A 3D integrated transmon system achieves 99.87% single-qubit and 97.5% CZ gate fidelities with interchip entanglement, showing vertical tunable couplers enable scalable superconducting quantum processors.
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Superconducting diodes provide coherent nonreciprocal qubit-qubit coupling and realize a nonreciprocal half-iSWAP gate in cQED architectures.
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Breaking the scalability barrier via a vertical tunable coupler in 3D integrated transmon system
A 3D integrated transmon system achieves 99.87% single-qubit and 97.5% CZ gate fidelities with interchip entanglement, showing vertical tunable couplers enable scalable superconducting quantum processors.
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Nonreciprocal quantum information processing with superconducting diodes in circuit quantum electrodynamics
Superconducting diodes provide coherent nonreciprocal qubit-qubit coupling and realize a nonreciprocal half-iSWAP gate in cQED architectures.