Electromagnetically Induced Left Handedness in Y-type Four Level Atomic System

ZHANG Zhen-qing; LIU Zheng-dong; ZHENG Jun; ZHAO Shun-cai

[1] VESELAGO V G. The electrodynamics of substances with simultaneously negative values of ε and μ［J］. Sov Phys Usp, 1968, 10(4): 509.

[2] PENDRY J B, HOLDEN A J, STEWART W J, et al. Extremely low frequency plasmons in metallic mesostructures y［J］. Phs Rev Lett,1996, 76(25): 4773-4776.

[3] PENDRY J B, HOLDEN A J, ROBBINS D J, et al. Magnetism from conductors and enhanced nonlinear phenomena［J］. IEEE Trans.Microwave Theory Tech, 1999, 47(11): 2075-2084.

[4] PENDRY J B. Negative refraction makes a perfect lens［J］. Phys Rev Lett, 2000, 85(18): 3966-3969.

[5] SHELBY R A, SMITH D R, SCHULTZ S. Experimental verification of a negative index of refraction［J］. Science, 2001, 292(5514): 77-79.

[6] ZHU S Y, SCULLY M O. Spectral line elimination and spontaneous emission cancellation via quantum interference［J］. Phys Rev Lett, 1996, 76(3): 388-391.

[7] FLEISCHHAUER M, LUKIN M D. Dark-State polaritons in electromagnetically induced transparency［J］. Phys Rev Lett, 2000, 84(22): 5094-5097.

[8] ZHANG Li-ying, LIU Zheng-dong, Absorption and dispersion in probe laser in the four-level Y-type atom system［J］. Acta Phys Sin, 2005, 54(8): 3641-3645.

[9] CHEN Jun, LIU Zheng-dong, YOU Su-ping, The hole burning and optical bistability of quasi-Λ-type four-level atom system［J］. Acta Phys Sin, 2006, 55(12): 6410-6413.

[10] OKTEL M O, MUSTECAPLIOGLU O E. Electromagnetically induced left-handedness in a dense gas of three-level atoms［J］. Phys Rev A, 2004, 70(5): 0538060-53813.

[11] THOMMEN Q, MANDEL P. Electromagnetically induced left handedness in optically excited four-level atomic media［J］. Phys Rev Lett, 2006, 96(5): 053601-053605.

[12] ZHANG Hong-jun, GONG Shang-qing, NIU Yue-ping. et al. Negative refractive index in a four-level atomic system［J］. Chin Phys Sin, 2006, 23(7): 1769-1772.

[13] ZENG Fu-hua, LIU Zheng-dong, ZHENG Jun, et al. The left-handedness effect of quantum manipulation in medium［J］. Acta Phys Sin, 2006, 55(4): 6410-6413.

[14] AGARWAL G S, HARSHAWARDHAN W. Inhibition and enhancement of two photon absorption［J］. Phys Rev Lett, 1996, 77(6): 1039-1042.