文献类型：期刊文献

英文题名：Double-EIT laser cooling via amplitude and phase control of a microwave field

作者：Huang, Ting[1];Qi, Yihong[1];Zhou, Fengxue[1];Niu, Yueping[1];Gong, Shangqing[1]

机构：[1]E China Univ Sci & Technol, Dept Phys, Shanghai 200237, Peoples R China

年份：2016

卷号：127

期号：5

起止页码：2978

外文期刊名：OPTIK

收录：;EI(收录号：20160902007044);WOS:【SCI-EXPANDED(收录号:WOS:000369207700106)】；

基金：This work was funded by the National Natural Science Foundation of China (Grant Nos. 11474092, 11274112), and the Fundamental Research Funds for the Central Universities (Grant No. WM1313003).

语种：英文

外文关键词：Double-EIT laser cooling; Amplitude and phase control; Microwave field

摘要：We consider the ground state cooling of a trapped four-level tripod atom which is phase-dependent double electromagnetically induced transparency (EIT) structure. We investigate the different effects of the phase adjustment under the weak and the strong microwave field conditions. In comparison with the situation of the double-EIT ground state cooling without microwave field, it is shown that the rate of ground-state cooling can be controlled via the amplitude and phase of the microwave field. With the phase being chosen as zero, the optimal cooling efficiency can be achieved. In this case, the cooling effect dominates the cooling procedure in the whole frequency range. We use the dressed-state model to explain the results. (C) 2015 Elsevier GmbH. All rights reserved.