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We study a four-level atomic system controlled by a three-level closed loop subsystem in order to obtain the phase-sensitive probe gain without population inversion. In the case of three-photon resonance, a large steady-state inversionless probe gain can be obtained. Due to the quantum interference effect, the inversionless gain is sensitive to the relative phase of the three-level closed loop subsystem. Further, the field intensity of the three-level closed loop subsystem is also an important parameter that can affect gain characteristic of the probe field.
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Keywords:
- quantum interference /
- phase-dependent effect /
- inversionless gain
[1] Menon S, Agarwal G S 1998 Phys. Rev. A 57 4014
[2] Paspalakis E, Knight P L 1998 Phys. Rev. Lett. 81 293
[3] Paspalakis E, keiter C H, Knight P L 1998 Phys. Rev. A 58 4868
[4] Wu J H, Gao J Y 2002 Phys. Rev. A 65 063807
[5] Wu J H, Gao J Y 2002 J. Opt. Soc. Am. B 19 2863
[6] Kosachiov D V, Matisov B G, Rozhdestvensky Y V 1992 J. Phys. B 25 2473
[7] Shahriar M S, Hemmer H R 1990 Phys. Rev. Lett. 65 1865
[8] Maichen W, Gaggl R, korsunsky E 1995 Europhys. Lett. 31 189
[9] Georgiades N P, Polzik E S, Kimble H J 1996 Opt. Lett. 21 1688
[10] Li G X, Peng J S 1996 Phys. Lett. A 218 49
[11] Unanyan R G, Yatsenko L P, Bergmann K 1997 Opt. Commun. 139 48
[12] Kosachiov D, Matisov B, Rozhdestvensky Y 1993 Europhys. Lett. 22 11
[13] Harris S E 1989 Phys. Rev. Lett. 62 1033
[14] Scully M O, Zhu S Y, Gavrielides A 1989 Phys. Rev. Lett. 62 2813
[15] Agarwal G S, Ravi S, Cooper J 1990 Phys. Rev. A 41 4721
[16] Block V R, Krochik G M 1990 Phys. Rev. A 41 1517
[17] Nottelmann A, Peters C, Lange W 1993 Phys. Rev. Lett. 70 1783
[18] Keitel C H, Kocharovskaya O A, Narducci L M 1993 Phys. Rev. A 48 3196
[19] Zhu Y F 1997 Phys. Rev. A 55 4568
[20] Zhu S Y, Wang D Z, Gao J Y 1997 Phys. Rev. A 55 1339
[21] Gao J Y, Guo C, Guo X Z 1992 Opt. Commun. 93 323
[22] Kleinfeld J A, Streater A D 1994 Phys. Rev. A 49 R4301
[23] Zibrov A S, Lukin M D, Nikonov D E 1995 Phys. Rev. Lett. 75 1499
[24] Sellin P B, Wilson G A, Meduri K K 1996 Phys. Rev. A 54 2402
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[1] Menon S, Agarwal G S 1998 Phys. Rev. A 57 4014
[2] Paspalakis E, Knight P L 1998 Phys. Rev. Lett. 81 293
[3] Paspalakis E, keiter C H, Knight P L 1998 Phys. Rev. A 58 4868
[4] Wu J H, Gao J Y 2002 Phys. Rev. A 65 063807
[5] Wu J H, Gao J Y 2002 J. Opt. Soc. Am. B 19 2863
[6] Kosachiov D V, Matisov B G, Rozhdestvensky Y V 1992 J. Phys. B 25 2473
[7] Shahriar M S, Hemmer H R 1990 Phys. Rev. Lett. 65 1865
[8] Maichen W, Gaggl R, korsunsky E 1995 Europhys. Lett. 31 189
[9] Georgiades N P, Polzik E S, Kimble H J 1996 Opt. Lett. 21 1688
[10] Li G X, Peng J S 1996 Phys. Lett. A 218 49
[11] Unanyan R G, Yatsenko L P, Bergmann K 1997 Opt. Commun. 139 48
[12] Kosachiov D, Matisov B, Rozhdestvensky Y 1993 Europhys. Lett. 22 11
[13] Harris S E 1989 Phys. Rev. Lett. 62 1033
[14] Scully M O, Zhu S Y, Gavrielides A 1989 Phys. Rev. Lett. 62 2813
[15] Agarwal G S, Ravi S, Cooper J 1990 Phys. Rev. A 41 4721
[16] Block V R, Krochik G M 1990 Phys. Rev. A 41 1517
[17] Nottelmann A, Peters C, Lange W 1993 Phys. Rev. Lett. 70 1783
[18] Keitel C H, Kocharovskaya O A, Narducci L M 1993 Phys. Rev. A 48 3196
[19] Zhu Y F 1997 Phys. Rev. A 55 4568
[20] Zhu S Y, Wang D Z, Gao J Y 1997 Phys. Rev. A 55 1339
[21] Gao J Y, Guo C, Guo X Z 1992 Opt. Commun. 93 323
[22] Kleinfeld J A, Streater A D 1994 Phys. Rev. A 49 R4301
[23] Zibrov A S, Lukin M D, Nikonov D E 1995 Phys. Rev. Lett. 75 1499
[24] Sellin P B, Wilson G A, Meduri K K 1996 Phys. Rev. A 54 2402
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