60 km实地光纤链路光频传输

Pengcheng, 方鹏程 Fang; Zhendi, 蔡桢荻 Cai; Huanyao, 孙焕尧 Sun; Yan, 王艳 Wang; Yanqi, 徐晏琪 Xu; Qunfeng, 陈群峰 Chen

doi:10.3788/aos202242.2306006

光学学报

2022

DOI: 10.3788/aos202242.2306006

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60 km实地光纤链路光频传输

方鹏程 Fang Pengcheng¹,

蔡桢荻 Cai Zhendi²,

孙焕尧 Sun Huanyao³

et al.

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2024

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基于数字化相位补偿的激光水下频率传输

Han Lili,

Yang Fei,

Cao Kang

et al. 2024

Chin. J. Laser

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基于数字化相位补偿的激光水下频率传输

Han Lili,

Yang Fei,

Cao Kang

et al. 2024

Chin. J. Laser

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基于超冷铒原子的双波长激光光纤相位噪声抑制

Liao Wenmin,

Zhang Sihui,

Duan Yuqing

et al. 2024

激光与光电子学进展

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The additional phase noise of a sub -Hz linewidth laser transmitted in the fiber to excite the Hzlinewidth transition of erbium is actively compensated for using the fundamental laser of the cooling laser in the ultracold erbium atom system . To perform heterodyne beat detection and implement the compensation feedback without affecting the power of the original sub -Hz linewidth laser (1299 nm), we injecte the broadlinewidth fundamental laser of the cooling light at a similar wavelength (1166 nm) from the output end of the fiber. The phase noise of the narrowlinewidth laser caused by temperature and vibration in fiber transmission is suppressed when the noise of the two lasers is almost the same. The linewidth of the beat frequency signal of the transmitted laser is narrowed from 14. 6 Hz to 11. 6 mHz and the stability of the opticalfrequency transmission link is improved from 1. 6 × 10 -16 to 6. 5 × 10 -19 in 1000 s, meeting the opticalfrequency transfer needs of a startoftheart optical clock. This opticalfrequency transfer scheme can be used as an alternative where the power of the transmitted laser is insufficient or physical space is limited. The scheme is also applicable for simplifying the source setup on branching opticalfiber networks.

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60 km实地光纤链路光频传输

Cited by 2 publications

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基于数字化相位补偿的激光水下频率传输

基于数字化相位补偿的激光水下频率传输

基于超冷铒原子的双波长激光光纤相位噪声抑制

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