An efficient asymmetric bidirectional quantum teleportation protocol and the analysis of its performance over noisy environments

This research presents a new bidirectional quantum teleportation (BQT) protocol for transmitting two single-qubit states from Alice to Bob and a three-qubit entangled state from Bob to Alice, simultaneously. The protocol utilizes shared entanglement between the parties and requires performing two Bell-state measurements and a GHZ-state measurement. The protocol’s functionality is validated by implementing the circuit in the Qiskit library. Moreover, the effects of amplitude–damping noise and bit-flip noise are evaluated and analyzed. The protocol is compared with the recent schemes and its effectiveness is shown in terms of efficiency of the transmitted information. The protocol will contribute to the advancement of bidirectional quantum teleportation protocols.