电磁感应透明介质中非线性法拉第偏转

佘彦超; 张蔚曦; 王登龙

doi:10.7498/aps.60.064205

摘要

利用多重尺度法,解析地研究了V型五能级超冷原子电磁感应透明介质中弱的线偏振探测光的传播特性. 结果表明,仅考虑系统的线性效应,随着耦合光强度的增加,介质对探测光的吸收迅速减少,而探测光的传播速度逐渐增加,但比真空中的光速要低若干个数量级. 同时发现,在相同的外加磁场下探测光的非线性法拉第偏转方向与线性法拉第偏转相反,且偏转角更大. 这说明电磁感应透明介质中探测光的法拉第偏转主要是由系统的非线性效应调控.

关键词:

电磁感应透明 /
非线性法拉第偏转

Abstract

By using multiple-scale methods, we study analytically the propagation properties of the weak linear polarization probe optical field in a cold lifetime-broadened five-level V type atomic system via electromagnetically induced transparency. It is shown that with the strength of the coupling field increasing, the absorption of the probe optical field decreases rapidly and the group velocity of the probe optical field increases quickly under the consideration of linear effect. However, the velocity is several orders of magnitude slower than the light speed in vacuum. Meanwhile, we find that for the same magnetic field the nonlinear Faraday rotation direction is opposite to linear Faraday rotation, and its rotation angle grows bigger than that of linear Faraday rotation. These results mean that the Faraday rotation of the electromagnetically induced transparency medium can be controlled by the nonlinear effect.

Keywords:

electromagnetically induced transparency /
nonlinear Faraday rotation

作者及机构信息

(1)铜仁学院物理与电子科学系,铜仁 554300; (2)铜仁学院物理与电子科学系,铜仁 554300;湘潭大学物理系,量子工程与微纳能源技术湖南省普通高等学校重点实验室,湘潭 411105; (3)湘潭大学物理系,量子工程与微纳能源技术湖南省普通高等学校重点实验室,湘潭 411105

基金项目: 国家自然科学基金(批准号:10674113)、量子工程和微纳能源技术湖南省普通高等学校重点实验室基金(批准号:09QNT05)和铜仁学院科研计划(批准号:TS1009, TR054)资助的课题.

Authors and contacts

(1)Department of Physics and Electronic Science, Tongren University, Tongren 554300, China; (2)Department of Physics and Electronic Science, Tongren University, Tongren 554300, China; Department of Physics, Key Laboratory of Quantum Engineering and Micro-Nano Energy Technology of Education Bureau of Hunan Province, Xiangtan University, Xiangtan 411; (3)Department of Physics, Key Laboratory of Quantum Engineering and Micro-Nano Energy Technology of Education Bureau of Hunan Province, Xiangtan University, Xiangtan 411105, China

参考文献

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[3]	Day G W, Payne D N, Barlow A J, Ramskov-Hansent J J 1982 Opt. Lett. 7 238
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[9]	Zhang F, Xu Y, Yang J, Guillot M 2000 J. Phys.: Condens. Matter 12 7287
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[11]	Nath R, Santos L 2010 Phys. Rev. A 81 033626
[12]	Wojciechowski A, Corsini E, Zachorowski J, Gawlik W 2010 Phys. Rev. A 81 053420
[13]	Harris S E, Field J E, Imamoglu A 1990 Phys. Rev. Lett. 64 1107
[14]	Fleischhauer M, Imamoglu A, Marangos J P 2005 Rev. Mod. Phys. 77 633
[15]	She Y C, Wang D L, Zhang W X, He Z M, Ding J W 2010 J. Opt. Soc. Am. B 27 208
[16]	Huang G X, Deng L, Payne M G 2005 Phys. Rev. E 72 016617
[17]	Hang C, Huang G X, Deng L 2006 Phys. Rev. E 74 046601
[18]	Yang W X, Chen A X, Si L G, Jiang K, Yang X, Lee R K 2010 Phys. Rev. A 81 023814
[19]	Yang W X, Lee R K 2008 Euro. Phys. Lett. 83 14002
[20]	Yan S B, Liu T, Geng T, Zhang T C, Peng K C, Wang J M 2004 Chin. Phys. 13 1669
[21]	Li J H, Yang W X, Peng J C 2004 Chin. Phys. 13 1694
[22]	Li Y Y, Hou X, Bai J T, Yan J F, Gan C L, Zhang Y P 2008 Chin. Phys. B 17 2885
[23]	Ba N, Gao J W, Tian X X, Wu X, Wu J H 2010 Chin. Phys. B 19 074208
[24]	Zhang L Y, Liu Z D 2005 Acta Phys. Sin. 54 3641 (in Chinese) [张丽英、刘正东 2005 54 3641]
[25]	Drampyan R, Pustelny S, Gawlik W 2009 Phys. Rev. A 80 0338115
[26]	Hang C, Huang G X 2007 Chin. Opt. Lett. 5 47

施引文献

[1]	Faraday M 1846 Philos. Mag. 28 294
[2]	Kimura M, Kondo H, Hattori S 1965 J. Phys. Soc. Jpn. 20 1778
[3]	Day G W, Payne D N, Barlow A J, Ramskov-Hansent J J 1982 Opt. Lett. 7 238
[4]	Budker D, Gawlik W, Kimball D F, Rochester S M, Yashchuk V V, Weis A 2002 Rev. Mod. Phys. 74 1153
[5]	Liang Z C, Zhao R, Bao G 2009 Acta Phys. Sin. 58 5479 (in Chinese) [梁忠诚、赵瑞、包刚 2009 58 5479]
[6]	Ghosh A, Hill W, Fischer P 2007 Phys. Rev. A 76 055402
[7]	Zhang L, Zhang R 2008 J. Magn. Magn. Mater. 320 1849
[8]	Takei N, Takeuchi M, Eto Y, Noguchi A, Zhang P, Ueda M, Kozuma M 2010 Phys. Rev. A 81 042331
[9]	Zhang F, Xu Y, Yang J, Guillot M 2000 J. Phys.: Condens. Matter 12 7287
[10]	Yan F, Cui M Q, Chen K, Sun L J, Xi S B, Zhou K J, Zheng L, Zhao Y D, Wang Z S, Zhu J T, Zhang Z, Zhao J 2008 Acta Phys. Sin. 57 2860 (in Chinese) [鄢芬、崔明启、陈凯、孙立娟、席识博、周克瑾、郑雷、赵屹东、王占山、朱京涛张众、赵佳 2008 57 2860]
[11]	Nath R, Santos L 2010 Phys. Rev. A 81 033626
[12]	Wojciechowski A, Corsini E, Zachorowski J, Gawlik W 2010 Phys. Rev. A 81 053420
[13]	Harris S E, Field J E, Imamoglu A 1990 Phys. Rev. Lett. 64 1107
[14]	Fleischhauer M, Imamoglu A, Marangos J P 2005 Rev. Mod. Phys. 77 633
[15]	She Y C, Wang D L, Zhang W X, He Z M, Ding J W 2010 J. Opt. Soc. Am. B 27 208
[16]	Huang G X, Deng L, Payne M G 2005 Phys. Rev. E 72 016617
[17]	Hang C, Huang G X, Deng L 2006 Phys. Rev. E 74 046601
[18]	Yang W X, Chen A X, Si L G, Jiang K, Yang X, Lee R K 2010 Phys. Rev. A 81 023814
[19]	Yang W X, Lee R K 2008 Euro. Phys. Lett. 83 14002
[20]	Yan S B, Liu T, Geng T, Zhang T C, Peng K C, Wang J M 2004 Chin. Phys. 13 1669
[21]	Li J H, Yang W X, Peng J C 2004 Chin. Phys. 13 1694
[22]	Li Y Y, Hou X, Bai J T, Yan J F, Gan C L, Zhang Y P 2008 Chin. Phys. B 17 2885
[23]	Ba N, Gao J W, Tian X X, Wu X, Wu J H 2010 Chin. Phys. B 19 074208
[24]	Zhang L Y, Liu Z D 2005 Acta Phys. Sin. 54 3641 (in Chinese) [张丽英、刘正东 2005 54 3641]
[25]	Drampyan R, Pustelny S, Gawlik W 2009 Phys. Rev. A 80 0338115
[26]	Hang C, Huang G X 2007 Chin. Opt. Lett. 5 47

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