Fiber Optic Cable

Fiber Optic Cable

Bringing Legacy Fiber Optic Cables Up to Speed
A new optics technology boosts data rates on legacy fiber optic cables to 10 gigabits per second
By Jeff Hecht
Cailabs' AROONA device required in the network core for links < 800 m (0.5 miles).
Photo: Atypix

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Installing optical fibers with fat cores once seemed like a good idea for local-area or campus data networks. It was easier to couple light into such “multimode” fibers than into the tiny cores of high-capacity “singlemode” fibers used for long-haul networks.