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IBM Releases Nighthawk r2 QPU Featuring Active Dissipative Qubit Reset and 25x Circuit ...
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Fusion42 · 3 September 2026 · Fusion42 review
IBM announced the release of its fastest quantum processor, the Nighthawk r2 QPU, featuring a novel dissipative qubit reset technology that reduces idle times and increases circuit throughput by 25x compared to its predecessor. The 120-qubit processor also demonstrated a 12x speedup in neutron-scattering simulations and achieved significant error reduction in qubit initialization.
This Wire brief sits within Fusion42's coverage of Quantum Computing.
◆ ◆ The Wire takeaway
IBM's new quantum processor slashes wait times between operations, pushing quantum computing into practical simulation territory faster. You face a rising bar for speed and error rates if you're building tools or algorithms that depend on rapid quantum circuit execution.
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1 source · 2 Sep 2026
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