[1] Boller K J, Imamolu A, Harris S E 1991 Phys. Rev. Lett. 66 2593
[2] Hopkins S A, Usadi E, Chen H X, Durrant A V 1997 Opt. Commun. 138 185
[3] Jiao Y C, Han X X, Yang Z W, Zhao J M, Jia S T 2016 Chin. Phys. Lett. 33 123201
[4] Zhao Y, Wu C K, Ham B S, Kim M K, Awad E 1997 Phys. Rev. Lett. 79 641
[5] Schmidy H, Imamoglu A 1996 Opt. Commun. 131 333
[6] Tan C H, Huang G X 2014 J. Opt. Soc. Am. 31 704
[7] Fleischhauer M, Lukin M D 2000 Phys. Rev. Lett. 84 5094
[8] Fleischhauer M, Lukin M D 2002 Phys. Rev. A 65 022314
[9] Lukin M D, Yelin S F, Fleischhauer M 2000 Phys. Rev. Lett. 84 4232
[10] Liu C, Dutton Z, Behroozi C H, Hau L V 2001 Nature 409 490
[11] Phillips D F, Fleischhauer A, Mair A, Walsworth R L, Lukin M D 2001 Phys. Rev. Lett. 86 783
[12] Jurgen A, Eden F, Korystov D, Lobino M, Lvovsky A I 2008 Phys. Rev. Lett. 100 093602
[13] Honda K, Akamatsu D, Arikawa M, Yokoi Y, Akiba K, Nagatsuka S, Tanimura T, Furusawa A, Kozuma M 2008 Phys. Rev. Lett. 100 093601
[14] Degen C L, Reinhard F, Cappellaro P 2017 Rev. Mod. Phys. 89 035002
[15] Yan L Y, Liu J S, Zhang H, Zhang L J, Xiao L T, Jia S T 2017 Acta Phys. Sin. 66 243201 (in Chinese)[闫丽云, 刘家晟, 张好, 张临杰, 肖连团, 贾锁堂 2017 物理学报 66 243201]
[16] Kumar S, Fan H, Kbler H, Sheng J, Shaffer J P 2017 Sci. Rep. 7 42981
[17] Hsu M T L, Hetet G, Glockl O, Longdell J J, Buchler B C, Bachor H A, Lam P K 2006 Phys. Rev. Lett. 97 183601
[18] Zhang J X, Cai J, Bai Y F, Gao J R, Zhu S Y 2007 Phys. Rev. A 76 033814
[19] Xiao Y H, Wang T, Baryakhtar M, Camp M, Crescimanno M, Hohensee M, Jiang L, Phillips D F, Lukin M D, Yelin S F, Walsworth R L 2009 Phys. Rev. A 80 041805
[20] Li Y, Cai D H, Ma R, Dan W, Gao J R, Zhang J X 2012 Appl. Phys. B 109 189
[21] Li Z H, Li Y, Dou Y F, Zhang J X 2012 Chin. Phys. B 21 034204
[22] Weller D, Urvoy A, Rico A, Löw R, Kbler H 2016 Phys. Rev. A 94 063820