[1] GOZZINI S,CARTALEVA S,LUCCHESINI A,et.al.Coherent population trapping and strong on the D1 line of potassium［J］.European Physical Journal D, 2009,53(2):153-161.

[2] SOKOLOV A V,MATVEEV A N,SAMOKOTIN A Y,et al.Coherent population trapping resonances in the prescence of the frequency-phase noises of an exciting filed［J］.Quantum Electronics, 2009,39(5):449-454.

[3] HAU L V,HARRIS S E,DUTTON Z,BEHROOZI C H.Light speed reduction to17 metres per second in an ultracold atomic gas［J］.Nature,1999,39:594-598.

[4] FLEISCHHAUER M,IMAMOGLU A,MARANGOS J P,Electromagnetically induced transparency［J］.Rev Mod Phys,2005,77:633.

[5] LI Fu-li,Xiong Han,ZUBAIRY M S.Coherence-induced entanglement［J］. Phys Rev A, 2005,72:010303.

[6] THOMMEN Q,MANDEL P.Electromagnetically induced left-handedness optically excited four level atomic media［J］.Phys Rev Lett,2006,96:053601.

[7] SCHWINDT P D D,KNAPPE S,SHAH V,et al.Chip-scale atomic magnetometer［J］.Appl Phys Lett,2004,85:6409.

[8] WANG Hai,GOORSKEY D,XIAO Min.Enhanced Kerr nonlinearity via atomic coherence in a three-level atomic system［J］.Phys Rev Lett,2001,87:073601.

[9] LIU C,DUTTON Z,BEHROOZI C H,et al.Observation of coherent optical information storage in an atomic medium using halted light pulses［J］.Nature,2001,409:490-493.

[10] VAN der WAL C H,EISAMAN M D,ANDRE A R L,et al.Atomic memory for correlated photon states［J］.Science,2003,301:196.

[11] DUTTON Z,HAU L V.Storing and processing optical information with ultraslow light in Bose-Einstein condensates［J］.Phys Rev A,2004,70:053831.

[12] KANG H,HERNANDEZ G,ZHU Yi-fu.Slow-light six-wave mixing at low light intensities［J］.Phys Rev Lett, 2004,93:073601.

[13] WANG Fei,ZHENG Yang-dong,LI Chun-fei.Analysis of the characteristics of all-optical switch basesd on the SPM and XPM［J］.Acta Photonica Sinica,2009,38:790-795.

[14] SUMANTA D,AGARWAL G S.Photon-photon correlations as a probe of vacuum-induced coherence effect［J］.Phys Rev A, 2008,77:033850.

[15] ZHANG Li-ying,LIU Zheng-dong.The absorption and dispersion to the probe in the Y-type four-level atom system［J］.Acta Phys Sin,2005,54:3641-3645.

[16] CHEN Jun,LIU Zheng-dong,YOU Su-ping.The hole burning and optical bistability of quasi-Λ-type four-level atom system［J］.Acta Physica Sinica,2006,55:6410-6414.

[17] ZHENG Jun,LIU Zheng-dong,ZENG Fu-hua,et al.Left-handedness in a inverted Y-type four-level atomic system［J］.Acta Physica Sinica,2008,57(7):4219-4223.

[18] XU Wei-hua,GAO Jin-yue.Absorption mechanism in a four-level system［J］.Phys Rev A,2003,67:033816.

[19] LI Gao-xiang,LI Fu-li,ZHU Shi-yao.Quantum interference between decay channels of a three-level atom in a multilayer dielectric medium［J］.Phys Rev A,2001,64:013819.

[20] OTTAVIANI C,REBIC S,VITALI D,et al.Cross phase modulation in a five–level atomic medium:Semiclassical theory［J］.arXiv:physics/0510200 v2(2006).