NEC

NEWS

Construction commences on Japan-Guam-Australia submarine cable system

Construction has now officially commenced on the Japan-Guam-Australia (JGA) 9,500km undersea fibre optic cable system.

JGA is being co-built by Alcatel Submarine Networks (ASN), part of Nokia and the NEC Corporation. The JGA South (JGA-S) segment between Sydney, Australia and Piti, Guam, is a consortium cable, including AARNet, Google and RTI-C, whilst the JGA North (JGA-N) segment which runs between the Minami-Boso, Japan and Piti, Guam, is a private cable with RTI-C as the sole purchaser.

NEWS

Japanese team tops 100 terabits over an optical fibre

Nippon Telegraph and Telephone (NTT) and six partners have established a new world record of 118.5Tb/s for the largest transmission capacity achieved over an optical fibre of standard dimensions.

Though the optical fibre had the same diameter as standard singlemode fibre, its structure was not standard. The design contained four cores (light paths) running along the fibre’s length.

Feature

As data demand ramps ever higher, researchers are looking to innovative amplifier designs to help transport a broader light spectrum through optical fibres, finds Andy Extance

Feature

Duncan Ellis shares his views about the increased focus on automation from network operators, and how the physical layer has so far stubbornly resisted the move

Feature

Switching off copper networks where fibre has been deployed is the end game, so why are so few operators doing it, wonders Pauline Rigby

Feature

With demand for fibre to the premises increasing, Keely Portway looks at the role training plays in ensuring installation skills remain available to meet this growing demand

Analysis and opinion