2 papers
quant-ph2025
Surpassing the PLOB bound in continuous-variable quantum secret sharing using a state-discrimination detector
Qin Liao, Chong Tang, Qingquan Peng +4
Continuous-variable quantum secret sharing (CVQSS) is a promising approach to ensuring multi-party information security. While CVQSS offers practical ease of implementation, its pr…
quant-ph2023
Security boundaries of an optical power limiter for protecting quantum key distribution systems
Qingquan Peng, Binwu Gao, Konstantin Zaitsev +7
Unauthorized light injection has always been a vital threat to the practical security of a quantum key distribution (QKD) system. An optical power limiter (OPL) based on the thermo…