光束高斯空间剖面中相干居群捕获共振的线形

IF 0.9 4区工程技术 Q3 Engineering

Quantum Electronics Pub Date : 2022-02-01 DOI:10.1070/qel17975

V. Yudin, M. Basalaev, D. Kovalenko, A. Taichenachev, J. Pollock, A. Hansen, W. McGehee, J. Kitching

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引用次数: 0

摘要

对于闭合Λ-system中双色场激发的相干居群俘获(CPT)共振，我们得到了考虑参考跃迁频率光移的辐射强度分布为高斯分布情况下的线形解析表达式。由于光移的空间不均匀性，线形是不对称的。研究了共振峰位置的位移与光强的关系。

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Line shape of the coherent population trapping resonance in the case of a Gaussian spatial profile of a light beam

For coherent population trapping (CPT) resonance excited by a bichromatic field in a closed Λ-system, we have obtained an analytical expression for the line shape in the case of a Gaussian profile of the radiation intensity distribution, taking into account the light shift of the reference transition frequency. Due to the spatial inhomogeneity of the light shift, the line shape is asymmetric. The dependence of the shift of the resonance peak position on the light intenisty is investigated.

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来源期刊

Quantum Electronics 工程技术-工程：电子与电气

CiteScore

3.00

自引率

11.10%

发文量

审稿时长

3-6 weeks

期刊介绍： Quantum Electronics covers the following principal headings Letters Lasers Active Media Interaction of Laser Radiation with Matter Laser Plasma Nonlinear Optical Phenomena Nanotechnologies Quantum Electronic Devices Optical Processing of Information Fiber and Integrated Optics Laser Applications in Technology and Metrology, Biology and Medicine.