M-net and Nokia enable 500G (gigabits per second) over single probabilistically shaped wavelength in real-world environment for first time, setting new milestone for network of the future



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Field trial conducted over regional DWDM network spanning German state of Bavaria as M-net prepares for commercial roll-out of state-of-the-art WDM network
Trial is industry's first transmission of probabilistically shaped 64-QAM wavelengths based on the Nokia Photonic Service Engine 3


7 February, 2019



Espoo, Finland - Nokia and German service provider M-net have jointly announced the first field trial of probabilistically shaped wavelengths using Nokia Photonic Service Engine 3 (PSE 3) super coherent technology.  



In preparation for the roll-out of its state-of-the-art Bavarian WDM network, M-net has become the first carrier to trial Nokia's Photonic Service Engine 3 coherent digital signal processing technology. The PSE-3 is the first DSP to implement probabilistic constellation shaping, or PCS, a sophisticated signal processing technique pioneered by Bell Labs which finely adjusts the optical signal to maximize the data-carrying capacity of an optical fiber over any distance.  



M-net successfully transmitted 500G per wavelength over a deployed regional network, utilizing PCS to shape the signal from its maximum capacity of 600G to a rate optimized for the specific fiber route used in the test. This high level of performance and flexibility enables M-net to maximize the capacity of every network fiber, ensuring their innovative backbone will meet the demands of soaring video traffic and 5G mobile broadband.



Dr. Hermann Rodler, CTO at M-net, said: "This field trial clearly underlines the innovative strength of M-net. We are very proud to collaborate with Nokia to push the technology envelope on our state-of-the-art fiber-optic network, and to be the first carrier to publicly test the PSE-3 and its probabilistic constellation shaping technology."



Sam Bucci, head of optical networking at Nokia, said: "We're excited to partner with M-net on the implementation of its new fiber optic backbone network. The Technical University of Munich played a key role in the development of PCS, and the PSE-3 was largely developed at Nokia's R&D facility in Nuremberg, so it's only appropriate that the first field trial of PSE-3 technology would take place in Bavaria."





Resources:

Webpage: Nokia Photonic Service Engine 3

Webpage: Nokia Optical Networking

Press Release: Nokia pushes optical network capacity to theoretical limits with Photonic Service Engine 3 chipset; massive scale and radical simplicity for video, cloud and 5G growth

Video: Nokia Photonic Service Engine 3: Taking light to the limit

Video: Nokia Photonic Service Engine 3: What limits us, inspires us

Images: https://www.nokia.com/about-us/news/media-library/nokia-pse-3-chipset/





About Nokia

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Through our research teams, including the world-renowned Nokia Bell Labs, we are leading the world to adopt end-to-end 5G networks that are faster, more secure and capable of revolutionizing lives, economies and societies. Nokia adheres to the highest ethical business standards as we create technology with social purpose, quality and integrity.

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