Strong Coherent Light Amplification with Double Electromagnetically Induced Transparency Coherences

被引:17
|
作者
Wang, Dan [1 ,2 ,3 ]
Liu, Chao [2 ,3 ]
Xiao, Changshun [2 ,3 ]
Zhang, Junxiang [1 ,3 ]
Alotaibi, Hessa M. M. [4 ]
Sanders, Barry C. [5 ,6 ,7 ,8 ,9 ]
Wang, Li-Gang [1 ]
Zhu, Shiyao [1 ,10 ]
机构
[1] Zhejiang Univ, Dept Phys, Hangzhou 310027, Zhejiang, Peoples R China
[2] Shanxi Univ, Coll Phys & Elect Engn, Taiyuan 030006, Shanxi, Peoples R China
[3] Shanxi Univ, Collaborat Innovat Ctr Extreme Opt, Taiyuan 030006, Shanxi, Peoples R China
[4] Publ Author Appl Educ & Training, POB 23167, Safat 13092, Kuwait
[5] Univ Sci & Technol China, Hefei Natl Lab Phys Sci Microscale, Hefei 230026, Anhui, Peoples R China
[6] Univ Sci & Technol China, Shanghai Branch, CAS Ctr Excellence, Shanghai 201315, Peoples R China
[7] Univ Sci & Technol China, Synerget Innovat Ctr Quantum Informat & Quantum P, Shanghai 201315, Peoples R China
[8] Univ Calgary, Inst Quantum Sci & Technol, 2500 Univ Dr NW, Calgary, AB T2N 1N4, Canada
[9] Canadian Inst Adv Res, Program Quantum Informat Sci, Toronto, ON M5G 1M1, Canada
[10] Beijing Computat Sci Res Ctr, Beijing 100084, Peoples R China
来源
SCIENTIFIC REPORTS | 2017年 / 7卷
基金
中国国家自然科学基金;
关键词
QUANTUM INTERFERENCE; REDUCED ABSORPTION; INVERSION; LASERS; SYSTEM; FIELD; GENERATION;
D O I
10.1038/s41598-017-06266-0
中图分类号
O [数理科学和化学]; P [天文学、地球科学]; Q [生物科学]; N [自然科学总论];
学科分类号
07 ; 0710 ; 09 ;
摘要
We experimentally demonstrate coherent amplification of probe field in a tripod-type atoms driven by strong coupling, signal and weak probe fields. We suppress linear and nonlinear atomic absorptions for resonant and near resonant probe via double electromagnetically induced transparency (DEIT). Combining these advantages of suppressed absorption along with temperature- or atomic-densitycontrolled transfer of population(ToP) between hyperfine ground states, we can induce near-resonant amplification of probe through stimulated Raman scattering(SRS) pumped by low-intensity signal field. The increased population difference of initial and final states of SRS due to increased ToP rate, together with reduced absorption at the second EIT window in an optically thick Cesium vapor, gives rise to highly effective coherent amplification.
引用
收藏
页数:8
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