文献类型：期刊文献

中文题名：Selective preparation of the maximum coherent superposition state in four-level atoms

英文题名：Selective preparation of the maximum coherent superposition state in four-level atoms

作者：Deng, Li[2,3];Niu, Yueping[1,2];Gong, Shangqing[1,2]

机构：[1]E China Univ Sci & Technol, Dept Phys, Shanghai 200237, Peoples R China;[2]Chinese Acad Sci, Shanghai Inst Opt & Fine Mech, State Key Lab High Field Laser Phys, Shanghai 201800, Peoples R China;[3]Chinese Acad Sci, Grad Univ, Beijing 100049, Peoples R China

年份：2011

卷号：9

期号：11

中文期刊名：Chinese Optics Letters

外文期刊名：CHINESE OPTICS LETTERS

收录：CSTPCD;;EI(收录号：20114914584739);Scopus;WOS:【SCI-EXPANDED(收录号:WOS:000296894000023)】；CSCD:【CSCD2011_2012】；PubMed;

基金：This work was supported by the National Natural Science Foundation of China (Nos. 10874194 and 60978013). and the Shanghai Commission of Science and Technology (No. 10530704800)

语种：英文

中文关键词：Optics;Physics

外文关键词：Atoms

摘要：We demonstrate that the maximum coherent superposition state can be selectively prepared using a sequence of pulse pairs in lambda-type atomic systems,with the final level as a doublet.In each pair,the Stocks pulse comes before the pump pulse,with their back edges overlapping.Numerical results indicate that by tuning the interval of the adjacent pulse pairs,the selective maximum coherent superposition state preparation between the initial and one of the final levels can be achieved.The phenomenon is caused by the accumulative property of the pulse sequence.
We demonstrate that the maximum coherent superposition state can be selectively prepared using a sequence of pulse pairs in lambda-type atomic systems, with the final level as a doublet. In each pair, the Stocks pulse comes before the pump pulse, with their back edges overlapping. Numerical results indicate that by tuning the interval of the adjacent pulse pairs, the selective maximum coherent superposition state preparation between the initial and one of the final levels can be achieved. The phenomenon is caused by the accumulative property of the pulse sequence.