Rigetti computing launches 84-qubit ankaa™-3 system; achieves 99.5% median two-qubit gate fidelity milestone

Ankaa-3 features a broad hardware redesign enabling superior performance. enhancements across the technology stack include a new cryogenic hardware design, an overhaul of the qubit circuit layout, precise qubit frequency targeting with alternating-bias assisted annealing, and flexible gate architecture with precise controls.
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