The world’s fastest fiber was born

Researchers at the Danish University of Science and Technology have developed a new type of fiber optic cable. The speed of a single fiber cable with a single laser transmitter can reach 43 terabits per second. This is the fastest network speed in the world. It takes only 0.2 milliseconds to download a 1GB movie. It can be said to be completed in the blink of an eye.

On a well-configured computer, the 43 terabit/s network speed is equivalent to about 5.4 terabytes per second, or, accurately, 5375 GB per second. If you use this fiber-optic cable network, you can transmit 1TB of content in 1/5 second, and you can download 1GB of DVD movie in 0.2 milliseconds.

The fastest single-fiber cable speed was 26 terabits per second, which was set by researchers at Karlsruhe Institute of Technology in Germany in 2011. The Danish University of Science and Technology set a series of single-fiber cable speed records between 2009 and 2011, including breaking the first terabit/second for the first time. However, the light was blocked by Karlsruhe Polytechnic until now.

The Danish University of Science and Technology uses single-beam single-emitter cable for testing, and there are still a lot of work to be done on testing multiple fiber-optic cables with multiple laser emitters to prove whether the final speed can reach hundreds of gigabits per second. Megabit. But now, this assumption is far from reality. When we talk about commercial fiber optic cables, we refer to single fiber optic cables because it is the backbone of the entire Internet. In other words, the technology studied at the Danish University of Science and Technology has the opportunity to become a reality in the coming years. You can download TV shows or movies in the blink of an eye.

Although the Danish University of Science and Technology uses single-fibre cable, compared to ordinary single-core optical fibers, this set of fibers contains seven cores, and the thickness remains the same as ordinary optical fibers. At present, the world's fastest commercial single laser transmitter single fiber cable network connection speed is 100GB per second.