Japan announced they were able to break the previous internet speed record. What’s interesting is, they didn’t just surpass the record, but they almost doubled it.

The feat was done by a group of engineers from Japan’s National Institute of Information and Communication Technology (NICT).

This group of researchers was able to achieve a record-breaking internet speed of 319 terabits per second (TB/s). That’s almost two times faster than the previous world record, 178Tb/s, which was done by a group of UK and Japanese engineers in 2020.

The NICT researchers utilized optical fibers and small tubes, which use light for high-speed data transfer. But, we already know that optical fibers are substantially faster than traditional copper wires as it’s commonly used by ISPs like Philippine’s PLDT, Converge ICT, and more.

So to achieve this record-setting feat, the folks at NICT used additional materials and technologies that are too complex for non-engineers to understand. The paper reads:

We demonstrate the recirculating transmission of 552 x 25 GHz spaced channels covering >120 nm of S, C, and L-bands in a 125μm diameter, 4-core fiber, measuring a decoded throughput of 319 Tb/s at 3001 km

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