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

doi:10.1088/1674-1056/22/7/074203

Abstract 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.

Keywords: two-dimensional (2D) atom localization probe absorption four-level atomic system

Received: 05 September 2012
Revised: 21 November 2012
Accepted manuscript online:

PACS:

42.50.Gy

(Effects of atomic coherence on propagation, absorption, and Amplification of light; electromagnetically induced transparency and Absorption)

Fund: Project supported by the National Natural Science Foundation of China (Grant No. 11205001), the National Basic Research Program of China (Grant No. 2010CB234607), and the Postdoctoral Science Foundation of Anhui University, China.

Corresponding Authors: Wang Zhi-Ping
E-mail: zhipwang@126.com

Cite this article:

Wang Zhi-Ping (王志平), Ge Qiang (葛强), Ruan Yu-Hua (阮于华), Yu Ben-Li (俞本立) Two-dimensional atom localization via probe absorption in a four-level atomic system 2013 Chin. Phys. B 22 074203

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