| 准A型四能级原子系统中的烧孔和光学双稳现象 |
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| 引用本文： | 陈峻,刘正东,尤素萍.准A型四能级原子系统中的烧孔和光学双稳现象[J].物理学报,2006,55(12):6410-6413. |
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| 作者姓名： | 陈峻 刘正东 尤素萍 |
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| 作者单位： | [1]南昌大学近代物理研究所,南昌330047 [2]杭州电子科技大学物理系,杭州310018 [3]南昌大学纳米技术工程研究中心,南昌330047 |
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| 基金项目： | 国家自然科学基金（批准号：60278016,10464002）资助的课题, |
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| 摘 要： | 研究了准A型四能级原子与两光场相互作用系统中的量子干涉效应．发现在弱探测场下系统驱动场拉比频率改变时，其色散曲线会呈现出烧孔现象，吸收增益曲线会出现全增益区以及宽而平坦的电磁感应透明窗口．另外，色散曲线随探测场拉比频率相位的演化会呈现出光学双稳态效应．
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| 关 键 词： | 烧孔 光学双稳态 电磁感应透明 量子干涉 |
| 收稿时间： | 01 20 2006 12:00AM |
| 修稿时间： | 2006-01-202006-04-10 |
The hole burning and optical bistability of quasi-A-type four-level atom system |
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| Chen Jun, Liu Zheng-Dong,You Su-Ping,.The hole burning and optical bistability of quasi-A-type four-level atom system[J].Acta Physica Sinica,2006,55(12):6410-6413. |
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| Authors: | Chen Jun Liu Zheng-Dong You Su-Ping |
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| Affiliation: | 1. Institute of Modern Physics, Nanchang University, Nanchang 330047, China ; 2.Department of Physics, Hangzhou Dianzi University, Hangzhou 310018, China; 3. Engineering Research Center for Nanotechnology , Nanchang University, Nanchang 330047, China |
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| Abstract: | In this paper we study the quantum interference effects of a quasi-A-type four-level atom system interacting with two light fields. When the probe field is weak, our calculations show that along with the change of Rabi frequencies of the driving field, the system appears to be hole burning in the dispersion curve, and two big electromagnetic induced transparency windows with approximately the same width are demonstrated. In addition, the evolution of dispersion with the Rabi phase of probe field shows optical bistability. |
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| Keywords: | hole burning optical bistability electromagnetic induced transparency quantum interference |
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