During the Inside Azure Innovations breakout at Build 2026, Microsoft Azure CTO, deputy CISO and technical fellow Mark Russinovich introduced Project Mosaic, an experimental optical interconnect technology from Microsoft Research Cambridge using micro-LEDs for low-power, high-speed data transmission.

A live demo led by senior researcher Kaoutar Benyahya displays individual LED modulation forming letters, proving the concept’s real-time responsiveness. Check out Mark and Kaoutar starting @ 38:38: https://msft.it/6015vdhS9