A Protocol for Bidirectional Quantum Secure Communication Based on Genuine Four-Particle Entangled States

Deterministic secure quantum communication using four-particle genuine entangled state and entanglement swapping

Bidirectional Quantum Secure Communication Based on One-Dimensional Four-Particle Cluster States

controller independent controlled bidirectional quantum secure direct communication protocol based on four-particle cluster states

Quantum Secure Direct Communication with Four-Particle Genuine Entangled State and Dense Coding

Significance of Bell States Over Four-Qubit Entangled States in Quantum Bidirectional Direct Communication Protocols

Bidirectional quantum secure communication scheme based on Bell states and auxiliary particles