Fe b 20 22 Twin-field quantum key distribution can tolerate arbitrary loss-independent misalignment error

Hong-Wei Li, ∗ Rui-Qiang Wang, Chun-Mei Zhang, and Qing-Yu Cai † Henan Key Laboratory of Quantum Information and Cryptography, SSF IEU, Zhengzhou 450000, China CAS Key Laboratory of Quantum Information, University of Science and Technology of China, Hefei, Anhui 230026, China Institute of Quantum Information and Technology, Nanjing University of Posts and Telecommunications, Nanjing 210003, China School of Information and Communication Engineering, Hainan University, Haikou 570228, China (Dated: February 22, 2022)