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Enhancing quantum teleportation: an enable-based protocol exploiting distributed quantum gates

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Abstract

This article presents an enable-based bidirectional quantum teleportation protocol, leveraging distributed quantum gates with minimal resource requirements. The proposed protocol establishes a two-qubit entangled state as the quantum channel for the transmission of an unknown qubit message between Alice and Bob, enabling bidirectional teleportation. In traditional bidirectional teleportation protocols, both parties serve as senders and receivers, necessitating the utilization of at least two sets of a two-qubit entangled qubit for the channel (totaling four qubits). Contrarily, our contribution controls the functionality of each side via enabling qubits, enabling the implementation of bidirectional teleportation with a mere two-qubit entangled state. Furthermore, the protocol employs simple Z-basis measurements to implement the appropriate unitary operation for obtaining the teleported message. To validate the functionality of the protocol, the quantum circuit is simulated using the Qiskit library, with simulation results on the qasm simulator confirming its effectiveness. The proposed technique possesses wide-ranging applicability and can be incorporated into diverse protocols that employ Toffoli gates as quantum resources.

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Data and material availability

The codes that support the plots within the paper are publicly available on a Github repository at: https://github.com/paymanprime/enable_BQT_DQG.

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Authors and Affiliations

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Contributions

AA: Implementation, Software, Literature survey, Data Curation Investigation, Writing, Visualization. YM: Implementation, Methodology, Investigation, Analysis, Visualization. PK: Conceptualization, Software, Formal Analysis, Validation, Literature survey, Writing, Data Curation, Visualization. HA: Conceptualization, Project administration, Validation, Resources, Supervision, Writing – Review & Editing. MB: Investigation, Validation, Literature survey, Supervision. MK: Investigation, Validation, Literature survey, Supervision.

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Correspondence to Hossein Aghababa.

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Appendix 1

Appendix 1

Notations and matrix representations of the gates that are used in this paper are shown in Table

Table 4 Notations and their definition

4.

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Ahmadkhaniha, A., Mafi, Y., Kazemikhah, P. et al. Enhancing quantum teleportation: an enable-based protocol exploiting distributed quantum gates. Opt Quant Electron 55, 1079 (2023). https://doi.org/10.1007/s11082-023-05351-1

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  • DOI: https://doi.org/10.1007/s11082-023-05351-1

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