Quantum secure direct communication with high-dimension quantum superdense coding
Chuan Xi Wang, Fu‐Guo Deng, Yansong Li, Xiao-Shu Liu, Gui Lu Long · Physical Review A · 2005
A protocol for quantum secure direct communication with quantum superdense coding is proposed. It combines the ideas of block transmission, the ping-pong quantum secure direct communication protocol, and quantum superdense coding. It has the advantage of being secure and of high source capacity.