More than speed vicar? New fleck design sees ultra-fast information transmission at a charge per unit of ane.84 petabits per second…and more speed is possible
The speed record for information transmission has been shattered once again by researchers in Kingdom of denmark and Sweden.
The researchers used a unmarried light source and optical flake to transmit data at a whooping i.84 petabits per second (Pbit/s), which is almost twice the global internet traffic per second.
Achieving 1.84 Pbit/south is quite remarkable. To understand how fast that is, most people’s homes in the U.k. tin can sometimes achieve speeds of up to 240 Mbps (megabits per 2d). A lucky few, for instance those connected to the B4RN project or full fibre connections, can achieve speeds up to 1Gbps or sometimes fifty-fifty 10Gbps.
For context, 1 petabit corresponds to i million gigabits.
So who achieved this? Well it is maybe no surprise that it was the researchers at the Technical University of Kingdom of denmark (DTU) in Denmark, alongside researchers from Chalmers University of Technology (in Gothenburg, Sweden).
Last week they appear they had achieved the dizzying information manual speeds.
They said they were the first in the world to transmit more than than 1 petabit per 2d (Pbit/s) using only a single laser and a unmarried optical chip.
In the experiment, the researchers succeeded in transmitting 1.viii Pbit/s, which corresponds to twice the full global Internet traffic.
And this was only carried by the light from one optical source. The light source is a custom-designed optical chip, which tin use the light from a single infrared laser to create a rainbow spectrum of many colours, i.e. many frequencies, said the researchers.
Thus, the one frequency (color) of a single laser can exist multiplied into hundreds of frequencies (colours) in a single chip.
All the colours are fixed at a specific frequency distance from each other – simply similar the teeth on a comb – which is why it is called a frequency comb.
Each colour (or frequency) tin can and so exist isolated and used to imprint data. The frequencies tin can then be reassembled and sent over an optical fibre, thus transmitting data. Fifty-fifty a huge volume of data, every bit the researchers take discovered.
The researchers said that the experimental demonstration showed that a unmarried chip could hands carry 1.viii Pbit/southward, which – with contemporary state-of-the-art commercial equipment – would otherwise crave more than than i,000 lasers.
“What is special most this chip is that it produces a frequency comb with ideal characteristics for cobweb-optical communications – it has high optical power and covers a broad bandwidth within the spectral region that is interesting for advanced optical communications,” Victor Torres Visitor, a professor at Chalmers Academy of Engineering, who is head of the research grouping that has developed and manufactured the scrap.
More speed Vicar?
Interestingly plenty, the fleck was non optimised for this particular application, the researchers noted.
“In fact, some of the characteristic parameters were accomplished by coincidence and not by blueprint,” said Victor Torres Company. “However, with efforts in my squad, we are at present capable to reverse engineer the process and reach with high reproducibility microcombs for target applications in telecommunications.”
The researchers created a computational model to examine theoretically the fundamental potential for data transmission with a single chip identical to the i used in the experiment.
The calculations showed enormous potential for scaling upwardly the solution, the researchers said.
“Our calculations show that – with the single scrap made past Chalmers University of Technology, and a single light amplification by stimulated emission of radiation – we volition exist able to transmit upwardly to 100 Pbit/s,” said Professor Leif Katsuo Oxenløwe, Head of the Centre of Excellence for Silicon Photonics for Optical Communications (SPOC) at DTU.
“The reason for this is that our solution is scalable – both in terms of creating many frequencies and in terms of splitting the frequency rummage into many spatial copies and and then optically amplifying them, and using them as parallel sources with which we tin can transmit data,” said Professor Oxenløwe.
“Although the comb copies must be amplified, nosotros do not lose the qualities of the comb, which nosotros utilize for spectrally efficient data transmission,” said Professor Oxenløwe.
This new record is a huge speed increment from previous records.
Call back, it was only back in 2012 that researchers in Deutschland said they had broken the data transmission speed record, when they sent information at 512Gbps from Berlin to Hanover and dorsum.
However prior to that 26TBps was apparently set by a team at the Karlsruhe Institut fur Technologie in Deutschland in 2011.
Then in 2014 researchers at the Technical Academy of Kingdom of denmark (DTU) reclaimed their world record for data transfer with a single light amplification by stimulated emission of radiation by setting a new criterion of 43Tbps.
In July 2021 engineers from Nihon’south National Plant of Data and Communications Technology (NICT) gear up a world record when they demonstrated a long distance information transmission at speeds of 319Tbps over iii,001 km (1,864 miles).