Early this year, researchers from the University College London Optical Networks Group set a record for the fastest-ever data rate for digital information — 1.125 Tb/s. That’s terabits. With that data rate, you could download the entire Games of Thrones series, in HD, within one second!
To achieve their record-breaking date rate, researchers built an optical communications system with multiple transmitting channels and a single receiver using techniques from information theory and digital signal processing. They then applied coding techniques commonly used in wireless communications, but not yet widely used in optical communications, to ensure the transmitted signals adapt to distortions in the system electronics.
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