Wireless

Nokia demonstrates 600G transmission milestone using PSE-V optics

5th May 2022
Kiera Sowery

Nokia has announced the successful completion of a network trial with TIM using the Nokia PSE-Vs fifth generation super coherent optics.

The trial demonstrated 600G transmission over a 1008km live link inTIM’s terrestrial backbone network in Italy. This trial sets new milestones in spectral efficiency over a live, real-world network, and enables TIM to further increase its optical network capacity and support 400 Gigabit Ethernet (400GE) services across its long-haul network.    

This trial leverages TIM’s existing long-haul network based on Nokia’s CDC-F ROADM architecture and demonstrates the ability to achieve milestone transmission speeds of 600G per wavelength using PSE-Vs super coherent optics from Nokia. Operating with 100GHz WDM channels to maximize network capacity, this trial sets a milestone spectral efficiency record of 6.0bits/sec/Hz over TIM’s strategic long-haul routes.

James Watt, Head of Optical Networks Division, Nokia, said: “We are delighted to work with TIMto support continued capacity evolution of its core long-haul network. With the introduction of the PSE-Vs supercoherent capabilities, we enable scale made simple across our entire 1,830 portfolio. Nokia is enabling spectrally-efficient network capacity over real-world long-haul networks while setting new milestones for capacity-reach performance.”

Alberto Maria Langellotti, Head of IP, Transport & SDN Engineering, TIM Italy, said: “This live network field trial validates our plans to seamlessly scale network capacity everywhere over our existing long-haul network, using the latest generation of high performance coherent optics. With this trial, we demonstrate a record spectral efficiency over our advanced network to ensure the best dissemination of new digital services”.

The trial was performed on a long-haul route connecting TIM’s live network of mixed SMF/LEAF fiber spanning the breadth of Italy, using Nokia’s 1830 PSI-M compact modular disaggregated transport system. TIM and Nokia demonstrated error-free performance at 600Gb/s over a 1008km link from Torino to Rome, consisting of 18 fiber spans and through five ROADMs nodes, and 400Gb/s over a 2140km link from Torino to Catania, Sicily, consisting of 37 fiber spans and 12 ROADMs nodes.

The Nokia PSE-V is the industry’s most advanced family of digital coherent optics (DCO), powering the next generation of Nokia high-performance, high-capacity transponders, packet-optical switches, disaggregated compact modular and subsea terminal platforms. The PSE-V super coherent DSP (PSE-Vs) implements the industry’s only second generation probabilistic constellation shaping (PCS) with continuous baud rate adjustment, and supports higher wavelength capacities over longer distances – including support for 400G over any distance – over spectrally efficient 100GHz WDM channels while further reducing network costs and power consumption per bit.

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