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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 by up to 10 times!
Although optical fibers can reach high speeds, because the light pulses need to advance one by one, a minimum distance must be kept from each other to avoid signal interference, and a useless space
is formed within the optical fiber.
Since the seventies of the twentieth century, the speed of optical fiber can increase by 10 times almost every four years, but in recent years it has encountered a bottleneck, the speed is very slow, and scientists around the world are seeking breakthroughs
.
The new work of two scientists, Camille Brès and Luc Thévenaz, can arrange light pulses more closely together, reducing the gap between each other, thereby maximizing the use of space
within the fiber.
The key is that they found a new way to get "yquist sinc pulses" almost perfectly, which can be tightly bound together like puzzle pieces, although slightly disturbing, but do not affect the data reading area
.
In fact, pulse splicing is not everyone's thought, but it is not accurate enough, and EPFL's team achieved 99% perfection
.
Their method also eliminates the need to replace the entire fiber optic system, just the transmitter, so the upgrade cost is greatly reduced
.
What is more surprising is that the technology does not stay on paper, but has basically matured, the cost is also very low, and it can be put into a single chip
.
Luc Thévenaz said: "It's amazing, it's like a dream
.
”
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 by up to 10 times!
Although optical fibers can reach high speeds, because the light pulses need to advance one by one, a minimum distance must be kept from each other to avoid signal interference, and a useless space
is formed within the optical fiber.
Since the seventies of the twentieth century, the speed of optical fiber can increase by 10 times almost every four years, but in recent years it has encountered a bottleneck, the speed is very slow, and scientists around the world are seeking breakthroughs
.
The new work of two scientists, Camille Brès and Luc Thévenaz, can arrange light pulses more closely together, reducing the gap between each other, thereby maximizing the use of space
within the fiber.
The key is that they found a new way to get "yquist sinc pulses" almost perfectly, which can be tightly bound together like puzzle pieces, although slightly disturbing, but do not affect the data reading area
.
In fact, pulse splicing is not everyone's thought, but it is not accurate enough, and EPFL's team achieved 99% perfection
.
Their method also eliminates the need to replace the entire fiber optic system, just the transmitter, so the upgrade cost is greatly reduced
.
What is more surprising is that the technology does not stay on paper, but has basically matured, the cost is also very low, and it can be put into a single chip
.
Luc Thévenaz said: "It's amazing, it's like a dream
.
”
