Optical Networking

Cloud & Infra 6 min Why AI Training Is Reviving Optical Circuit Switching Nvidia has now put US$6bn into photonics components and US$125m into a switching startup. It does not sell opt... KE Kenji Tanaka 3 Sep Cloud & Infra 7 min China Supplies All the World's Erbium, and Erbium Is What Makes Long-Haul Fibre Work Coverage of rare earths is written about magnets. The exposure that reaches a data centre runs through erbium,... KE Kenji Tanaka 1 Sep