Publication Date: 7/1/2026

Event: 31st OptoElectronics and Communications Conference (OECC 2026)

Reference: Mo1B-4: 22-23, 2026

Authors: Wataru Kohno, NEC Corporation; Shuji Murakami, NEC Laboratories America, Inc.; Noriyuki Tonami, NEC Corporation; Ting Wang, NEC Laboratories America, Inc.

Abstract: We demonstrate distributed fiber-optic acoustic sensing that employs a mechanical synchronizer to achieve sample-level synchronization of signals across independent sensors. This enables phase-noise suppression and bandwidth extension in standard multi-fiber optical cables without hardware modification.

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