Submarine cables know no boundaries

When the world’s first transatlantic cable failed in 1858 – just three weeks after it had been inaugurated with a congratulatory telegram from Queen Victoria to US President James Buchanan – it took eight years until a replacement was operational. The cable, made of copper wires insulated with natural latex from the gutta-percha tree, probably had manufacturing faults and burnt out when its electric load was cranked up to compensate for rapidly deteriorating signal strength.


Six months after it became mandatory for copper and fibre cables supplied to EU/EEA member states to comply with the Construction Product Regulation and carry CE marking, Keely Portway asks what, if any, effect this has had on cable suppliers


To continue growing data traffic, optical scientists are tackling tough questions about nonlinear effects in optical fibre, discovers Andy Extance 


January of this year saw Jerry Rawls step down as chief executive of Finisar, a company he had grown from obscurity to worldwide success. He talks to Rebecca Pool about building his empire, the firm’s new CEO and a future that could include Oclaro*