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China Completes World's First 1,000-km Hollow-Core Fiber Bidirectional Real-Time Transmission Verification
1 day ago /
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Author：小编
China has completed the world's first 1,000-km hollow-core fiber bidirectional real-time transmission verification, marking a new breakthrough in key technologies for next-generation communication networks. In a trial conducted over a 1,007.48-km fiber link, synchronous bidirectional transmission of 64 Tb/s signals was achieved for the first time, with a single-direction transmission time of only 3.43 milliseconds—setting a new record for real-time transmission distance over hollow-core fiber. Compared with the best solid-core fiber currently available, this technology doubles transmission capacity and extends distance by 60%, while increasing the test distance by 50 times compared with similar hollow-core fiber trials.
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