全球首条7芯光纤海缆成功铺设，大湾区创传输新纪录

DoNews2025-09-09

长飞公司联合中山大学、南方海洋实验室、暨南大学、杭州硫通光子科技及中国移动广东公司，近日于大湾区桂山岛至外伶仃岛间成功铺设全球首条7芯光纤海底试验光缆，建立超大容量、超长距离海底光网络，刷新7芯空分复用海缆实地铺设距离的世界纪录。该7芯光纤涂敷直径与传统单模光纤一致，均为250微米，避免对现有海缆生产与敷设的大规模改造，实现“扩容不增粗”。其集成七个独立传输芯层，通信容量数倍提升，关键指标达海缆...

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