Controlled Asymmetric Bidirectional Hybrid of Remote State Preparation and Quantum Teleportation

We propose a protocol of Asymmetric implementing controlled joint remote state preparation and meanwhile realizing controlled quantum teleportation. That is to say, Alice wants to teleport an arbitrary two-qubit state to Bob, and Bob wants to remotely prepare a known state for Alice via the control of supervisors Charlie. Compared with previous studies for the schemes of solely bidirectional quantum teleportation, the new protocol is a kind of hybrid approach of information communication which makes the quantum channel multipurpose.