Meshponder delivers 19Tb of capacity on transatlantic route

13th July 2017
Source: Infinera
Posted By : Alice Matthews
Meshponder delivers 19Tb of capacity on transatlantic route

Provider of Intelligent Transport Networks, Infinera, has announced the successful completion of a subsea field trial with a major subsea network provider on a modern transatlantic route. The field trial was conducted with the Infinera XTS-3300 meshponder and demonstrated the potential of 19 terabits per second (19T) per fibre pair, delivering the highest spectral efficiency on a major transatlantic route to operate with stable, commercial-ready performance margin.

Subsea optical networks are a critical piece of the global communications infrastructure, enabling cloud-based services to reach users around the world. Given the high complexity and cost of deploying submarine optical systems, subsea operators prefer high-performance, easy-to-use, high-capacity transmission equipment that maximises their return on investment.

The XTS-3300 is powered by the new Infinera Infinite Capacity Engine 4 (ICE4) and is part of the Infinera Intelligent Transport Network portfolio optimised for long-haul subsea applications. It delivers the performance of Infinera’s ICE4 technology, including enhanced pre- and post-dispersion compensation, digitally synthesised Nyquist subcarriers and soft-decision forward error correction gain sharing. The trial validates ICE4’s transmission of 8QAM (quadrature amplitude modulation) 600 gigabits per second (600G) super-channel in 140 gigahertz of spectrum, delivering the highest spectral efficiency of 4.3 bits per second per hertz with commercial-ready performance margin.

“While optical vendors have demonstrated experimental approaches to boost subsea fibre capacity, the Infinera XTS-3300 is the first commercial platform that can deliver over 19T of capacity on a trans-Atlantic route,” said Andrew Schmitt, Lead Analyst at Cignal AI. “The XTS-3300 trial used tighter channel spacing and advanced compensation techniques in the DSP, paving the way for operators to deploy highly efficient platforms that maximise subsea fibre spectrum utilisation.”

“Infinera is continually enhancing solutions to deliver the best capacity-reach performance for subsea cable systems with our Advanced Coherent Toolkit and Instant Bandwidth technology that enables rapid capacity upgrades and reduced commercial risk for service providers,” said Scott Jackson, Infinera Vice President, Subsea Business Group. “This industry-first trial underscores the significant value Infinera Intelligent Transport Networks bring to subsea network operators.”

The ICE4-based Infinera DTN-X XT series and XTS series are planned for general availability this quarter. Infinera's Cloud Xpress 2, also based on ICE4, began shipping in the second quarter of 2017.

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