Theoretical model of an atomic line filter based on the combination of a double selective pump

Theoretical model of an atomic line filter based on the combination of a double selective pump
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基于双选择泵组合的原子管线过滤器理论模型

DOI:
10.1364/ao.56.000078
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发表时间:
2017
期刊:
影响因子:
1.9
通讯作者:
Shuangqiang Liu
Shuangqiang Liu
中科院分区:
工程技术4区
文献类型:
--
作者:
Zhenyu Zhu;Hanyang Li;Weimin Sun;Shuangqiang Liu

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相似文献

我们提出了一个基于激光诱导光学各向异性的原子过滤器模型,该模型通过双选择性泵浦的组合来实现。以往报道的这类原子滤光器大多采用单泵浦方式,使原子在特定的子能级上聚集。本文通过在滤波系统中加入另一个泵浦源来保证所有的原子都处于泵浦-探测循环。利用速率方程分析了回抽的可行性,讨论了不同条件下回抽对过滤器的贡献。模拟结果表明,再泵浦不仅可以提高滤光片的透射率,而且可以改变透射谱的峰值波长。
We present a model of an atomic filter based on laser-induced optical anisotropy that is achieved by the combination of a double selective pump. Most of these kinds of atomic optical filters reported previously adopt only one pump to make the atoms populate on particular sublevels. In this paper, another pump is added to the filter system to make sure all the atoms are in the pump–probe cycle. The feasibility of the re-pump is analyzed by employing the rate equation, and the contribution of the re-pump to the filter is discussed under various conditions. Simulation results show that the re-pump can not only enhance the transmission of the filter, but also vary the transmission spectrum peak wavelength.
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