T8 and Corning demonstrate 800 Gbit/s DWDM transmission over 500km of Corning® SMF-28® ULL fiber without regenerators and EDFAs
T8 and Corning Incorporated (NYSE: GLW) demonstrate an 8-channel dense wavelength division multiplexed (DWDM) system with a total capacity of 800 Gbit/s over 500 km of Corning® SMF-28® ULL optical fiber without the use of intermediate regenerators or EDFAs.
This demonstration reflects a distinctive combination of T8’s high quality 100G dual-polarization quadrature phase shift keying (DP-QPSK) transponders (required OSNR is 12dB), optimized remote optical power amplifiers (ROPA), and Corning’s ultra-low-loss fiber (attenuation <0.17 dB/km). Such combination allows network designs that significantly extend the reach of high-capacity transmission systems, and reduce the need for expensive regenerators.
“A combination of 100G DWDM system with the total capacity scaling up to 8 Tbit/s and ultra-low-loss fiber has a tremendous economic efficiency, especially in Russia where there are many long distances with unpopulated regions and poor infrastructure”, said Vladimir Treschikov, general director, T8. “This is the first successful demonstration of an 8-channel DWDM 100G/channel unrepeatered 500km transmission with ROPA to achieve the total capacity of 800Gbit/s”.
T8’s innovative 100G transponder “Volga” with the required optical-signal-to-noise ratio (OSNR) of 12 dB can transmit 100G over a majority of the networks originally designed for 10G operation. T8’s newly released 100G product contains such advanced technologies as dual polarization QPSK modulation, automatic dispersion compensation up to 75,000ps/nm, and SoftFEC algorithm.
“Corning is pleased to continue collaboration with T8 to demonstrate the transmission of eight DWDM channels over a 500 km distance without intermediate regenerators or EDFAs. We believe that Corning’s ultra-low-loss fiber will continue enabling further increases in the speed and capacity of optical fiber networks”, said Sergey Akopov, technical director, Corning Optical Fiber. “Corning innovation ensures that SMF-28® ULL optical fiber remains the industry leader by providing opportunities for network operators to reduce capital spending, lower operating expenses, and minimize system complexity.”
Corning’s SMF-28® ULL optical fiber provides the lowest attenuation specification of any commercially available ITU-T Recommendation G.652-compliant fiber. It is fully compatible with installed single-mode fibers and enables future network upgrades to 100G, 400G, and higher data rates.
Forward-Looking and Cautionary Statements
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About Corning Incorporated
Corning Incorporated (www.corning.com) is the world leader in specialty glass and ceramics. Drawing on more than 160 years of materials science and process engineering knowledge, Corning creates and makes keystone components that enable high-technology systems for consumer electronics, mobile emissions control, telecommunications and life sciences. Our products include glass substrates for LCD televisions, computer monitors and laptops; ceramic substrates and filters for mobile emission control systems; optical fiber, cable, hardware & equipment for telecommunications networks; optical biosensors for drug discovery; and other advanced optics and specialty glass solutions for a number of industries including semiconductor, aerospace, defense, astronomy, and metrology.
About T8
T8 LLC is the Russian leader in DWDM technology. The company has successfully deployed more than 50,000 km of long-haul DWDM networks. Founded by specialists from the Russian Academy of Sciences with an extensive experience in research, development and installation of DWDM systems, T8 employs s one of the leading Russian R&D and engineering teams. The company has the best-in-class fiber optic testing laboratory equipped with more than 200 devices enabling complex measurements for DWDM systems. For additional information about T8, go to www.t8.ru