A hollow-core fiber cable just carried 51.3 Tb/s across 200 km
SMRTR summary
Chinese fiber-optic company YOFC broke a world record by transmitting 51.3 terabits of data per second across 206.5 km of hollow-core fiber (HCF) — without any signal boosters along the way. Unlike regular fiber, HCF guides light through air, delivering 31% lower latency and 47% faster speeds. This milestone matters because data centers are hitting fiber bottlenecks as AI infrastructure rapidly expands.
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