Infinera, a start-up based in Sunnyvale, California, announced the first commercial deployment of its Photonic Integrated Circuit technology. Germany's freenet is operating a nationwide network of Infinera DTNs. Unlike conventional optical systems, which use analog optical devices for key networking functions, the Infinera DTN uses digital technology. Infinera has created its own photonic chips that combine dozens of active and passive devices for managing light. The chips converts all traffic from optical to electronic signals, allowing the...