Two scientists at the Swiss Federal Institute of Technology in Lausanne (EPFL) have found a simple and innovative way to easily increase fiber transmission speeds up to 10 times!
Although fiber can reach high speeds, because the light pulses need to advance one by one and must be kept at a minimum distance from each other to avoid signal interference, useless space is formed in the fiber.
Since the 1970s, the fiber speed has increased by almost 10 times every four years. However, in recent years, bottlenecks have been encountered and the speed has been slow. Scientists all over the world are seeking breakthroughs.
The new achievements of the two scientists Camille-Brès and Luc-Thévenaz can arrange light pulses more closely and reduce the gap between them, thus maximizing the use of space within the fiber.
The key is that they have found a new way to get almost perfect yquist-sinc-pulses. They can be tightly integrated with each other like a jigsaw. Although there will be some interference, but not Affects the data reading area.
In fact, pulse splicing is not something everyone thinks about, but it cannot be accurate enough. The EPFL team achieved 99% perfection.
Their method also eliminates the need to replace the entire fiber optic system and simply changes the transmitter, thus significantly reducing upgrade costs.
What is more surprising is that the technology does not stop on paper, but it is basically mature and the cost is very low. It can be put on a single chip.
Luc-Thévenaz said: This stuff is fantastic, it's just like dreaming.
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