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Optical Fiber Communication Conference

Experimental Demonstration of 374.4 Tbps Classical Communications Coexisting with Quantum Key Distribution over 100 km 7-Core Fiber

Weiwen Kong, Tianqi Dou, Zhenhua Li, Yuheng Xie, Lei Shen, Jun Chu, Song Gao, Nan Lu, Xuewei Kan, Yaoxian Gao, Yongmei Sun, Shibiao Tang, Jianjun Tang

Published Jan 1, 2026• 0 citations
Publisher

Abstract

We experimentally demonstrate QKD coexistence with 374.4 Tbps classical communications over 100 km 7-core fiber for the first time, achieving 28 dBm coexistence power and about 4 kbps secure key rate, enabling scalable QKD deployment.
DOI
10.1364/ofc.2026.m2k.2

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