Jiuzhang achieves quantum supremacy

The Jiuzhang quantum computer has achieved quantum supremacy (quantum advantage), according to the study “Quantum computational advantage using photons”, published in Science on 3 December 2020. Pan Jian-Wei, professor, University of Science and Technology of China, explains how the Jiuzhang quantum computer was used. Credit: Quantum computational advantage using photons Han-Sen Zhong, Hui Wang, Yu-Hao Deng, Ming-Cheng Chen, Li-Chao Peng, Yi-Han Luo, Jian Qin, Dian Wu, Xing Ding, Yi Hu, Peng Hu, Xiao-Yan