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Breakthrough in Quantum Computing: Error-Correcting Qubit Operations Achieved

2/7/2026

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Summary

Story summary

A team led by Professor Andreas Wallraff demonstrated quantum operations between superconducting logical qubits while correcting errors.
The approach uses surface codes that spread information across multiple physical qubits, and stabilizers monitor bit and phase flip errors.
They used lattice surgery to entangle logical qubits, marking the first application of this method on superconducting qubits.
The work represents a crucial step toward fault-tolerant quantum computers, though further advancements are needed.

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Story summary

A team led by Professor Andreas Wallraff demonstrated quantum operations between superconducting logical qubits while correcting errors.
The approach uses surface codes that spread information across multiple physical qubits, and stabilizers monitor bit and phase flip errors.
They used lattice surgery to entangle logical qubits, marking the first application of this method on superconducting qubits.
The work represents a crucial step toward fault-tolerant quantum computers, though further advancements are needed.