Cavity electromagnetically induced transparency via spontaneously generated coherence

被引：3
作者：
Tariq, Muhammad [1 ]
Ziauddin [4 ,5 ]
Bano, Tahira [3 ]
Ahmad, Iftikhar [2 ]
Lee, Ray-Kuang [5 ]
机构：
[1] Univ Malakand, Dept Phys, Quantum Lab, Chakdara, Pakistan
[2] AbottAbad Univ Sci & Technol, Mansehra, Pakistan
[3] Hazara Univ, Dept Phys, Mansehra, Pakistan
[4] COMSATS Inst Informat Technol, Dept Phys, Quantum Opt Lab, Islamabad, Pakistan
[5] Natl Tsing Hua Univ, Inst Photon & Technol, Hsinchu, Taiwan
来源：
JOURNAL OF MODERN OPTICS | 2017年 / 64卷 / 17期
关键词：
Cavity EIT; transmission; spontaneously generated coherence; SPONTANEOUS EMISSION CANCELLATION; GROUP-VELOCITY; QUANTUM MEMORIES; ATOMIC VAPOR; LIGHT; STORAGE; PULSES; OPTICS; STATES; MEDIA;
D O I：
10.1080/09500340.2017.1315463
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
A four-level N-type atomic ensemble enclosed in a cavity is revisited to investigate the influence of spontaneous generated coherence (SGC) on transmission features of weak probe light field. A weak probe field is propagating through the cavity where each atom inside the cavity follows four-level N-type atom-field configuration of rubidium (Rb-85) atom. We use input-output theory and study the interaction of atomic ensemble and three cavity fields which are coupled to the same cavity mode. A SGC affects the transmission properties of weak probe light field due to which a transparencywindow (cavity EIT) appears. At resonance condition the transparency window increases with increasing the SGC in the system. We also studied the influence of the SGC on group delay and investigated magnitude enhancement of group delay for the maximum SGC in the system.
引用
收藏
页码：1777 / 1783
页数：7
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