Rydberg Level Shift due to the Electric Field Generated by Rydberg Atom Collision Induced Ionization in Cesium Atomic Ensemble

被引:5
|
作者
Wang, Xin [1 ]
He, Jun [1 ,2 ]
Bai, Jiandong [1 ]
Wang, Junmin [1 ,2 ]
机构
[1] Shanxi Univ, Inst Optoelect, State Key Lab Quantum Opt & Quantum Opt Devices, Taiyuan 030006, Peoples R China
[2] Shanxi Univ, Collaborat Innovat Ctr Extreme Opt, Minist Educ & Shanxi Prov, Taiyuan 030006, Peoples R China
来源
APPLIED SCIENCES-BASEL | 2020年 / 10卷 / 16期
基金
中国国家自然科学基金; 国家重点研发计划;
关键词
Rydberg atoms; energy shift; collision induced ionization; Rydberg electromagnetically induced transparency; ELECTROMETRY; DEFECTS; NP; NS;
D O I
10.3390/app10165646
中图分类号
O6 [化学];
学科分类号
0703 ;
摘要
We experimentally studied the Rydberg level shift caused by the electric field, which is generated by Rydberg atom collision induced ionization in a cesium atomic ensemble. The density of charged particles caused by collisions between Rydberg atoms is changed by controlling the ground-state atomic density and optical excitation process. We measured the Rydberg level shift using Rydberg electromagnetically-induced-transparency (EIT) spectroscopy, and interpreted the physical origin using a semi-classical model. The experimental results are in good agreement with the numerical simulation. These energy shifts are important for the self-calibrated sensing of microwave field by the employing of Rydberg EIT. Moreover, in contrast to the resonant excitation case, narrow-linewidth spectroscopy with high signal-to-noise ratio would be useful for high-precision measurements.
引用
收藏
页数:9
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