Chinese team's hollow-core fibre cuts data link latency 30% over 1,000 km

Chinese researchers demonstrated hollow-core optical fibre that transmits data through air instead of solid glass, reducing latency by ~30% over 1,000 km. This is a first-of-its-kind long-distance trial, though commercial deployment and cost remain uncertain. The breakthrough could materially improve high-frequency trading and inter-data-centre connectivity, giving China a strategic edge in latency-sensitive infrastructure.

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