Chinese Journal of Lasers, Volume. 48, Issue 23, 2311001(2021)

Development of Integrated Low-Phase Noise Microwave Frequency Synthesizer for Cold Atomic Gravimeter

Xinchuan Ouyang1,2, Qingqing Hu3、*, Meifeng Ye1, Jianliao Deng1, Bowen Yang1,2, Hanghang Qi1,2, Ling Xiao1, Jinyin Wan1、**, and Huadong Cheng1,2、***
Author Affiliations
  • 1Key Laboratory of Quantum Optics, Shanghai Institute of Optics and Fine Mechanics, Chinese Academy of Sciences, Shanghai 201800, China
  • 2Center of Materials Science and Optoelectronics Engineering, University of Chinese Academy of Sciences, Beijing 100049, China
  • 3Advanced Interdisciplinary Technology Research Center, National Innovation Institute of Defense Technology, Beijing 100010, China
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    Figures & Tables(7)
    Phase locked loop of 100 MHz and frequency synthesizer of 100--6834 MHz. (a) Phase locked loop of 100 MHz; (b) MHz frequency synthesizer of 100--6834.
    Microwave control system
    Picture of microwave source (400 mm×400 mm×80 mm)
    Phase noise performances of the PLL
    Scheme of frequency sweep test and result of frequency sweep. (a) Scheme of frequency sweep test; (b) result of frequency sweep.
    Absolute phase noise performances of the 100-6834 MHz frequency synthesis chains
    • Table 1. Effect of phase noise of microwave source on gravity resolution under different T and τ

      View table

      Table 1. Effect of phase noise of microwave source on gravity resolution under different T and τ

      τ /μsT /msσφrms /mradσg /μGal
      101001.390.864
      102002.550.395
      103003.860.267
      301001.340.834
      302002.540.395
      303003.840.265
      501001.350.836
      502002.520.392
      503003.840.265
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    Xinchuan Ouyang, Qingqing Hu, Meifeng Ye, Jianliao Deng, Bowen Yang, Hanghang Qi, Ling Xiao, Jinyin Wan, Huadong Cheng. Development of Integrated Low-Phase Noise Microwave Frequency Synthesizer for Cold Atomic Gravimeter[J]. Chinese Journal of Lasers, 2021, 48(23): 2311001

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    Paper Information

    Category: spectroscopy

    Received: Mar. 25, 2021

    Accepted: Apr. 27, 2021

    Published Online: Nov. 16, 2021

    The Author Email: Qingqing Hu (qqhu@baqis.ac.cn), Jinyin Wan (jywan@siom.ac.cn), Huadong Cheng (chenghd@siom.ac.cn)

    DOI:10.3788/CJL202148.2311001

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