OptQC and NTT have formed a strategic partnership to drive the development of large-scale optical quantum computing, with a focus on creating a fault-tolerant, one-million-qubit-class system. This alliance will facilitate joint research, commercialization efforts, and supply chain development, ultimately aiming to bring optical quantum computing to real-world applications in fields such as finance, manufacturing, and medicine. The collaboration will also explore use cases and system design for scalable optical quantum computing technologies. By combining their expertise, OptQC and NTT seek to overcome the technical challenges associated with large-scale quantum computing and pave the way for widespread adoption. This partnership matters because it has the potential to significantly accelerate the development of practical quantum computing solutions, enabling organizations to tackle complex problems in various industries1.