NBN Co trials "super-channel" transmission with Coriant

NBN Co and US network vendor Coriant today announced the successful trial of a one terabit-per-second "super-channel" transmission trial over a 1,066km fibre-optic ring in south Queensland. The trial Coriant's Flexi-Grid technology on NBNCo's Transit Network.

The field trial was conducted on NBN Co's network using commercially available hardware and pre-commercial software, over the existing fibre that is currently being integrated into NBN Co's Transit Network.

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NBN Co's Transit network is built using established optical fibre made available by third party carriers on long term leases and Dense Wave Division Multiplexing (DWDM) equipment that provides connectivity from the access networks, including fibre and wireless, through to points of interconnect with the NBN Co's wholesale customers.

The trial demonstrated a Tbps super-channel transmission in a 369GHz grid over 1,066 kilometres.

It showed a greater than 35 per cent improvement in spectral efficiency which significantly increases the capacity of the system.

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