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We study the optical bistability (OB) in an active Raman gain atomic medium by means of a unidirectional ring cavity. The system considered is a resonant n-type four-level atomic ensemble, which can be realized at room temperature and not only have a lot of tunable parameters, such as detuning, atomic concentration, pump and control field, but also possess gain-free (or little gain) transparent windows. We discuss the conditions and the range of these parameters for realizing OB, and also the condition for realizing optical multistability. Our results will provide the theoretical basis for experimental realization.
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Keywords:
- active Raman gain /
- optical bistability /
- n-type atomic medium
[1] Szoke A, Daneu V, Goldhar J, Kurnit N 1969 Appl. Phys. Lett. 15 376
[2] Lugiato L A 1984 Optical bistability, edited by Wolf E in Progress in Optics (North-Holland:Amsterdam) 21 71
[3] Qian S X, Wang G M 2001 Nonlinear Optics-The Principles and Progresses (Shanghai: Fudan University Press) p303 (in Chinese) [钱士雄, 王恭明 2001 非线性光学-原理与进展(上海:复旦大学出版社) 第303页]
[4] Li C F 2010 The Principles of All-Optical Switching (Beijing: Science Press) p47 (in Chinese) [李淳飞 2010 全光开关原理 (北京:科学出版社) 第47页]
[5] Harshawardhan W, Agarwal G S 1996 Phys. Rev. A 53 1812
[6] Chen Z, Du C, Gong S, Xu Z 1999 Phys. Lett. A 259 15
[7] Wang H, Goorskey, Xiao M 2002 Opt. Lett. 27 1354
[8] Chang H, Wu H, Xie C, Wang H 2004 Phys. Rev. Lett. 93 213901
[9] Li J 2007 Phys. Rev. B 75 155329
[10] Zhang J M, Cui F C, Zhou D L, Liu W M 2009 Phys. Rev. A 79 033401
[11] Wang Z P, Xu M C 2009 Opt. Commun. 282 1574
[12] Hu X M, Zhang L A, Zhang X H, Kong L F 2010 J. Opt. B: At. Mol. Opt. Phys. 43 185502
[13] Wu J, Lu X Y, Zheng L L 2010 J. Phys. B: At. Mol. Opt. Phys. 43 161003
[14] Peng Y D, Niu Y P, Cui N, Gong S Q 2011 Opt. Commun. 284 824
[15] Harris S E, Field J E, Imanoglu A 1990 Phys. Rev. Lett. 64 1107
[16] Harris S E 1997 Phys. Today 50 36
[17] Huang G X, Hang C, Zhu C J 2011 Acta Optica Sinica 31 0900133(in Chinese) [黄国翔, 杭超, 朱成杰 2011光学学报 31 0900133]
[18] Wang L J, Kuzmich A, Pogariu 2000 Nature 406 277
[19] Deng L, Payne M G 2007 Phys. Rev. Lett. 98 253902
[20] Hang C, Guo X H 2010 Opt. Express 18 2952
[21] Li H, Dong L W, Hang C, Huang G X 2011 Phys. Rev. A 83 023816
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[1] Szoke A, Daneu V, Goldhar J, Kurnit N 1969 Appl. Phys. Lett. 15 376
[2] Lugiato L A 1984 Optical bistability, edited by Wolf E in Progress in Optics (North-Holland:Amsterdam) 21 71
[3] Qian S X, Wang G M 2001 Nonlinear Optics-The Principles and Progresses (Shanghai: Fudan University Press) p303 (in Chinese) [钱士雄, 王恭明 2001 非线性光学-原理与进展(上海:复旦大学出版社) 第303页]
[4] Li C F 2010 The Principles of All-Optical Switching (Beijing: Science Press) p47 (in Chinese) [李淳飞 2010 全光开关原理 (北京:科学出版社) 第47页]
[5] Harshawardhan W, Agarwal G S 1996 Phys. Rev. A 53 1812
[6] Chen Z, Du C, Gong S, Xu Z 1999 Phys. Lett. A 259 15
[7] Wang H, Goorskey, Xiao M 2002 Opt. Lett. 27 1354
[8] Chang H, Wu H, Xie C, Wang H 2004 Phys. Rev. Lett. 93 213901
[9] Li J 2007 Phys. Rev. B 75 155329
[10] Zhang J M, Cui F C, Zhou D L, Liu W M 2009 Phys. Rev. A 79 033401
[11] Wang Z P, Xu M C 2009 Opt. Commun. 282 1574
[12] Hu X M, Zhang L A, Zhang X H, Kong L F 2010 J. Opt. B: At. Mol. Opt. Phys. 43 185502
[13] Wu J, Lu X Y, Zheng L L 2010 J. Phys. B: At. Mol. Opt. Phys. 43 161003
[14] Peng Y D, Niu Y P, Cui N, Gong S Q 2011 Opt. Commun. 284 824
[15] Harris S E, Field J E, Imanoglu A 1990 Phys. Rev. Lett. 64 1107
[16] Harris S E 1997 Phys. Today 50 36
[17] Huang G X, Hang C, Zhu C J 2011 Acta Optica Sinica 31 0900133(in Chinese) [黄国翔, 杭超, 朱成杰 2011光学学报 31 0900133]
[18] Wang L J, Kuzmich A, Pogariu 2000 Nature 406 277
[19] Deng L, Payne M G 2007 Phys. Rev. Lett. 98 253902
[20] Hang C, Guo X H 2010 Opt. Express 18 2952
[21] Li H, Dong L W, Hang C, Huang G X 2011 Phys. Rev. A 83 023816
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