submarine cables

NEWS

Infinera submarine field trial reaches record-breaking 6.21b/s/Hz

Infinera has successfully completed of a series of submarine field trials over MAREA, a 6,600km submarine cable between Virginia Beach, Virginia and Bilbao, Spain. The trials used the company’s fourth-generation Infinite Capacity Engine (ICE4) advanced coherent technology to help achieve new records for trans-Atlantic real-time spectral efficiency.

NEWS

NPL research demonstrates how submarine fibre cables could be used to detect earthquakes

The undersea cables used for communications could be used to detect underwater earthquakes according to scientists at the National Physical Laboratory (NPL) and Istituto Nazionale di Ricerca Metrologica (INRiM, Italy), who have developed a new method of using the cables as ‘acoustic sensors.’

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Feature

Cost and compatibility can make a compelling case for pushing 100Gb/s bandwidth over a single optical channel, both as individual links and supporting 400Gb/s Ethernet, finds Andy Extance

Analysis and opinion
Analysis and opinion
Feature

Robin Mersh takes a look at how the industry is creating next-generation optical access fit for 5G

Feature

Technological advances to aid the increasing demand for bandwidth, on the path towards the terabit network, should lead to optical signals that are flexible and adaptive, like water, argues Dr Maxim Kuschnerov and Dr Yin Wang