VEXLUM is the leading provider of single-frequency VECSELs.

VEXLUM, located in Tampere Finland, is the leading provider of single-frequency VECSELs (vertical-external-cavity surface-emitting lasers, also known as optically pumped semiconductor lasers, OPSLs) for applications in Atomic, Molecular, and Optical (AMO) physics, such Quantum Computing and Optical Atomic Clocks. Vexlum VECSEL platform is currently advancing towards a compact industrial form factor to enable field deployment.