Telecom and Networking

SDN dreams

Is hardware turning soft? Yes, if you listen to IT vendors. Almost all IT technologies are pushing to direction being “software defined”. Software Defined Networking (SDN) — turning features that were once hardware into apps or part of the networking layer or running as apps on servers. The Register article SDN’s dream: Use what you’ve

Laser diodes history

Once the weaklings of the laser world, unable to emit a few milliwatts continuously at room temperature, laser diodes have become workhorses. Today they power the Internet, pump multikilowatt lasers, and weld plastics. There’s a lot of innovation in those tiny chips. Photonic Frontiers: Laser diodes: Looking back/Looking forward: Laser diodes have come a long