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Japan sets new Internet speed world record with data transfers at 319Tbps

A team of engineers from Japan has achieved the fastest data transfers ever using specialised optical fibre cables. It now claims that the technology can be implemented on the existing fibre optics, thus increasing the speed of everyday internet at our homes.

UPDATED: July 20, 2021,11:31 AM IST

Japan-As remote work becomes the new norm for many across the globe, high internet speeds are the need of the hour. Working on this, a team of engineers

The wonderous feat has been achieved by engineers from Japan’s National Institute of Information and Communication Technology (NICT) and has now been published as a research paper at the International Conference on Optical Fiber Communication held virtually from June 6-11.

As mentioned in the research, the NICT team recorded a 319 terabits per second (Tb/s) speed for data transfer over a distance of approximately 3,000 kilometres. To put the new speed into perspective, know that the old record for the fastest data transfer was held at 178 Tb/s. The new technology beats the old internet speeds by using 4-core optical fibre of standard outer diameter of 0.125 mm to transfer data using light instead of normal copper cables.

For this, the team used a 552-channel laser that operates at various wavelengths. An experimental set-up of a recirculating transmission loop that employed two kinds of rare-earth-doped fibre amplifiers. The specialised amplifiers helped boost the range and speed of the internet.

The team recorded the fastest data transfer ever without any performance drops across the 3000 kilometres distance. Interestingly, the engineers claim that the regular optical fibre cables employed for Wi-Fi at our homes could also support this technology, though some modifications might be required.

NICT noted that the new results from the record-breaking internet speed test would help build new communication systems that can support the new “bandwidth-hungry services.” The team also said that it would further work to increase the transmission capacity of “low-core-count multi-core fibres and other novel SDM fibres.”

This means that future data transfers could be even faster than the new record. In addition to the enhanced speed, NICT will also work to extend the transmission range “to trans-oceanic distances.”

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