Mutual entity authentication of quantum key distribution network system using authentication qubitsHojoong Park, Byung Kwon Park, Min Ki Woo, Min-Sung Kang, Ji-Woong Choi, Ju-Sung Kang, Yongjin Yeom and Sang-Wook HanEPJ Quantum Technol., 10 1 (2023) 48DOI: https://doi.org/10.1140/epjqt/s40507-023-00205-x