Chinese Optics Letters, 2018, 16 (1): 010605, Published Online: Jul. 16, 2018   

Robust fiber-based frequency synchronization system immune to strong temperature fluctuation Download: 720次

Author Affiliations
1 State Key Laboratory of Precision Measurement Technology and Instruments, Department of Precision Instrument, Tsinghua University, Beijing 100084, China
2 Department of Physics, Tsinghua University, Beijing 100084, China
3 SKA South Africa, Blend on Baker, Rosebank 2196, Johannesburg, South Africa
4 Jodrell Bank Centre for Astrophysics, Alan Turing Building, School of Physics & Astronomy, The University of Manchester, Oxford Road, Manchester M13 9PL, UK
Abstract
In order to make the fiber-based frequency synchronization system suitable for the use of large-scale scientific and engineering projects in which the ambient temperature of the fiber links change dramatically, we design a non-harmonic frequency dissemination system immune to strong temperature fluctuation. After the lab tests, in which the ambient temperature of the fiber fluctuates 40°C/day and 20°C/h, respectively, the relative frequency stabilities of this system reaches 4.0 × 10 14/s and 3.0 × 10 16/104 s. It is demonstrated that the proposed non-harmonic scheme shows a strong robustness to complicated working environment with strong temperature fluctuation.

Xi Zhu, Bo Wang, Yichen Guo, Yibo Yuan, Romeo Gamatham, Bruce Wallace, Keith Grainge, Lijun Wang. Robust fiber-based frequency synchronization system immune to strong temperature fluctuation[J]. Chinese Optics Letters, 2018, 16(1): 010605.

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