A new protocol for quantum secure communication with authentication is proposed. The proposed protocol has a higher capacity as each EPR pair can carry four classical bits by the XOR operation and an auxiliary photon....A new protocol for quantum secure communication with authentication is proposed. The proposed protocol has a higher capacity as each EPR pair can carry four classical bits by the XOR operation and an auxiliary photon. Tile security and efficiency are analyzed in detail and the major advantage of this protocol is that it is more efficient without losing security.展开更多
基金Supported by the Chongqing Research Program of Application Foundation and Advanced Technology under Grant No cstc2014jcyjA40028
文摘A new protocol for quantum secure communication with authentication is proposed. The proposed protocol has a higher capacity as each EPR pair can carry four classical bits by the XOR operation and an auxiliary photon. Tile security and efficiency are analyzed in detail and the major advantage of this protocol is that it is more efficient without losing security.