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Theoretical and experimental studies of stimulated Raman spectrum with the D1 line of an 85Rb atomic vapor system are performed. In this Λ-type system, we discover that the influence of the pump on the probe field includes two parts: stimulated Raman excitation and optical pumping. Depending on the pump frequency detuning and field intensity conditions, the Raman spectrum can display either gain or loss. When the optically pumped absorption spectrum is taken as background, either a narrow transparent window or an absorption doublet with widely different linewidths appears. Our theoretical analysis agrees well with our experimental observations. Based on these studies, we present an interpretation from a new viewpoint of the physics of electromagnetically induced transparency (with on-resonance pumping) and Autler-Townes splitting (with far off-resonance pumping) in a Λ-type level atomic system, giving the relationship between these two important phenomena and the Raman spectrum.
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Keywords:
- stimulated Raman spectrum /
- optical pumping /
- electromagnetically induced transparency /
- absorption doublet
[1] Boller K J, Imamoglu A, Harris S E 1991 Phys. Rev. Lett. 66 2593
[2] Harris S E, Field J E, Imamoglu A 1990 Phys. Rev. Lett. 64 1107
[3] Hau L V, Harris S E, Dutton Z, Behroozi C 1999 Nature 397 594
[4] Liu C, Dutton Z, Behroozi C H, Hau L V 2001 Nature 409 490
[5] Phillips D F, Fleischhauer A, Mair A, Walsworth R L, Lukin M D 2001 Phys. Rev. Lett. 86 783
[6] Boyer V, McCormick C F, Arimondo E, Lett P D 2007 Phys. Rev. Lett. 99 143601
[7] Boyer V, Marino A M, Pooser R C, Lett P D 2008 Science 321 544
[8] van der Wal C H, Eisaman M D, André A, Walsworth R L, Phillips D F, Zibrov A S, Lukin M D 2003 Science 301 196
[9] Kuzmich A, Bowen W P, Boozer A D, Boca A, Chou C W, Duan L M, Kimble H J 2003 Nature 423 731
[10] Jain M, Xia H, Yin G Y, Merriam A J, Harris S E 1996 Phys. Rev. Lett. 77 4326
[11] Yavuz D D, Walker D R, Shverdin M Y, Yin G Y, Harris S E 2003 Phys. Rev. Lett. 91 233602
[12] Harada K, Kanbashi T, Mitsunaga M 2006 Phys. Rev. A 73 013807
[13] Li Y Q, Xiao M 1995 Phys. Rev. A 51 R2703
[14] Rapol U D, Wasan A, Natarajan V 2003 Phys. Rev. A 67 053802
[15] Zhu Y F, Wasserlauf T N 1996 Phys. Rev. A 54 3653
[16] Vemuri G, Agarwal G S, Rao B D N 1996 Phys. Rev. A 53 2842
[17] Javan A, Kocharovskaya O, Lee H, Scully M O 2002 Phys. Rev. A 66 013805
[18] Phillips D F, Fleischhauer A, Mair A, Walsworth R L, Lukin M D 2001 Phys. Rev. Lett. 86 783
[19] Zhao B, Chen Y A, Bao X H, Strassel T, Chuu C S, Jin X M, Schmiedmayer J, Yuan Z S, Chen S, Pan J W 2009 Nat. Phys. 5 95
[20] Zhao R, Dudin Y O, Jenkins S D, Campbell C J, Matsukevich D N, Kennedy T A B, Kuzmich A 2009 Nat. Phys. 5 100
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[1] Boller K J, Imamoglu A, Harris S E 1991 Phys. Rev. Lett. 66 2593
[2] Harris S E, Field J E, Imamoglu A 1990 Phys. Rev. Lett. 64 1107
[3] Hau L V, Harris S E, Dutton Z, Behroozi C 1999 Nature 397 594
[4] Liu C, Dutton Z, Behroozi C H, Hau L V 2001 Nature 409 490
[5] Phillips D F, Fleischhauer A, Mair A, Walsworth R L, Lukin M D 2001 Phys. Rev. Lett. 86 783
[6] Boyer V, McCormick C F, Arimondo E, Lett P D 2007 Phys. Rev. Lett. 99 143601
[7] Boyer V, Marino A M, Pooser R C, Lett P D 2008 Science 321 544
[8] van der Wal C H, Eisaman M D, André A, Walsworth R L, Phillips D F, Zibrov A S, Lukin M D 2003 Science 301 196
[9] Kuzmich A, Bowen W P, Boozer A D, Boca A, Chou C W, Duan L M, Kimble H J 2003 Nature 423 731
[10] Jain M, Xia H, Yin G Y, Merriam A J, Harris S E 1996 Phys. Rev. Lett. 77 4326
[11] Yavuz D D, Walker D R, Shverdin M Y, Yin G Y, Harris S E 2003 Phys. Rev. Lett. 91 233602
[12] Harada K, Kanbashi T, Mitsunaga M 2006 Phys. Rev. A 73 013807
[13] Li Y Q, Xiao M 1995 Phys. Rev. A 51 R2703
[14] Rapol U D, Wasan A, Natarajan V 2003 Phys. Rev. A 67 053802
[15] Zhu Y F, Wasserlauf T N 1996 Phys. Rev. A 54 3653
[16] Vemuri G, Agarwal G S, Rao B D N 1996 Phys. Rev. A 53 2842
[17] Javan A, Kocharovskaya O, Lee H, Scully M O 2002 Phys. Rev. A 66 013805
[18] Phillips D F, Fleischhauer A, Mair A, Walsworth R L, Lukin M D 2001 Phys. Rev. Lett. 86 783
[19] Zhao B, Chen Y A, Bao X H, Strassel T, Chuu C S, Jin X M, Schmiedmayer J, Yuan Z S, Chen S, Pan J W 2009 Nat. Phys. 5 95
[20] Zhao R, Dudin Y O, Jenkins S D, Campbell C J, Matsukevich D N, Kennedy T A B, Kuzmich A 2009 Nat. Phys. 5 100
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