Communications of the ACM
IBM's Latest Quantum Computing Processor Triples the Qubits of its Predecessor
IBM is scaling up its quantum computing efforts with the aim of building a system with 4,000-plus qubits by 2025. It's currently on target with its roadmap. Next up is a 1,121-cubit chip called Condor that IBM hopes to debut next year.
Credit: Ryan Lavine/IBM
IBM's latest quantum computing processor marks a notable step forward for its ambitions in the field. At the IBM Quantum Summit 2022, the company announced Osprey, which has the largest qubit count of any of its processors at 433 quantum bits. That's more than triple the number of cubits that the Eagle chip, which IBM revealed last November, has. IBM said it built on top of the 127-cubit Eagle's architecture by keeping qubits on a single plane with the help of multi-level wiring.
"Unlike classical bits which have to be in a state of either one or zero, qubits can exist in a complex mix of both, tapping into the fundamental quantum nature of matter at subatomic levels," IBM said in a press release. "As a result, quantum computers offer the possibility of vastly increased computing power that can be used to tackle calculations of much greater complexity in fields such as artificial intelligence, and the design of new materials for drug discovery and energy research."
The company is scaling up its quantum computing efforts with the aim of building a system with 4000-plus qubits by 2025. It's currently on target with its roadmap. Next up is a 1,121-cubit chip called Condor that IBM hopes to debut next year.
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