中泰证券（600918）发布研报称，2025年，AI算力需求的爆发是拉动光纤需求的核心增量。为保证超 大AI集群的训练效率，数据中心内部和数据中心之间的网络互联正加速向800G/1.6T演进。空芯光纤被 视为AI集群内部通信和超低时延DCI的终极解决方案。瑞银表示，空芯光纤具备长期发展潜力，预计未 来2-3年技术将逐步成熟并实现可观收入贡献，是长飞光纤光缆战略性增长杠杆，但短期对盈利的影响 仍有限。 消息面上，据科技日报报道，中国电信（601728）近日成功完成全球首个超百公里的空芯光纤共纤传输 实验，创下该领域全新纪录，标志着我国在量子-经典共纤传输技术领域实现里程碑式突破。据介绍， 实验取得的四项核心指标均达到全球领先水平。 长飞光纤（601869）光缆(06869)盘中涨超8%，截至发稿，涨7.35%，报36.2港元，成交额5.54亿港元。 ...

Core Insights - China Telecom has successfully completed the world's first transmission experiment using hollow-core optical fibers over a distance exceeding 100 kilometers, marking a significant breakthrough in quantum-classical co-fiber transmission technology [1] Group 1: Technological Breakthrough - The experiment represents a milestone in the field of quantum-classical co-fiber transmission, addressing a critical bottleneck for the large-scale deployment of quantum communication [1] - The research team introduced innovative mechanisms such as spectrum collaborative allocation and multi-source crosstalk suppression strategies, enabling efficient and stable co-fiber transmission of quantum and classical signals [1] Group 2: Industry Implications - The successful transmission resolves the industry challenge of interference between quantum and classical signals in traditional solid-core fibers, which complicates the balance between security and capacity [1] - The new system offers comprehensive advantages including low noise, high security, large capacity, and low complexity, paving the way for the practical application of this technology [1]