In this paper, an improved controlled bidirectional quantum teleportation protocol of the special three-qubit state is proposed. In a little bit more detail, under the control of the third supervisor Charlie, Alice wants to send one special three-qubit entangled state to Bob, and at the meantime, Bob also wants to transmit another special three-qubit entangled state to Alice. In other words, both Alice and Bob can be the sender and receiver simultaneously. To achieve this aim, a specific eleven-qubit entangled state is shared among Alice, Bob and Charlie in advance acting as the quantum channel. Then, Alice and Bob first implement the GHZ-state measurement and Bell-state measurement respectively, and following Charlie’s single-qubit measurement. Finally, upon the foregoing measurement results, Alice and Bob can respectively implement the specific unitary operators on their local particles to recover the initial state transmitted by the other.

本文提出了一种改进的特殊三量子位态受控双向量子隐形传态协议。更详细一点，在第三个监督者查理的控制下，爱丽丝想向鲍勃发送一个特殊的三量子比特纠缠态，同时鲍勃还想向爱丽丝发送另一个特殊的三量子比特纠缠态。换句话说，Alice 和 Bob 都可以同时是发送者和接收者。为了实现这一目标，Alice、Bob 和 Charlie 预先共享了一个特定的 11 个量子比特纠缠态，作为量子通道。然后，Alice 和 Bob 首先分别进行 GHZ 状态测量和 Bell 状态测量，并遵循 Charlie 的单量子位测量。最后，根据上述测量结果，