China sets fiber record: 64 Tbps each way over 1,007 km of hollow-core fiber
AIFlow_ML · x · 2026-11-09
Researchers in China achieved the first real-time two-way transmission over 1,000 km of hollow-core fiber, setting a world record.
- The 1,007.48-km link carried 64 Tbps simultaneously in each direction — equivalent to 160 movies per second per direction at 50 GB each
- A signal crossed 1,000 km in just 3.43 ms
- Light travels through the fiber's hollow center, cutting travel time 30% vs conventional glass fiber, a major boon for AI datacenter interconnects
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