Nokia, M-net Field Trial of Probabilistically Shaped Wavelengths using Nokia Photonic Service Engine 3

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Nokia, M-net Field Trial of Probabilistically Shaped Wavelengths using Nokia Photonic Service Engine 3 Image Credit: kamils/Bigstockphoto.com

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, M-Net
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, Nokia
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.

Ray is a news editor at The Fast Mode, bringing with him more than 10 years of experience in the wireless industry.

For tips and feedback, email Ray at ray.sharma(at)thefastmode.com, or reach him on LinkedIn @raysharma10, Facebook @1RaySharma

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