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D-Wave is pivoting from a qubit-counting strategy to a dual-rail architecture that embeds error detection directly into hardware, targeting 100 logical qubits with 99.9% fidelity. By aiming for a Lambda value of 10, the company seeks a tenfold reduction in errors per correction increment, offering a credible path to commercially viable fault-tolerant quantum applications. This hardware-level error mitigation approach distinguishes its roadmap from industry peers that rely primarily on scaling physical qubit counts.

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D-Wave Targets 1 Million Operations With 100 Logical Qubits

Quantum ZeitgeistJune 2, 20265 min read

D-Wave announced a new gate-model roadmap, aiming for 100 logical qubits capable of performing over 1 million operations. This approach combines high-coherence qubits, quantum error correction, and a dual-rail architecture to accelerate the development of commercial, fault-tolerant quantum computing.

D-Wave Quantum Inc. is targeting a significant leap in quantum computing performance with a new roadmap focused on achieving 100 logical qubits capable of successfully performing over 1 million operations. Unlike many in the industry prioritizing qubit quantity, D-Wave is concentrating on building usable, error-corrected qubits through a scalable superconducting dual-rail architecture. This fundamentally different approach embeds error detection directly into each qubit, aiming to identify approximately 90% of errors as they occur, a capability absent in many other gate-model hardware designs. D-Wave has also demonstrated 99.9% two-qubit fidelities, meaning physical…

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