A highly precise fiber delay fluctuation measurement with a wide range

Tiantian Fu; Xiaocheng Wang; Zhangweiyi Liu; Nan Deng; Weilin Xie; Yi Dong

doi:10.1117/12.2295338

10 January 2018 A highly precise fiber delay fluctuation measurement with a wide range

Tiantian Fu, Xiaocheng Wang, Zhangweiyi Liu, Nan Deng, Weilin Xie, Yi Dong

Proceedings Volume 10617, 2017 International Conference on Optical Instruments and Technology: Optoelectronic Devices and Optical Signal Processing; 106170G (2018) https://doi.org/10.1117/12.2295338
Event: International Conference on Optical Instruments and Technology 2017, 2017, Beijing, China

Abstract

We propose a time delay fluctuation measurement method with high precision and wide range. The round-trip time delay fluctuation of a 40 km optical fiber link from the phase of a transmitted 20.02 GHz signal is transferred into the one of an intermediate frequency by using dual heterodyne phase error transfer. It allows a precise measurement of the time delay fluctuation by measuring the phase of the RF signal. Frequency division of the intermediate frequency is applied to realize the wide range of delay fluctuation measurement. The resolution of the measurement can be reached at 27 fs and the range can be 6.25 ns.

Citation Download Citation

Tiantian Fu, Xiaocheng Wang, Zhangweiyi Liu, Nan Deng, Weilin Xie, and Yi Dong "A highly precise fiber delay fluctuation measurement with a wide range", Proc. SPIE 10617, 2017 International Conference on Optical Instruments and Technology: Optoelectronic Devices and Optical Signal Processing, 106170G (10 January 2018); https://doi.org/10.1117/12.2295338

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