1.84 petabits per second – this is the new record for data transfer over your internet connection
The average movie watched via cellular transmission can only eat up a few gigabytes of transfer, and extensive video games already require downloading a good 100 GB of data from a server on the network. This is nothing compared to the aforementioned record of transmitting 1.84 petabits in one second, i.e. after converting the whole 1884 terabits/s, and you should know that 1000 terabits is 128,000 gigabytes. Can you imagine it? Upload 128 full AAA games in one second? Apart from the fact, of course, that no single disk, or even sets of disks, could handle such a transfer (they would simply be too slow to write data at that rate).
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However, transferring data between computers is one thing – such speeds between major network nodes with the right infrastructure can now vary greatly, allowing even higher transfers for mere mortals. Engineers and specialists from companies and universities from all over the world are constantly striving for this, trying to send more and more data through traditional, already installed optical fibers to eliminate bottlenecks in the network infrastructure surrounding almost the entire world.
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Using a so-called “optical frequency comb” and traditional optical fibers, the team from the Technical University of Denmark mentioned above maintained a connection with a transfer rate of 1.84 petabits per second over a distance of 7.9 kilometers. In fact, this is more data than is transferred across the world’s internet every second. Importantly, the team used, not their own, but one developed by Sweden’s Chalmers University of Technology, the aforementioned comb that breaks the infrared laser used for transmission into a rainbow spectrum in which each color corresponds to the equivalent frequency.
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This allows multiple streams of data to be encoded before being reintegrated and sent as a single infrared laser signal over the fiber. If not for that comb, it would have taken more than 1,000 lasers to achieve that transfer, according to the team. In addition, experts expect that in the future they will be able to reach speeds of up to 100 petabits per second.