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We present a method to control the electromagnetically induced transparency (EIT) in a four-level system with a coupling field, a weak probe field and two microwave driven fields. By sloving the density matrix equations, the numerious result is obtained. It is shown that the EIT resonance can be split into doublets and the spectral position of EIT window is determined by the relative phase between two microwave fields for fixed intensity of the microwave field. Therefore, the microwave field can be used to open more than one EIT window and by controlling their phase difference we can perform EIT frequency tuning. The structure in the spectrum can be explained using the dressed-state formalism.
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Keywords:
- four-level system /
- EIT /
- phase /
- microwave field
[1] Harris S E, Field J E, Imamog lu A 1990 Phys. Rev. Lett. 64 1107
[2] Javan A, Kocharivskaya O, Li H W 2002 Phys. Rev. A 66 013805
[3] Ye C Y, Zibrov A S 2002 Phys. Rev. A 65 023806
[4] Wielandy S, Gaeta A L 1997 Phys. Rev. A 58 3
[5] Hu Z F, Deng J L, Wang Y Z 2008 Chin. Phys. B 17 3359
[6] Guo G C, Xiao S, Shi B S, Wang F Y 2009 Chin. Phys. B 18 1798
[7] Yelin S F, Sautenkov V A, Kash M M, Welch G R, Lukin M D 2003 Phys. Rev. A 68 063801
[8] Lukin M D, Yelin S F, Fleischhauer M, Scully M O 1999 Phys. Rev. A 60 3225
[9] Ye C Y, Zibrov Z S, Rostovtsev Y V, Scully M O 2002 Phys. Rev. A 65 043805
[10] Chen Y C, Liao Y A, Chiu H Y, Su J J, Yu I A 2001 Phys. Rev. A 64 053806
[11] Hu Z F, Ma Y S, Deng J L, He H J, Wang Y Z 2009 Chin. Phys. B 18 199
[12] Yang L J, Zhang L S, Zhuang Z H, Guo Q L, Fu G S 2008 Chin. Phys. B 17 2147
[13] Wei C J, Manson N B1999 Phys. Rev. A 60 2540
[14] Yang L J, Zhang L S, Li X L, Han L, Fu G S, Manson N B, Suter D, Wei C J 2005 Phys. Rev. A 72 053801
[15] Wilson E A, Manson N B, Wei C J, Yang L J 2005 Phys. Rev. A 72 063813
[16] Yang L J, Zhang L S, Li X L, Li X W, Guo Q L, Han L, Fu G S 2006 Acta Phys. Sin. 55 5206 (in Chinese) [杨丽君、张连水、李晓莉、李晓苇、郭庆林、韩 理、傅广生 2006 55 5206]
[17] Wu J H, Gao J Y 2002 Phys. Rev. A 65 063807
[18] Joshi A 2009 Phys. Rev. B 79 115315
[19] Xu W H, WU J H, Gao J Y 2007 Chin. Phys. 16 441
[20] Cui N, Fan X J, Li A Y, Liu C P, Gong S Q, Xu Z Z 2007 Chin. Phys. 16 718
[21] Korsunsky E A, Leinfellner N, Huss A, Baluschev S, Windholz L 1999 Phys. Rev. A 59 2302
[22] Li H B, Sautenkov V A, Rostovtsev Y V, Welch G R, Hemmer P R, Scully M O 2009 Phys. Rev. A 80 023820
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[1] Harris S E, Field J E, Imamog lu A 1990 Phys. Rev. Lett. 64 1107
[2] Javan A, Kocharivskaya O, Li H W 2002 Phys. Rev. A 66 013805
[3] Ye C Y, Zibrov A S 2002 Phys. Rev. A 65 023806
[4] Wielandy S, Gaeta A L 1997 Phys. Rev. A 58 3
[5] Hu Z F, Deng J L, Wang Y Z 2008 Chin. Phys. B 17 3359
[6] Guo G C, Xiao S, Shi B S, Wang F Y 2009 Chin. Phys. B 18 1798
[7] Yelin S F, Sautenkov V A, Kash M M, Welch G R, Lukin M D 2003 Phys. Rev. A 68 063801
[8] Lukin M D, Yelin S F, Fleischhauer M, Scully M O 1999 Phys. Rev. A 60 3225
[9] Ye C Y, Zibrov Z S, Rostovtsev Y V, Scully M O 2002 Phys. Rev. A 65 043805
[10] Chen Y C, Liao Y A, Chiu H Y, Su J J, Yu I A 2001 Phys. Rev. A 64 053806
[11] Hu Z F, Ma Y S, Deng J L, He H J, Wang Y Z 2009 Chin. Phys. B 18 199
[12] Yang L J, Zhang L S, Zhuang Z H, Guo Q L, Fu G S 2008 Chin. Phys. B 17 2147
[13] Wei C J, Manson N B1999 Phys. Rev. A 60 2540
[14] Yang L J, Zhang L S, Li X L, Han L, Fu G S, Manson N B, Suter D, Wei C J 2005 Phys. Rev. A 72 053801
[15] Wilson E A, Manson N B, Wei C J, Yang L J 2005 Phys. Rev. A 72 063813
[16] Yang L J, Zhang L S, Li X L, Li X W, Guo Q L, Han L, Fu G S 2006 Acta Phys. Sin. 55 5206 (in Chinese) [杨丽君、张连水、李晓莉、李晓苇、郭庆林、韩 理、傅广生 2006 55 5206]
[17] Wu J H, Gao J Y 2002 Phys. Rev. A 65 063807
[18] Joshi A 2009 Phys. Rev. B 79 115315
[19] Xu W H, WU J H, Gao J Y 2007 Chin. Phys. 16 441
[20] Cui N, Fan X J, Li A Y, Liu C P, Gong S Q, Xu Z Z 2007 Chin. Phys. 16 718
[21] Korsunsky E A, Leinfellner N, Huss A, Baluschev S, Windholz L 1999 Phys. Rev. A 59 2302
[22] Li H B, Sautenkov V A, Rostovtsev Y V, Welch G R, Hemmer P R, Scully M O 2009 Phys. Rev. A 80 023820
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