InfineraÂ (News - Alert), a provider of digital optical networking systems, has successfully demonstrated a new technology that has the potential to double the transmission capacity of existing submarine cables. This trial demonstrates how Infinera's long haul FlexCoherent super-channel technology, in combination with Soft Decision Forward Error Correction (SD-FEC), can optimize both reach and capacity on submarine cables worldwide, company officials said.
The demonstration was performed over TelstraÂ (News - Alert) Global's dedicated fiber pair within Segment 5 of the AAG cable, connecting San Luis Obispo in Southern California to the island of Oahu in Hawaii and spanning 4,200 km across the Pacific. It included a 100 Gigabit per second (Gb/s) optical signal enhanced with SD-FEC across Telstra Global's dedicated fiber pair.
Infinera staged the trial using Infinera'sÂ DTN-X platformÂ and a prototype super-channel line card enabled with Infinera's thirdÂ generationÂ FlexCoherent ProcessorÂ (News - Alert) for real-time SD-FEC processing. It also included the companyâ€™s 500 Gb/s Photonic Integrated Circuits (PICs).
The SD-FEC enabled higher order modulation formats to be used, allowing Telstra to increase the available capacity on this link, increasing the commercial life of the cable in the face of aggressive increases in Internet demand.
"We are delighted by the results of this field trial and this shows further increased capacity potential for Telstra Global's leading submarine cable plant,â€� said Telstra Global managing director Martijn Blanken, in a statement. â€œOur continuing focus on cutting-edge technologies will enable us to continue to deliver new services to our customers and meet their future capacity needs with a long-term, reliable offering."
Infinera's FlexCoherent technology features a line card that can be configured for a specific modulation format via simple software controls, increasing flexibility and maximizing capacity and reach while lowering operational and inventory sparing costs.Â
"We are pleased to see that our thirdÂ generation FlexCoherent Processor along with 500 Gb/s PICs, is performing exceptionally in real world environments,â€� said David Welch, Infinera co-founder and chief strategy officer, in a statement.
According to Welch, the demonstration has shown that with the addition of SD-FEC, FlexCoherent technology is capable of being deployed on some of the longest and most challenging cable routes in the world.
In a related announcement in December, Infinera announced its DTN-X platform was selected by CenturyLink, a provider of Internet, TV and phone services. By deploying DTN-X to its transport network, CenturyLink is able to support critical video, mobile and cloud IP services, and extend its ability to deliver up to 100 Gigabit Ethernet services.
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Edited by Rachel Ramsey