Japanese researchers have established a new world record for data transmission speed, achieving a fantastic 1.02 petabits per second through a standard-thickness fiber optic cable. This volume is sufficient to transmit 10,000 4K movies in one second.
G. Ostrov
A team of Japanese researchers has achieved a genuine breakthrough in fiber optic technology, setting a new world record for data transmission speed. The achieved speed of 1.02 petabits per second surpasses all existing achievements and opens new horizons for telecommunications technology development.
Revolutionary Technology
The distinctive feature of this achievement is the use of a fiber optic cable with a thickness of only 0.125 mm — the same as ordinary fiber in modern networks. This means the new technology is potentially compatible with existing infrastructure, significantly simplifying its implementation.
Scientists developed a special 19-core optical fiber that enabled the transmission of a record data volume over a distance of 1,808 kilometers. To achieve such results, a complex combined amplifier system was created, using 19 circuits with one fiber each.
Technical Solution
The experiment methodology involved multiple signal passes through the circuits — 21 times in total, which collectively provided a transmission distance of 1,808 kilometers. On the receiving end, a special 19-channel receiver operated, while signal processing was performed by a digital processor that recorded the final transmission speed.
Impressive is not only the absolute speed but also the "speed × distance" product, which amounted to 1.86 exabit-seconds per kilometer — also a new world record in optical communications.
Research Evolution
This is not the first experiment by Japanese scientists with 19-core fiber. In previous tests, they managed to achieve an even higher speed of 1.7 petabits per second, but only over a short distance of 63.5 km. The current achievement is important because it successfully combined ultra-high speed with transmission over a distance approaching real network scales.
Application Prospects
According to the study authors, "in post-5G society, traffic volume will grow avalanche-like due to new communication services. To serve it, fundamentally new information and communication infrastructure will be required."
The achieved data transmission speed opens incredible possibilities: in one second, approximately 10,000 full-length 4K format movies can be transmitted, demonstrating the technology's potential for future high-speed networks and services.
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