| Sideband manipulation of population inversion in a three-level Λ atomic system |
| |
| 引用本文： | 郭洪菊,钮月萍,金石琦,龚尚庆.Sideband manipulation of population inversion in a three-level Λ atomic system[J].中国物理 B,2008,17(4):1269-1273. |
| |
| 作者姓名： | 郭洪菊 钮月萍 金石琦 龚尚庆 |
| |
| 作者单位： | State Key Laboratory of High Field Laser Physics, Shanghai
Institute of Optics and Fine Mechanics, Chinese Academy of
Sciences, Shanghai, 201800, China;State Key Laboratory of High Field Laser Physics, Shanghai
Institute of Optics and Fine Mechanics, Chinese Academy of
Sciences, Shanghai, 201800, China;State Key Laboratory of High Field Laser Physics, Shanghai
Institute of Optics and Fine Mechanics, Chinese Academy of
Sciences, Shanghai, 201800, China;State Key Laboratory of High Field Laser Physics, Shanghai
Institute of Optics and Fine Mechanics, Chinese Academy of
Sciences, Shanghai, 201800, China |
| |
| 基金项目： | Project supported by the National
Natural Science Foundation of China (Grant No 60708008), the Project
of Academic Leaders in Shanghai, China (Grant No 07XD14030) and the
Knowledge Innovation Program of the Chinese Academy of Sciences. |
| |
| 摘 要： | Sideband manipulation of population inversion in a three-level A atomic configuration is investigated theoretically. Compared with the case of a nearly monochromatic field, a population inversion between an excited state and a ground state has been found in a wide sideband intensity range by increasing the difference in frequency between three components. Furthermore, the population inversion can be controlled by the sum of the relative phases of the sideband components of the trichromatic pump field with respective to the phase of the central component. Changing the sum phase from 0 to π, the population inversion between the excited state and the ground state can increase within nearly half of the sideband intensity range. At the same time, the sideband intensity range that corresponds to the system exhibiting inversion ρ00 〉 ρ11 also becomes wider evidently.
|
| 关 键 词： | 原子物理学 粒子数反转 边带处理 相关相位 |
| 收稿时间： | 9/8/2007 12:00:00 AM |
Sideband manipulation of population inversion in a three-level Lambda atomic system |
| |
| Guo Hong-Ju,Niu Yue-Ping,Jin Shi-Qi and Gong Shang-Qing.Sideband manipulation of population inversion in a three-level Lambda atomic system[J].Chinese Physics B,2008,17(4):1269-1273. |
| |
| Authors: | Guo Hong-Ju Niu Yue-Ping Jin Shi-Qi and Gong Shang-Qing |
| |
| Institution: | State Key Laboratory of High Field Laser Physics, Shanghai
Institute of Optics and Fine Mechanics, Chinese Academy of
Sciences, Shanghai, 201800, China |
| |
| Abstract: | Sideband manipulation of population inversion in a three-level
$\Lambda$ atomic configuration is investigated theoretically.
Compared with the case of a nearly monochromatic field, a population
inversion between an excited state and a ground state has been found
in a wide sideband intensity range by increasing the difference in
frequency between three components. Furthermore, the population
inversion can be controlled by the sum of the relative phases of the
sideband components of the trichromatic pump field with respective
to the phase of the central component. Changing the sum phase from 0
to $\pi$, the population inversion between the excited state and the
ground state can increase within nearly half of the sideband
intensity range. At the same time, the sideband intensity range that
corresponds to the system exhibiting inversion $\rho_{00}>\rho_{11}$
also becomes wider evidently. |
| |
| Keywords: | population inversion sideband
manipulation relative phase |
| 本文献已被 维普 等数据库收录！ |
| 点击此处可从《中国物理 B》浏览原始摘要信息 |
| 点击此处可从《中国物理 B》下载免费的PDF全文 |
|
