China Telecom et al. Verify First Thousand-Kilometer Hollow-Core Fiber Real-Time Transmission

1 reports archived1 independent sourcesupdated 11/2/2026, 10:00:36

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China Telecom, YOFC, and ZTE completed the world's first real-time bidirectional transmission verification over a 1007.48 km hollow-core fiber link, achieving a total capacity of 128 Tb/s. The trial overcame gas line absorption challenges and optimized amplifier strategies, providing key technical evidence for building high-bandwidth, low-latency backbone networks.

LATEST/China Telecom, YOFC, and ZTE completed the world's first real-time bidirectional transmission verification over a 1007.48 km hollow-core fiber link, achieving a total capacity of 128 Tb/s. The trial overcame gas line absorption challenges and optimized amplifier strategies, providing key technical evidence for building high-bandwidth, low-latency backbone networks.

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IT之家 · IT业界T2Nov 2, 10:00·68 pts
China Telecom et al. Verify First Thousand-Kilometer Hollow-Core Fiber Real-Time Transmission
- Sets global record for longest point-to-point non-loopback real-time hollow-core fiber transmission (1007.48 km)
- Achieves single-wavelength 800Gb/s in extended C+L band with total capacity of 128 Tb/s
- Eliminates CO₂/CO gas line absorption via process optimization, validating GLA-free long-link feasibility
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