Over the past few years, and most notably in 2023, quantum error correction has made big strides, shifting the community focus from noisy applications to what can be achieved with early error-corrected quantum computers. But despite the breakthroughs in experiments with trapped ions, superconducting circuits and reconfigurable atom arrays there are still several technological challenges — unique to each platform — to overcome. Despite recent breakthroughs in quantum error correction experiments with trapped ions, superconducting circuits and reconfigurable atom arrays, there are still several technological challenges to overcome.

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Nature

Advances in quantum error correction have shifted the focus towards early error-corrected quantum computers. Key advances include the suppression of logical errors in superconducting qubits, fault-tolerant logic in reconfigurable atom arrays, and improvements in hardware-efficient QEC and real-time decoders.

A series of fast-paced advances in Quantum Error Correction