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The ultra-stable microwave based on ultra-stable laser with robustness and long term stability
Author(s): Shaoyang Dai; Fang Fang; Kun Liu; Shiying Cao; Nianfeng Liu; Weiliang Chen; Tianchu Li
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Paper Abstract

The ultra-stable microwave (USM) based on ultra-stable laser (USL) and fiber optical frequency comb (OFC) is built at the National Institute of Metrology (NIM), China. The OFC is stabilized with USL by controlling the pumping current and piezoelectric transducer (PZT). Meanwhile, the error signal is send to the temperature control of the optical resonant cavity for the long term locking which enable a more than 30 days continuously running. The second stability is 4E-15. By controlling the driving frequency of the AOM, the long term stability of H master is transmitted to the USM. This USM will be applied as the local oscillator for NIM5 Cs fountain to improve its short term stability.

Paper Details

Date Published: 9 November 2018
PDF: 5 pages
Proc. SPIE 10825, Quantum and Nonlinear Optics V, 1082515 (9 November 2018); doi: 10.1117/12.2500185
Show Author Affiliations
Shaoyang Dai, National Institute of Metrology (China)
Fang Fang, National Institute of Metrology (China)
Kun Liu, National Institute of Metrology (China)
Shiying Cao, National Institute of Metrology (China)
Nianfeng Liu, National Institute of Metrology (China)
Weiliang Chen, National Institute of Metrology (China)
Tianchu Li, National Institute of Metrology (China)


Published in SPIE Proceedings Vol. 10825:
Quantum and Nonlinear Optics V
Qihuang Gong; Guang-Can Guo; Byoung S. Ham, Editor(s)

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