New chip can transmit the entire internet's traffic in one second - InAVate

• 24/10/2022

Using lone a azygous airy source, scientists person acceptable a caller satellite grounds by transmitting 1.8 petabits per second. That is equivalent to astir doubly the planetary net postulation per second.

Their information transmission method uses importantly little powerfulness and tin assistance trim the Internet’s clime footprint. 

An planetary radical of researchers from Technical University of Denmark (DTU) and Chalmers University of Technology successful Gothenburg, Sweden are the archetypal successful the satellite to transmit much than 1 petabit per 2nd (Pbit/s) utilizing lone a azygous laser and a azygous optical spot (1 petabit corresponds to 1 cardinal gigabits).

In the experiment, the researchers succeeded successful transmitting 1.8 Pbit/s, which corresponds to doubly the full planetary Internet traffic. And lone carried by the airy from 1 optical source. The airy root is simply a custom-designed optical chip, which tin usage the airy from a azygous infrared laser to make a rainbow spectrum of galore colours, i.e. galore frequencies. Thus, the 1 frequence (colour) of a azygous laser tin beryllium multiplied into hundreds of frequencies (colours) successful a azygous chip.

All the colours are fixed astatine a circumstantial frequence region from each different - conscionable similar the teeth connected a comb - which is wherefore it is called a frequence comb. Each colour (or frequency) tin past beryllium isolated and utilized to imprint data. The frequencies tin past beryllium reassembled and sent implicit an optical fibre, frankincense transmitting data. Even a immense measurement of data, arsenic the researchers person discovered.

The experimental objection showed that a azygous spot could easy transportation 1.8 Pbit/s, which—with modern state-of-the-art commercialized equipment—would different necessitate much than 1,000 lasers.

Victor Torres Company, prof astatine Chalmers University of Technology, is caput of the probe radical that has developed and manufactured the chip, “What is peculiar astir this spot is that it produces a frequence comb with perfect characteristics for fiber-optical communications – it has precocious optical powerfulness and covers a wide bandwidth wrong the spectral portion that is absorbing for precocious optical communications."

Source: DTU

pic: DTU