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中国团队创 3.2 Pb/s 光纤实时传输世界纪录

2026-10-27 17:49:53

ChainCatcher 消息,据科技日报报道,中国信科集团光通信技术和网络全国重点实验室联合鹏城实验室、烽火藤仓光纤科技有限公司,完成 3.2 Pb/s 多芯光纤实时双向传输试验,创下单纤双向实时光传输容量的世界纪录。这一速率超过同一团队今年早些时候创下的 2.5 Pb/s 纪录,提升近 30%。

该速率相当于 1 秒下载 2 万余部 4K 电影,或供 320 万户家庭同时使用千兆宽带。试验使用 10.3 公里长的 24 芯多芯光纤,结合 S+C+L 三波段复用和空分复用技术。传统 C+L 波段商用单芯 G.652 光纤的容量上限约为 100 Tb/s,该系统的单纤总容量是其 32 倍,成果已投稿至《Journal of Lightwave Technology》期刊。

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