The effect of modulation instability on the phase noise of long-haul phase-sensitive optical time-domain reflectometry

Qi Zhu; Xiaoyang Hu; Zhou Meng

doi:10.1117/12.2624411

27 March 2022 The effect of modulation instability on the phase noise of long-haul phase-sensitive optical time-domain reflectometry

Qi Zhu, Xiaoyang Hu, Zhou Meng

Author Affiliations +

Proceedings Volume 12169, Eighth Symposium on Novel Photoelectronic Detection Technology and Applications; 121695K (2022) https://doi.org/10.1117/12.2624411
Event: Eighth Symposium on Novel Photoelectronic Detection Technology and Applications, 2021, Kunming, China

Abstract

Phase noise is an important parameter of the phase-sensitive optical time-domain reflectometry (φ-OTDR) which determines the minimum detectable signal. In this paper, we study the effect of MI on the phase noise in the long-haul φ-OTDR system. The results show that the phase noise increases dramatically with the occurrence of MI, especially at the far end of the sensing fiber. The distribution of the phase noise in the fiber is related to the Fermi-Pasta-Ulam recurrence.

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Qi Zhu, Xiaoyang Hu, and Zhou Meng "The effect of modulation instability on the phase noise of long-haul phase-sensitive optical time-domain reflectometry", Proc. SPIE 12169, Eighth Symposium on Novel Photoelectronic Detection Technology and Applications, 121695K (27 March 2022); https://doi.org/10.1117/12.2624411

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