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A record 402 terabits per second were transmitted by optical fiber

Natasha Kumar By Natasha Kumar Jul9,2024

A record 402 terabits were transmitted by optical fiber per second

Japanese and British engineers managed to transmit a record amount of data through an ordinary fiber optic cable — 402 terabits per second. This is 33 percent faster than the previous record and about 400,000 times faster than the average home Internet speed in Ukraine. The record is reported by IEEE Spectrum.

How did you manage to set the record?

Usually, data through optical fiber is transmitted using light in a rather narrow range — the so-called C-band. This limits the data transfer rate, although it additionally protects against signal loss. In their own experiment, the scientists used four wavelength ranges at once, through which data can be transmitted by optical fiber. To do this, special optical amplifiers and filters were used in each range, which allowed to avoid signal loss. As a result, it was possible to transmit four times more information through the cable than is currently transmitted by commercial communication lines. And in the future, the technology will allow to increase the speed of the Internet without the need to lay new cables.

Natasha Kumar

By Natasha Kumar

Natasha Kumar has been a reporter on the news desk since 2018. Before that she wrote about young adolescence and family dynamics for Styles and was the legal affairs correspondent for the Metro desk. Before joining The Times Hub, Natasha Kumar worked as a staff writer at the Village Voice and a freelancer for Newsday, The Wall Street Journal, GQ and Mirabella. To get in touch, contact me through my 1-800-268-7116

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