'Absurd' Internet Speed: Japan Develops Connection 4 Million Times Faster Than Brazil's

‘Absurd’ Internet Speed: Japan Develops Connection 4 Million Times Faster Than Brazil’s

Written by Bruno Teles

Published on 29/07/2025 at 16:07

Fibra óptica com 19 núcleos bate recorde de velocidade e pode revolucionar redes em todo o mundo

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New Japanese Optical Fiber Reaches 1.02 Petabits Per Second and Could Revolutionize Data Transmission Worldwide

Japan has just set a new global milestone by developing an internet connection 4.25 million times faster than the Brazilian average. The achievement was announced by the National Institute of Information and Communications Technology (NICT), which reached the mark of 1.02 petabits per second, or about 127,500 gigabytes per second.

This advance comfortably surpasses previous records and promises to transform sectors such as artificial intelligence, cloud computing, and streaming. The achievement is even more impressive as it was accomplished with technology compatible with existing networks, which paves the way for practical large-scale application.

19-Core Fiber Ensures Historic Speed

To achieve this performance, NICT scientists developed a new optical fiber with 19 cores within a single cable that is only 0.125 millimeters in diameter — the same standard as the wires already used by providers. This compacting multiplies transmission capacity without requiring replacement of existing networks, representing a huge technical and economic advantage.

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In tests, the signal was transmitted over 1,802 kilometers, with reinforcement from 21 amplification points. This stability over long distances is an important differentiator compared to previous experiments, which were limited to short paths. The improvement in energy efficiency and reduction of losses was essential to reach this new level.

Speed Impresses Even in Practical Scenarios

The speed of 1.02 petabits per second represents an exponential leap compared to current available connections. For comparison, this transmission rate is 3.5 million times higher than the average internet speed in the U.S. and 4.25 million times above the Brazilian average, according to Speedtest Global Index data. In practice, it would be possible to download the entire Netflix catalog in less than one second.

This advancement is not just an academic feat. It has the potential to accelerate consumption of 4K and 8K content, cloud gaming, and artificial intelligence systems, in addition to allowing the safe and stable expansion of the so-called Internet of Things (IoT), where millions of devices exchange data in real time.

Technology Could Reach the Market Without Cable Replacement

According to NICT researchers, the new technology is compatible with existing infrastructures, which facilitates its progressive adoption by providers and data centers. This means that implementation in commercial and urban environments could occur without significant investments in network replacement — a common challenge in the telecommunications sector.

During the Optical Fiber Communication Conference (OFC 2025), held in Japan, the Photonic Networks Laboratory emphasized that the new fiber is also less vulnerable to light distortions, a common issue in long-distance transmissions. This extra stability is viewed as one of the greatest assets of the Japanese innovation.

Do you think Brazil should invest in technologies like this to overcome the lag in digital infrastructure?

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‘Absurd’ Internet Speed: Japan Develops Connection 4 Million Times Faster Than Brazil’s

New Japanese Optical Fiber Reaches 1.02 Petabits Per Second and Could Revolutionize Data Transmission Worldwide

19-Core Fiber Ensures Historic Speed

Major Oil, Gas, and Energy Event Will Take Place in Brazil: Macaé Energy Will Gather Petrobras, Equinor, Prio, Among Other Suppliers and Energy Executives for Business, Networking, and Employment Opportunities

Speed Impresses Even in Practical Scenarios

Technology Could Reach the Market Without Cable Replacement

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‘Absurd’ Internet Speed: Japan Develops Connection 4 Million Times Faster Than Brazil’s

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