Bidirectional Controlled Quantum Teleportation via Two Pairs of Bell States

We propose a bidirectional controlled teleportation scheme using two pairs of Bell states as quantum channels. This solution uses Charlie as the controlled party. After two Bell state measurements, while Alice sends any single particle state to Bob, Bob can also send any single particle state to Alice, thus successfully completing the bidirectional controlled teleportation. Our plan is also compared with several other protocols from five aspects to illustrate that the plan has certain advantages. This makes our scheme relatively simpler and easier to implement and more maneuverable.

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