Researchers at University College London (UCL) have set a new world record for the fastest data transfer rate in digital communication. While investigating the limits of optical transmission systems, the team successfully achieved a staggering speed of 1.125 terabits per second (Tb/s). This breakthrough is part of an ongoing effort to enhance the speed and efficiency of home and enterprise network systems, paving the way for future high-speed communication technologies.
Dr. Robert Maher, the lead researcher from the School of Electrical and Electronic Engineering at UCL, highlighted that current commercial optical systems can handle up to 100 gigabits per second (Gb/s) on a single channel. However, the team's experimental setup can process over 1 terabit per second, significantly surpassing existing capabilities.
To put this into perspective, the average broadband speed in the UK is around 24 megabits per second (Mb/s). At 1.125 Tb/s, users could download an entire 1080p season of Game of Thrones in just one second. This represents a speed increase of about 50,000 times compared to typical UK broadband speeds.
The researchers used advanced coding techniques commonly found in wireless communication systems. They built their optical network using the 256QAM format, similar to what cable modems use, and combined 15 different optical wavelengths into a single "super channel." This innovative approach allowed them to achieve unprecedented data transfer rates in a controlled lab environment.
This development could have major implications for future internet infrastructure, enabling faster data transfers and supporting the growing demand for high-bandwidth applications like 4K streaming, cloud computing, and real-time data processing.
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