3 papers
quant-ph2026
High-speed phase-encoded quantum secure direct communication over 11.4 km heterogeneous free-space and fiber links
Ze-Zhou Sun, Yuan-Bin Cheng, Yu-Chen Liu +5
Robust quantum transmission is driving a new paradigm in space-ground quantum networking. Although phase encoding has been widely adopted in terrestrial fiber channels, it has long…
quant-ph2025
Quantum Semantic Communication Beyond the Shannon-Wyner Channel Capacity
Min Wang, Gui-Fa Zhu, Guo-Fei Long +5
Quantum Secure Direct Communication (QSDC), a paradigm-shifting breakthrough in quantum communication, exploits quantum states for unmediated information transmission. Rooted in th…
quant-ph2024
The Evolution of Quantum Secure Direct Communication: On the Road to the Qinternet
Dong Pan, Gui-Lu Long, Liuguo Yin +5
Communication security has to evolve to a higher plane in the face of the threat from the massive computing power of the emerging quantum computers. Quantum secure direct communica…