Denmark’s researchers in DTU Photonics’ High-Speed Optical Communications Group (HSOC) have announced that they have managed to hit transfer rates of 43 terabits per second over a single optical fiber. Yes, if you’re lucky to have DTU’s new fiber-optic-network, you could transfer a 1GB DVD rip in 0.2 milliseconds or 5.4 terabytes per second.
The previous record over a single optical fiber — 26 terabits per second, set by Karlsruhe Institute of Technology way back in 2011 — had remained unbroken for a surprisingly long period of time. DTU set a series of single-fiber world records in 2009 and 2011, but had since been forced to sit in Karlsruhe’s shadow — until now. This was obviously a pain point for the DTU researchers — the press release [Danish] announcing the new world record actually calls out Karlsruhe by name. I guess a bit of friendly competition never hurt anyone though, right?
An interesting fact about this achievement is DTU’s use of a single laser over a single fiber from Japanese telecoms firm NTT. This cable uses seven threads in the space that there is traditionally just a single optical fiber.
Obviously DTU’s 43Tbps won’t have much in the way of real-world repercussions for now — but it’s a very good sign that we’re not going to run out of internet bandwidth any time soon.
Via : extremetech