Two-dimensional atom localization via probe absorption in a four-level atomic system

被引：2
|
作者：
Wang Zhi-Ping [1 ]
Ge Qiang [1 ,2 ]
Ruan Yu-Hua [1 ]
Yu Ben-Li [1 ]
机构：
[1] Anhui Univ, Minist Educ, Key Lab Optoelect Informat Acquisit & Manipulat, Hefei 230601, Peoples R China
[2] Anhui Polytech Univ, Sch Math & Phys, Wuhu 241000, Peoples R China
来源：
CHINESE PHYSICS B | 2013年 / 22卷 / 07期
基金：
中国国家自然科学基金;
关键词：
two-dimensional (2D) atom localization; probe absorption; four-level atomic system; ELECTROMAGNETICALLY INDUCED TRANSPARENCY; CONTROLLED SPONTANEOUS EMISSION; DOUBLE-DARK RESONANCES; TRIPOD SYSTEM; INTERFERENCE; WAVELENGTH; INVERSION; SPECTRUM;
D O I：
10.1088/1674-1056/22/7/074203
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
We have investigated the two-dimensional (2D) atom localization via probe absorption in a coherently driven four-level atomic system by means of a radio-frequency field driving a hyperfine transition. It is found that the detecting probability and precision of 2D atom localization can be significantly improved via adjusting the system parameters. As a result, our scheme may be helpful in laser cooling or the atom nano-lithography via atom localization.
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页数：6
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