What quantum computing company announced a breakthrough in 'scalable, on-chip cryogenic control for gate-model qubits' in January 2026?

In January 2026, the quantum computing company D-Wave Quantum Inc. announced a significant advancement in the field with a breakthrough in scalable, on-chip cryogenic control for gate-model qubits. This achievement is particularly noteworthy because D-Wave has historically been recognized for its work in quantum annealing systems, making this a strategic expansion into the gate-model quantum computing space.

The core of this innovation lies in addressing a major hurdle in building larger, more powerful quantum computers: the "wiring bottleneck." As the number of qubits increases, so does the complexity and quantity of wiring needed to control them, which can lead to issues with heat load and signal degradation at the extremely low temperatures required for quantum operation. D-Wave's new approach leverages its existing on-chip cryogenic control technology, previously used in its annealing systems, to manage many qubits with significantly fewer wires, thereby maintaining qubit fidelity while drastically reducing complexity.

This development is crucial for the future of commercially viable gate-model quantum computers. By integrating control logic directly onto the quantum processor, D-Wave aims to enable the construction of larger processors with a smaller footprint. The company's work, which included collaboration with the NASA Jet Propulsion Laboratory, utilizes superconducting qubits, which are known for their fast gate execution times compared to other quantum technologies. This breakthrough positions D-Wave to further its goal of delivering scalable, commercial-grade gate-model systems.