Huawei unveils programmable 2-Tbps WDM prototype

Lightwave Staff

Huawei says it has released a prototype of a WDM system capable of transmitting 2 Tbps per channel. By using both the C-Band and the L-Band, the prototype technology can boost fiber capacity to 56 Tbps.

The prototype transmission technology leverages digital signal processing and adaptive soft-decision forward error correction (SD FEC). It support 300-GHz of spectral width and transmission distances of 1,000 km over G.652 fiber and standard EDFAs, Huawei says.

The company adds that the prototype also uses “flex transceiver technology” that enables a programmable network controller to configure such parameters as the number of subcarriers, subcarrier spacing, modulation codes, and FEC modes. Operators can therefore set line rates, transmission distances, and transmission capacity to meet their requirements.

The company did not release a target date for commercialization.

"As our world becomes ever more digitized, Huawei works to accelerate the development of next-generation optical telecommunications networks in order to provide the highest quality communications services to our customers around the world,” said Jack Wang, president of Huawei Transport Network Product Line. “In 2012, we launched the world's first 10-petabit all-optical switch prototype, the highest spectrum efficiency WDM prototype, the first pan-European 400G field trial, and the programmable 2T WDM prototype this time."

For more information on high-speed transmission systems and suppliers, visit the Lightwave Buyer’s Guide.



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