The data transmission was achieved on a wavelength division multiplexing (WDM) system with 100Ghz channel spacing. Data was transmitted through 25 reconfigurable optical add-drop multiplexer (ROADM) nodes without an electrical repeater.
ZTE used a unique frequency algorithm to overcome the issue of signal degradation, a common industry challenge in wideband communications over long distance. The success of this transmission laid the technical foundation for further development of global high speed broadband networks.
With the growth of global broadband services, high bandwidth transmissions have become a basic requirement for communication networks. The long distance transmission capability of a high speed signal is a key component in the development speed of communications and services on a network. Because of this, 100G and 400G technologies are becoming key components of the world’s telecommunications industry infrastructure.
ZTE has been dedicated to research of 100G and 400G/1T high speed transmission solutions for many years, resulting in a variety of products and applications. In February 2011, ZTE transmitted a single channel 11.2Tbit/s optical signal. It also completed a 641km transmission at 1Tb/s in standard single mode fibre, a new world record at the time. In July 2011, ZTE completed a 24Tb/s (24*1.3Tb/s) WDM signal transmission.
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