Decoy-state reference-frame-independent quantum key distribution with the heralded pair-coherent sourceXiang Li, Chenchen Mao, Jianrong Zhu, Chunmei Zhang and Qin WangEur. Phys. J. D, 73 5 (2019) 86DOI: https://doi.org/10.1140/epjd/e2019-100001-x