Two-dimensional atom localization via two standing-wave fields in a four-level atomic system

被引：15
|
作者：
Zhang, Hong-Tao [1 ]
Wang, Hui [1 ]
Wang, Zhi-Ping [2 ]
机构：
[1] Anhui Univ Sci & Technol, Sch Sci, Huainan 232001, Peoples R China
[2] Anhui Univ, Key Lab Optoelect Informat Acquisit & Manipulat, Minist Educ, Hefei 230601, Peoples R China
来源：
PHYSICA SCRIPTA | 2011年 / 84卷 / 06期
关键词：
ELECTROMAGNETICALLY INDUCED TRANSPARENCY; DOUBLE-DARK RESONANCES; ABSORPTION-SPECTRUM; QUANTUM INTERFERENCE; OPTICAL BISTABILITY; RUBIDIUM ATOMS; TRIPOD SYSTEM; MULTISTABILITY; INVERSION; COHERENCE;
D O I：
10.1088/0031-8949/84/06/065402
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
We propose a scheme for the two-dimensional (2D) localization of an atom in a four-level Y-type atomic system. By applying two orthogonal standing-wave fields, the atoms can be localized at some special positions, leading to the formation of sub-wavelength 2D periodic spatial distributions. The localization peak position and number as well as the conditional position probability can be controlled by the intensities and detunings of optical fields.
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页数：5
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