Communications of the ACM
Quantum Advantage Next Goal in Race for New Computer Age
"Demonstrating a quantum advantage is a long-sought-after goal in the community, and very few experiments have been able to show it," said the University of Arizona's Zheshen Zhang.
Credit: University of Arizona
Experts envision quantum advantage, the measured success of processing a real-world problem faster on a quantum computer than on a classic computer, as the next step in the race toward practical quantum computing applications.
Matt Johnson at quantum software company QC Ware said, "The challenge is to be among the first to help enterprise customers get quantum speed-up."
Technology developers suggest noisy intermediate-scale quantum systems could be tapped to make small advances toward real-world quantum apps.
IBM in November released its first system using 127 quantum bits (qubits), and verified plans to exceed 1,000 qubits within two years.
IBM CEO Chad Rigetti anticipates systems featuring 4,000 qubits will be available in 2026, which "should carry us through the milestones of narrow and then broad quantum advantage."
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