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D-Wave has announced a breakthrough in connecting its upcoming gate model quantum computer using semiconductor technology, reducing the number of control wires from thousands to a fraction. The challenge of connecting quantum units to classical machines is significant, as multiple physical qubits are needed to create logical qubits, which increases wiring complexity and heat generation.

D-Wave's solution involves bump bonding, a technique to stack components without extensive wiring, in partnership with Minnesota's SkyWater Technology. The new design integrates on-chip control with the quantum processor, maintaining superconducting connections to avoid heat generation.

This approach allows for scalability and modularity, enabling the addition of more quantum processing units as needed. D-Wave leverages its experience from quantum annealing systems, already in commercial use, to enhance the functionality of its gate model computers.