45% longer coherence
Repetitive quantum error correction improves coherence time of entangled logical qubits by 45% compared with unprotected counterparts, and Bell inequality violation is demonstrated after error detection and post-selection.
Cai, Weizhou · Mu, Xianghao · Wang, Weiting · Jie, Zhou · Yuwei, Ma · Pan, X. · Hua, Z. · Liu, Xinyu · Xue, Guangming · Yu, Haifeng · Wang, Haiyan · Song, Yipu · Zou, Changling · Sun, Luyan
Nature Physics 2024
Coherence time of entangled logical qubits improved by 45% compared with unprotected counterparts
Bell inequality violation achieved by purified entangled logical qubits via independent error detection and post-selection