IBM Unveils 120-Qubit Nighthawk Processor Aiming for Quantum Advantage by 2026
IBM has introduced its Nighthawk quantum processor, featuring 120 qubits and enhanced connectivity, with the goal of achieving verified quantum advantage by the end of 2026. The processor includes 218 tunable couplers for increased complexity and lower error rates, and plans to boost its operational capacity from 5,000 to 10,000 two-qubit gates by 2027. Additionally, IBM is collaborating with various institutions to develop a Quantum Advantage Tracker to validate quantum results against classical methods.
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IBM has launched its first generation Nighthawk quantum processor, featuring 120 superconducting qubits arranged in a square lattice. This processor, revealed at the Quantum Developer Conference, aims to achieve verified quantum advantage by the end of 2026.
Nighthawk includes 218 tunable couplers, enhancing connectivity by 20% compared to the Heron processor, allowing for circuits with 30% more complexity while maintaining lower error rates. Currently, it can execute 5,000 two-qubit gates, with plans to increase this to 7,500 by late 2026 and 10,000 by 2027.
IBM has shifted its fabrication to a 300mm wafer facility at the Albany Nanotech Complex, improving research and development speed. Additionally, IBM introduced Quantum Loon as a testbed for fault-tolerant computing. The company is also collaborating with the Flatiron Institute, Algorithmiq, and BlueQubit on a Quantum Advantage Tracker to validate quantum results against classical methods.
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