Nokia demonstrates 600G transmission milestone using PSE-V optics
Summary
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. 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 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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