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This research validates D-Wave's strategic pivot toward gate-model quantum computing by demonstrating high-fidelity entangling gates for dual-rail erasure qubits, a critical step toward fault-tolerant architectures. The breakthrough effectively converts dominant photon loss events into detectable errors and suppresses bit-flip noise to parts per million levels, significantly improving the viability of surface-code error correction protocols.

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D-Wave Demonstrates Two-Qubit Gate Breakthrough for Dual-Rail Erasure Qubits in Nature

Quantum Computing ReportAugust 6, 20263 min read

a, Schematic of a two dual-rail cavity qubit system. b, Diagram of the SWS gate sequence between two dual-rail cavity qubits. c, Schematic of photon population during the gate sequence for the four basis states. Quantum hardware developer D-Wave Quantum Inc. (NASDAQ: QBTS) has published peer-reviewed research in Nature demonstrating a fast, high-fidelity two-qubit entangling [...] The post D-Wave Demonstrates Two-Qubit Gate Breakthrough for Dual-Rail Erasure Qubits in Nature appeared first on Quantum Computing Report.

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