Friday, November 11, 2022, 2:18 a.m.
Several scientists from the University of Gothenburg, Sweden, and the University of Copenhagen, Denmark, who conducted a new experiment published in the prestigious journal Nature, have announced that they have developed a revolutionary new chip.
Experts managed to transfer an amount of data of 1.8 Pbits, a world record, which is twice the world’s Internet traffic, in one second.
The researchers achieved dizzying data transmission speeds and are the first in the world to transmit more than 1.8 petabits per second using a single laser and a single optical chip, according to DTU.
In the experiment, the researchers were able to transmit 1.8 Pbit/s, which is twice the total global Internet traffic. The light source is a custom optical chip that can use light from a single infrared laser to create a rainbow spectrum of multiple colors, i.e., multiple frequencies.
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An experimental demonstration showed that a single chip could easily carry 1.8 Pbit/s, which with state-of-the-art commercial equipment would require over 1,000 lasers.
Victor Torres Company, a professor at Chalmers University of Technology, leads the research group that developed and manufactured the chip.
“The particularity of this chip is that it produces a frequency curve with ideal characteristics for fiber optic communications – it has high optical power and covers a wide bandwidth in the spectral region, which is interesting for communications advanced optics,” says Victor Torres. .
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“We are now able to reverse the process and fabricate high-reproducibility microchips for target applications in telecommunications,” Torres said.
“Our calculations show that with a single chip made by Chalmers University of Technology and a single laser, we will be able to transmit up to 100 Pbit/s. The reason for this is that our solution is scalable – both in terms of creating many frequencies and in terms of dividing the frequency curves into multiple spatial copies and then optically amplifying them and using them as parallel sources with which we can transmit data,” said Professor Leif Katsuo Oxenløwe, Director of the Center of Excellence for Optical Communications at the Technical University of Copenhagen, Denmark.