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Zero ac Stark frequency shift of an atom trapped in pulsed laser lightReported at the IV International Conference on Ultrafast Optical Science (28 September–October 2020, Lebedev Physical Institute of the Russian Academy of Sciences, Moscow, Russia).
Quantum Electronics ( IF 0.9 ) Pub Date : 2021-03-01 , DOI: 10.1070/qel17500
A.E. Afanasiev , V.I. Balykin

We report a theoretical analysis of the spectral properties of atoms localised in an optical pulsed trap. It is shown that this analysis can be carried out using the correlation coefficient calculated from the averaged dynamics of atomic excitation by resonant probe laser light in the presence of a nonresonant pulsed field. It follows from calculations that at a laser pulse duration of 8 ps, atoms can be trapped at a zero shift in the D2 line transition frequency of the Rb atom, caused by the ac Stark effect. This configuration can be used to build optical frequency standards without the need for localising laser radiation at the ‘magic’ wavelength.



中文翻译:

在第四届超快光学科学国际会议(2020 年 9 月 28 日至 2020 年 10 月,俄罗斯科学院列别捷夫物理研究所,俄罗斯莫斯科)上报告的原子在脉冲激光中的零交流斯塔克频移。

我们报告了对位于光脉冲陷阱中的原子光谱特性的理论分析。结果表明,可以使用在存在非共振脉冲场的情况下由共振探测激光的原子激发的平均动力学计算的相关系数来进行该分析。从计算得出,在 8 ps 的激光脉冲持续时间下,原子可以在 Rb 原子的 D 2线跃迁频率的零偏移处被捕获,这是由交流斯塔克效应引起的。这种配置可用于构建光学频率标准,而无需将激光辐射定位在“神奇”波长。

更新日期:2021-03-01
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