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Spectroscopy of cesium Rydberg atoms in strong radio-frequency fields

机译:强射频场中铯丽霉原子的光谱学

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摘要

We study Rydberg atoms modulated by strong radio-frequency (rf) fields with a frequency of 70 MHz. The Rydberg atoms are prepared in a room-temperature cesium cell, and their level structure is probed using electromagnetically induced transparency (EIT). As the rf field increases from the weak- into the strong-field regime, the range of observed rf-induced phenomena progresses from ac level shifts through increasingly pronounced and numerous rf modulation sidebands to complex state mixing and level crossings with high?l hydrogenlike states. Weak anharmonic admixtures in the rf field generate clearly visible modifications in the Rydberg EIT spectra. A Floquet analysis is employed to model the Rydberg spectra, and good agreement with the experimental observations is found. Our results show that all-optical spectroscopy of Rydberg atoms in vapor cells can serve as an antenna-free, atom-based, and calibration-free technique to measure rf electric fields and to analyze their higher-harmonic contents.
机译:我们研究了由具有70 MHz频率的强射频(RF)字段调制的Rydberg原子。 rydberg原子在室温铯细胞中制备,并且使用电磁诱导的透明度(EIT)探测其水平结构。随着RF场从弱进入强场方案增加,观察到的RF诱导现象的范围从AC水平越来越多地通过越来越明显地和许多RF调制边带进行复杂的状态混合和高氢气状状态的水平交叉。 RF场中的弱Anharmonic Accixtures在Rydberg EIT光谱中产生清晰可见的修改。采用Floquet分析来模拟Rydberg Spectra,并且发现了与实验观察的良好一致性。我们的结果表明,蒸汽细胞中的rydberg原子的全光学光谱可以用作无天线,原子的和无校准技术,以测量RF电场并分析其更高谐波的内容物。

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  • 来源
    《Physical Review, A》 |2016年第2期|共7页
  • 作者单位

    State Key Laboratory of Quantum Optics and Quantum Optics Devices Institute of Laser Spectroscopy Shanxi University Taiyuan 030006 China;

    State Key Laboratory of Quantum Optics and Quantum Optics Devices Institute of Laser Spectroscopy Shanxi University Taiyuan 030006 China;

    State Key Laboratory of Quantum Optics and Quantum Optics Devices Institute of Laser Spectroscopy Shanxi University Taiyuan 030006 China;

    State Key Laboratory of Quantum Optics and Quantum Optics Devices Institute of Laser Spectroscopy Shanxi University Taiyuan 030006 China;

    State Key Laboratory of Quantum Optics and Quantum Optics Devices Institute of Laser Spectroscopy Shanxi University Taiyuan 030006 China;

    State Key Laboratory of Quantum Optics and Quantum Optics Devices Institute of Laser Spectroscopy Shanxi University Taiyuan 030006 China;

    State Key Laboratory of Quantum Optics and Quantum Optics Devices Institute of Laser Spectroscopy Shanxi University Taiyuan 030006 China;

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  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类 物理学;分子物理学、原子物理学;原子核物理学、高能物理学;光学;
  • 关键词

    Spectroscopy; cesium; Rydberg;

    机译:光谱学;铯;rydberg;

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