DAS over 1,007-km Hybrid Link with 10-Tb/s DP-16QAM Co-propagation using Frequency-Diverse Chirped Pulses (OFC)

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Publication Date: 3/6/2022

Event: OFC 2022

Reference: Th4A.2: 1-3, 20

Authors: Ezra Ip, NEC Laboratories America, Inc.; Yue-Kai Huang, NEC Laboratories America, Inc.; Ming-Fang Huang, NEC Laboratories America, Inc.; Fatih Yaman, NEC Laboratories America, Inc.; Glenn A. Wellbrock, Verizon; Tiejun J. Xia, Verizon; Ting Wang, NEC Laboratories America, Inc.; Koji Asahi, NEC Corporation; Yoshiaki Aono, NEC Corporation

Abstract: We report the first distributed acoustic sensing (DAS) results over>1,000 km on a field-lab hybrid link using chirped-pulses with correlation detection and 20× frequency-diversity, achieving a sensitivity of 100 pa/√Hz at 20-meters spatial resolution.

Publication Link: https://ieeexplore.ieee.org/document/9748358