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This release marks a significant architectural shift in quantum hardware, utilizing active dissipative reset to drastically reduce idle times and boost circuit throughput by 25x. By enabling dynamic mid-circuit resets on a square-lattice design, the Nighthawk r2 facilitates essential space-time error correction checks and accelerates practical simulations like neutron-scattering studies. This advancement directly addresses scalability bottlenecks, moving quantum processors closer to the fault-tolerant regimes required for complex algorithmic execution.

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IBM Releases Nighthawk r2 QPU Featuring Active Dissipative Qubit Reset and 25x Circuit Throughput

Quantum Computing ReportSeptember 2, 20262 min read

IBM Quantum has announced the official release of IBM Quantum Nighthawk r2 (deployed as ibm_phoenix), its fastest quantum processing unit (QPU) to date. Built on a square-lattice architecture, the 120-qubit processor introduces a high-speed dissipative qubit reset framework that eliminates long inter-circuit idle periods, achieving a maximum circuit throughput of over 100,000 circuits per second—a [...] The post IBM Releases Nighthawk r2 QPU Featuring Active Dissipative Qubit Reset and 25x Circuit Throughput appeared first on Quantum Computing Report.

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