ou Z Y, Zhang W P 2009 Appl. Phys. Lett. 95 041115
[22]	Chen L Q, Zhang G W, Bian C L, Yuan C H, Ou Z Y, Zhang W P 2010 Phys. Rev. Lett. 105 133603
[23]	Yuan C H, Chen L Q, Jing J T, Ou Z Y, Zhang W P 2010 Phys. Rev. A 82 013817
[24]	Yuan C H, Chen L Q, Ou Z Y, Zhang W P 2013 Phys. Rev. A 87 053835
[25]	Raymer M G, Mostowski J 1981 Phys. Rev. A 24 1980
[26]	Wasilewski W, Raymer M G 2006 Phys. Rev. A 73 063816
[27]	Lu C P, Yuan C H, Zhang W P 2008 Acta Phys. Sin. 57 6976 (in Chinese) [鲁翠萍, 袁春华, 张卫平 2008 57 6976]
[28]	Chen L Q, Bian C L, Zhang G W, Ou Z Y, Zhang W P 2010 Phys. Rev. A 82 033832
[29]	Bian C L, Chen L Q, Zhang G W, Ou Z Y, Zhang W P 2012 Europhys. Lett. 97 34005

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