Scientists Achieve Record Internet Speed: 301 Terabytes/s

Scientists Achieve Record Internet Speed

New work from scientists at Aston University in the UK has made a big difference in how fast the internet works. For sending data, this is a big step up from everyday optical fiber cables. With a fantastic transmission rate of 301,000 Gbps, the researchers proved that the internet can be made much faster without rebuilding its infrastructure from scratch.

A New Beginning for Fiber-Optic Links

With that speed, they could send as many as 1,800 4K movies over the internet in one second (301 Tbps). Speed Test says that 242.38 megabits per second (Mbps) is the average fixed broadband speed in the US. Infrared light was sent through strands of glass that looked like tubes to make this speed possible. This is how fiber-optic broadband works most of the time. It’s called “E-band,” and no business system has ever used it. They did this with brand-new tools that were made just for them and could connect to them.

A New Beginning for Fiber-Optic Links

E-Band Breakthroughs Boost Data Speeds

The new study was set up to have stable E-band transmission. They showed that the E-band and the nearby S-band could send data quickly and reliably. Scientists made three new tools to ensure the connection stays stable in this part of the electromagnetic spectrum. These are called “optical amplifiers” and “optical gain equalizers.”

Both help the signal go farther when they work together. The first one monitors each wavelength channel and changes the amplitude as needed. Infrared light could send data through the fiber-optic cables because they had them. This is because of the loss and instability often happening in these bands. Scientists have shown even faster speeds with fiber-optic links in the past few years. 301 Tbps is already very fast.

A group at NICT set the world record for the quickest speed in November 2023, going 22.9 petabits per second. Aston University set a record for speed that was 75 times faster. They tried WDM but still couldn’t get to the E-band wavelengths. They showed that this high-speed link worked over a 13-kilometer (8-mile) stretch.

Future Goals:

Scientists hope their brand-new discovery will help ISPs meet customer demands for faster wifi. It’s also a greener way to speed up business internet since it doesn’t require adding new ropes and fibers.

This experiment could help end users get much better connections by making the backbone network’s transmission speed faster. This outstanding achievement shows how important it is to keep improving optical fiber technology so that networks can send data faster and more reliably.


Researchers reached a speed of 301 terabits per second using existing fiber-optic cables. This is the same as sending 1,800 4K movies online in seconds. Researchers have made it possible for fixed broadband lines to send and receive data 1.2 million times faster with fiber optic technology. This was made possible by using a transmission band that wasn’t stable before. Aston University has made progress in its quest for faster internet, which is good news. With new methods like Multiband Transmission, researchers have shown that they can send data much more quickly and with fewer changes to the network

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