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Two resonant radio frequency fields are added to lambda three-level system in this paper. By discussing the behaviors of probing field absorption profiles under the effect of different Rabi frequencies of two radio frequency fields, the splitting of electromagnetically induced transparency (EIT) can be seen and the overlapping between EIT and gain can be obtained. The results show that the two radio frequency fields have different control functions on the system. The radio frequency field which interacts with hyperfine levels of ground state plays a role in the splitting of EIT, but the radio frequency field which interacts with hyperfine levels of excited state does not work on it. In addition only when the Rabi frequency of radio frequency field interacting with hyperfine levels of ground state is greater than with hyperfine levels of excited state, can the new features about the overlapping between EIT and gain be obtained.
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Keywords:
- radio frequency field /
- electromagnetically induced transparency /
- gain /
- hyperfine levels
[1] Yannopapas V, Paspalakis E, Vitanov N V 2009 Phys. Rev. B 80 035104
[2] Wu M C, Liu W C 2011 Comput. Phys. Commun. 182 143
[3] Wang J 2010 Phys. Rev. A 81 033841
[4] Woods D, Naughton T J 2009 Appl. Math. Comput. 215 1417
[5] Wang Z P, Xu M C 2009 Opt. Commun. 282 1574
[6] Iftiquar S M 2008 Opt. Commun. 281 4951
[7] Fountoulakis A, Terzis A F, Paspalakis E 2010 Phys. Lett. A 374 3354
[8] Zhuo Z C, Su X M, Zhang Y S 2005 Phys. Lett. A 336 25
[9] Deng W W, Wu S P, Li G X 2012 Opt. Commun. 285 2668
[10] Jin X R, Lu Y H, Zheng H Y, Lee Y P, Rhee J Y, Kim K W, Jang W H 2011 Opt. Commun. 284 4766
[11] Wang Z L, Zheng G S, Wang S Q, Qin Q S, Zhou H L, Zhang J C 2012 Acta Phys. Sin. 61 127805 (in Chinese) [王治龙, 郑贵森, 王世钦, 秦青松, 周宏亮, 张加驰 2012 61 127805]
[12] Qin Q S, Ma X L, Shao Y, Yang X Y, Sheng H F, Yang J Z, Yin Y, Zhang J C 2012 Acta Phys. Sin. 61 097804 (in Chinese) [秦青松, 马新龙, 邵宇, 杨星瑜, 盛鸿飞, 杨靖忠, 尹瑶, 张加驰 2012 61 097804]
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[1] Yannopapas V, Paspalakis E, Vitanov N V 2009 Phys. Rev. B 80 035104
[2] Wu M C, Liu W C 2011 Comput. Phys. Commun. 182 143
[3] Wang J 2010 Phys. Rev. A 81 033841
[4] Woods D, Naughton T J 2009 Appl. Math. Comput. 215 1417
[5] Wang Z P, Xu M C 2009 Opt. Commun. 282 1574
[6] Iftiquar S M 2008 Opt. Commun. 281 4951
[7] Fountoulakis A, Terzis A F, Paspalakis E 2010 Phys. Lett. A 374 3354
[8] Zhuo Z C, Su X M, Zhang Y S 2005 Phys. Lett. A 336 25
[9] Deng W W, Wu S P, Li G X 2012 Opt. Commun. 285 2668
[10] Jin X R, Lu Y H, Zheng H Y, Lee Y P, Rhee J Y, Kim K W, Jang W H 2011 Opt. Commun. 284 4766
[11] Wang Z L, Zheng G S, Wang S Q, Qin Q S, Zhou H L, Zhang J C 2012 Acta Phys. Sin. 61 127805 (in Chinese) [王治龙, 郑贵森, 王世钦, 秦青松, 周宏亮, 张加驰 2012 61 127805]
[12] Qin Q S, Ma X L, Shao Y, Yang X Y, Sheng H F, Yang J Z, Yin Y, Zhang J C 2012 Acta Phys. Sin. 61 097804 (in Chinese) [秦青松, 马新龙, 邵宇, 杨星瑜, 盛鸿飞, 杨靖忠, 尹瑶, 张加驰 2012 61 097804]
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