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In the era of 100G and ultra-100G, with the development of coherent reception and DSP technology, fiber dispersion and polarization mode dispersion are no longer the main limiting factors for long-distance transmission of light, while fiber attenuation and nonlinear effects have become the main problems
limiting its long-distance transmission.
In order to improve the transmission distance of 400G, reducing fiber loss and improving the effective area of optical fiber have become the most important ways
to solve the problem of optical fiber transmission.
Corning has developed fibers with a minimum loss of 0.
146dB/km, a minimum loss of 0.
146dB/km at 1560nm, and a loss of 0.
1467dB/km
at 1550nm.
China's optical fiber manufacturers such as Changfei have also released ultra-low loss of standard G.
652/G.
654 specifications, breaking the monopoly of foreign manufacturers on ultra-low loss optical fiber and further promoting the maturity
of the industrial chain.
Long Shengya, Manager of Changfei's R&D Department, said: "Ultra-low attenuation, large effective area optical fiber is an inevitable choice to support the next generation of high-speed, long-distance and large-capacity transmission, which can be applied to marine networks and land long-distance trunk line networks
.
The optical fiber developed by Changfei has both ultra-low attenuation (typical value of 0.
165dB/km) and large effective area (typical value of 110μm2), which can effectively reduce power consumption and meet the requirements
of long-distance transmission of optical fiber.
"
In the era of 100G and ultra-100G, with the development of coherent reception and DSP technology, fiber dispersion and polarization mode dispersion are no longer the main limiting factors for long-distance transmission of light, while fiber attenuation and nonlinear effects have become the main problems
limiting its long-distance transmission.
In order to improve the transmission distance of 400G, reducing fiber loss and improving the effective area of optical fiber have become the most important ways
to solve the problem of optical fiber transmission.
Corning has developed fibers with a minimum loss of 0.
146dB/km, a minimum loss of 0.
146dB/km at 1560nm, and a loss of 0.
1467dB/km
at 1550nm.
China's optical fiber manufacturers such as Changfei have also released ultra-low loss of standard G.
652/G.
654 specifications, breaking the monopoly of foreign manufacturers on ultra-low loss optical fiber and further promoting the maturity
of the industrial chain.
Long Shengya, Manager of Changfei's R&D Department, said: "Ultra-low attenuation, large effective area optical fiber is an inevitable choice to support the next generation of high-speed, long-distance and large-capacity transmission, which can be applied to marine networks and land long-distance trunk line networks
.
The optical fiber developed by Changfei has both ultra-low attenuation (typical value of 0.
165dB/km) and large effective area (typical value of 110μm2), which can effectively reduce power consumption and meet the requirements
of long-distance transmission of optical fiber.
"
