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Enhanced microwave electrometry with intracavity anomalous dispersion in Rydberg atoms

机译：腔内异常分散在里德堡原子中的增强微波电化学

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摘要

Intracavity anomalous dispersion is investigated and proposed to enhance detection sensitivity of weak microwave electric field with Rydberg atoms. When the Rydberg atoms are prepared with Raman gain and the cavity field serves as the probe field driving the metastable-state transition, two cavity modes are amplified due to the gain effect and two gain peaks appear in the cavity transmission, meanwhile, a large anomalous dispersion arises in the gain window. The frequency splitting of two gain peaks shows linear relationship with the MW field strength, which can be used to probe the MW electric-field strength. It is interesting to find that the anomalous dispersion broadens the frequency splitting of two gain peaks dramatically, so the probe sensitivity of MW field could be enhanced by 10 times from simulation, compared with the cavity-less scheme.
机译：对腔内异常色散进行了研究，并提出以提高Rydberg原子对弱微波电场的检测灵敏度。当利用拉曼增益制备Rydberg原子并且以腔场作为驱动亚稳态跃迁的探测场时，由于增益效应，两个腔模被放大，并且在腔透射中出现两个增益峰，同时，存在较大的异常增益窗口出现色散。两个增益峰的分频与MW场强呈线性关系，可用于探测MW电场强度。有趣的是，异常色散显着地拓宽了两个增益峰的频率分裂，因此与无腔方案相比，MW场的探头灵敏度可以比仿真提高10倍。

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  • 来源
    《Optical and quantum electronics》 |2020年第2期|120.1-120.10|共10页
  • 作者

    Y. D. Peng; J. L. Wang; C. Li; X. Lu; Y. H. Qi; A. H. Yang; J. Y. Wang;

  • 作者单位

    Qingdao Key Laboratory of Terahertz Technology College of Electronic and Information Engineering and College of Electrical Engineering and Automation Shandong University of Science and Technology Qingdao 266590 China Institute of Quantum Optics and IQST Ulm University Albert-Einstein-Allee 11 89081 Ulm Germany;

    Qingdao Key Laboratory of Terahertz Technology College of Electronic and Information Engineering and College of Electrical Engineering and Automation Shandong University of Science and Technology Qingdao 266590 China;

    Department of Physics East China University of Science and Technology Shanghai 200237 China;

    School of Geosciences China University of Petroleum (East China) Qingdao 266580 China;

  • 收录信息 美国《科学引文索引》(SCI);美国《工程索引》(EI);
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    Measurement of microwave electric field; Rydberg atoms; Anomalous dispersion; Optical cavity;

    机译：微波电场的测量;雷德堡原子;异常分散;光学腔;

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