Building the world’s most
scalable quantum computer.
Qluster is developing a scalable continuous-variable photonic quantum computer to overcome the limits of today’s processors and unlock industrial-grade power
Vision
Scaling quantum computing requires rethinking its architecture from the ground up
Quantum computing has reached a point where incremental improvements are no longer enough. To unlock real-world impact, quantum machines must scale to millions of qubits while remaining stable, energy-efficient, and economically viable. At Qluster, we believe this is only possible by embracing a photonic, measurement-based approach that separates computational power from hardware complexity.
Mission
Design and build the most scalable fault-tolerant quantum computer
Starting from industry requirements to achieve useful quantum computation, we leverage the unique properties of light (room temperature computation, low decoherence, and modular connectivity) to develop and build rack-mounted systems that will integrate into today’s data centres.
Our goal is to provide the hardware needed to run complex simulations in chemistry or machine learning and optimization tasks, turning quantum potential into a standard industrial tool.
Market demand is rapidly converging on quantum computers with millions of physical qubits, and photonic computing stands as the only viable path to meet this requirement and unlock full industrial-scale impact.
We don’t just build qubits; we engineer the photonic infrastructure that allows them to operate at scale.
Trusted by partners and ecosystem
Qluster is rooted in a world-class scientific and industrial ecosystem. As a spin‐off from Sorbonne University’s Laboratoire Kastler Brossel (LKB), we build on decades of pioneering work in photonic quantum technologies. Our partners and supporters include leading academic institutions and public innovation programs, alongside a growing network of industrial and institutional supporters committed to building Europe’s quantum future.










