In shallow waters, offshore wind turbines are fixed to the ocean floor. However, in deep water areas where winds are typically stronger and have the capacity to reap more than double the energy, ...

The twisted fibre design addresses both problems. Multiple cores combined with a built-in twist create protected states of light that naturally follow the twist and avoid coupling into other cores.

NEC and NTT have conducted a first-of-its-kind transoceanic-class 7,280km transmission experiment using coupled multicore fibre. The two Japanese firms expect the work they have been carrying out will ...