A Cold-Atom Optical Frequency Standard for Optical Fiber Communication by Using an Erbium-Fiber-Based Frequency Comb

Haoyuan Lu, Jianxiao Leng, Ping Guo, Jianye Zhao, Jianhui Tu, Dayong Chen
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Abstract

We demonstrate an approach of cold-atom frequency standard based on the two-photon transition (TPT) in rubidium (Rb), using an Erbium-fiber-based Frequency Comb. By introducing the technique of laser cooling and atoms trapping, our scheme can eliminate most of Doppler-broadening background. The fractional stability of the frequency standard can reach $6\times 10-12$ and $4.5\times 10-13$ at 1 $\mathbf{s}$ and 1000 $\mathbf{s}$. This system has many applications, particularly for optical fiber communication.
基于铒光纤频率梳的光纤通信冷原子光频率标准
我们展示了一种基于铷(Rb)的双光子跃迁(TPT)的冷原子频率标准方法,使用基于铒纤维的频率梳。通过引入激光冷却和原子捕获技术,该方案可以消除大部分的多普勒扩宽背景。在1 $\mathbf{s}$和1000 $\mathbf{s}$时,频率标准的分数稳定性可达$6\乘以10-12$和$4.5\乘以10-13$。该系统具有广泛的应用,特别是光纤通信。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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