Realizing Scalable Quantum Processing Units (QPUs): Achievements and Prospects from IQM Finland Oy

The pursuit of large-scale quantum computing systems has emerged as a paramount objective in the contemporary scientific and technological landscape. Within this context, IQM Finland Oy, an avant-garde hardware quantum computing enterprise, has positioned itself at the forefront of this transformative endeavor. Our 200mm wafer-level production for our Quantum Processing Units (QPUs) encompasses various critical aspects that contribute to the realization of large-scale quantum computers. Focusing on the development of quantum processors based on superconducting circuits, we present our latest achievements in the field. High yield, extended qubit coherence time, exceptional uniformity, and advanced 3D integration techniques have all played integral roles in our journey. This significant achievement not only demonstrates our commitment to scalability but also paves the way for cost-effective mass production of quantum processors.