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Nokia and Orange hit 800Gbps transmission over Dunant cable

2023-12-07 11:19:14

 Nokia and Orange hit 800Gbps transmission over Dunant cable

Press Release

Nokia and Orange today announced the successful completion of a record 800Gbps per wavelength transmission over Orange’s award-winning 6,600km Dunant transatlantic route using the Nokia PSE-6s super coherent optics productized in the Nokia 1830 Photonic Services Interconnect – Modular (PSI-M). Conducted under challenging real-world network conditions, the trial validates Orange’s ability to increase its existing optical network capacity to support end-to-end 400GE and next-generation 800GE services.

The Orange Dunant transatlantic subsea cable, which received the 2021 Global Carrier Award for subsea project of the year, is a unique “hybrid”, terrestrial and subsea connectivity solution for wholesale customers. Traffic is able to reach four different points of presence in the Paris region, giving more connection options to wholesale customers.

In the trial, Orange and Nokia demonstrated error-free performance at 800Gbps over a 6,600km link between the cable landing stations at Virginia Beach, U.S.A. and St Hilaire de Riez, France, vs 400G in 2021. The trial also demonstrated 700Gbps over a total link distance of 7,345km from Virginia Beach to Paris, vs 300G also in 2021. The terrestrial links consisted of nine spans of Orange’s existing fiber network, through multiple cascaded reconfigurable optical add/drop multipliers (ROADMs), using 150GHz WDM spectrum channels.

The field trial, which successfully validates a planned upgrade of the Orange long-haul network using Nokia’s PSE-6s super coherent optics, demonstrates the ability to expand the capacity and spectral efficiency of existing subsea cable systems while reducing the number of coherent optics needed by 33% and lowering total power consumption compared with existing coherent optics. The introduction of the PSE-6 super coherent capabilities across the Nokia 1830 portfolio enables high-performance, spectrally efficient transport of high-speed services across long-haul, ultra-long haul and trans-oceanic networks spanning multiple 1000s of kilometers.

Jean-Louis Le Roux, Vice President International Networks at Orange, said: “This trial demonstrates Orange’s commitment to supporting ever-greater network scale and new high-bandwidth services across our existing global network, which combined with our subsea networks truly powers global connectivity for our customers. We are pleased to be the first operator to validate Nokia’s latest generation of super coherent optics in a subsea application as an important enabler to our constant need for network upgrades, with high spectral efficiency, sustainability and operational deployment flexibility.”

James Watt, Head of the Optical Networks Division at Nokia, said: “We are very pleased with the success of Nokia’s high-performance PSE-6s in this trial and delighted to continue to work with Orange in support of their network upgrade plans. As data volumes grow unabated worldwide, innovation in optical networks is critical to stay far ahead of the curve. The PSE-6 super-coherent optics supercharge the Nokia optical portfolio, delivering massive network scale and service reach while ensuring sustainable growth with power efficiency.”

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