Rapid population transfer of a two-level system by a polychromatic driving field

被引：11
|
作者：
Li, D. X. [1 ,2 ,3 ,4 ]
Shao, X. Q. [1 ,2 ,3 ,4 ]
机构：
[1] Northeast Normal Univ, Ctr Quantum Sci, Changchun 130024, Jilin, Peoples R China
[2] Northeast Normal Univ, Sch Phys, Changchun 130024, Jilin, Peoples R China
[3] Northeast Normal Univ, Minist Educ, Ctr Adv Optoelect Funct Mat Res, Changchun 130024, Jilin, Peoples R China
[4] Northeast Normal Univ, Minist Educ, Key Lab UV Light Emitting Mat & Technol, Changchun 130024, Jilin, Peoples R China
来源：
SCIENTIFIC REPORTS | 2019年 / 9卷 / 1期
基金：
中国国家自然科学基金;
关键词：
ATOM; EXCITATION; RESONANCE; DRIVEN; STATE;
D O I：
10.1038/s41598-019-45558-5
中图分类号：
O [数理科学和化学]; P [天文学、地球科学]; Q [生物科学]; N [自然科学总论];
学科分类号：
07 ; 0710 ; 09 ;
摘要：
We propose a simple exact analytical solution for a model consisting of a two-level system and a polychromatic driving field. It helps us to realize a rapid complete population transfer from the ground state to the excited state, and the system can be stable at the excited state for an extremely long time. A combination of the mechanism and the Rydberg atoms successfully prepares the Bell state and multipartite W state, and the experimental feasibility is discussed via the current experimental parameters. Finally, the simple exact analytical solution is generalized into a three-level system, which leads to a significant enhancement of the robustness against dissipation.
引用
收藏
页数：7
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