SOUTHAMPTON, UK – Some 98% of all intercontinental telephone calls, internet traffic, emails, messaging and private data traffic are carried as digital data by fibre optic cables laid by specialist ships across the world’s oceans. Today’s cables, typically 25mm in diameter and weighing some 1.5 tonnes/km, are a far cry from the first working cables, laid in 1853 and linking Great Britain with Ireland, Belgium and the Netherlands.
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
Robin Mersh takes a look at how the industry is creating next-generation optical access fit for 5G
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