Alcatel-Lucent and BT record fibre speeds of 1.4Tb/s with spectral efficiency of 5.7b/s/Hz over core network

Alcatel-Lucent (NYSE: ALU) and BT have announced trial speeds of up to 1.4Tb/s with a record spectral efficiency of 5.7 bits per second per Hertz (b/s/Hz) on an existing core fibre connection.

This is believed to be the fastest speed ever achieved in commercial grade hardware in a real-world environment and is equivalent to transmitting 44 uncompressed HD films in a single second.

The field trial, conducted over an existing fibre link between the BT Tower in London and BT´s Adastral Park research campus in Suffolk, used a new ´flexible grid´ infrastructure (Flexgrid) to vary the gaps between transmission channels, usually set at 50 Gigahertz (GHz). By increasing the density of channels on the fibre, this approach achieved up to 42.5 percent greater data transmission efficiency compared to standard networks.

BT is one of the world´s providers of communications services and solutions, serving customers in more than 170 countries. For more information, visit www.btplc.com.

Alcatel-Lucent is at the forefront of global communications, providing products and innovations in IP and cloud networking, as well as ultra-broadband fixed and wireless access to service providers and their customers, enterprises and institutions throughout the world. For more information, visit Alcatel-Lucent on: http://www.alcatel-lucent.com, read the latest posts on the Alcatel-Lucent blog http://www.alcatel-lucent.com/blog and follow the company on Twitter: http://twitter.com/Alcatel_Lucent.

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