Quantum Two-Way Protocol Beyond Superdense Coding: Joint Transfer of Data and Entanglement

In this article, we introduce a generalization of one-way superdense coding to two-way communication protocols for transmitting classical bits by using entangled quantum pairs. The proposed protocol jointly addresses the provision of entangled pairs and superdense coding, introducing an integrated a...

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Main Authors: Kristian S. Jensen, Lorenzo Valentini, Rene B. Christensen, Marco Chiani, Petar Popovski
Format: Article
Language:English
Published: IEEE 2025-01-01
Series:IEEE Transactions on Quantum Engineering
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Online Access:https://ieeexplore.ieee.org/document/10836906/
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author Kristian S. Jensen
Lorenzo Valentini
Rene B. Christensen
Marco Chiani
Petar Popovski
author_facet Kristian S. Jensen
Lorenzo Valentini
Rene B. Christensen
Marco Chiani
Petar Popovski
author_sort Kristian S. Jensen
collection DOAJ
description In this article, we introduce a generalization of one-way superdense coding to two-way communication protocols for transmitting classical bits by using entangled quantum pairs. The proposed protocol jointly addresses the provision of entangled pairs and superdense coding, introducing an integrated approach for managing entanglement within the communication protocol. To assess the performance of the proposed protocol, we consider its data rate and resource usage, and we analyze this both in an ideal setting with no decoherence and in a more realistic setting where decoherence must be taken into account. In the ideal case, the proposal offers a 50% increase in both data rate and resource usage efficiency compared to conventional protocols. Even when decoherence is taken into consideration, the quantum protocol performs better as long as the decoherence time is not extremely short. Finally, we present the results of implementing the protocol in a computer simulation based on the NetSquid framework. We compare the simulation results with the theoretical values.
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issn 2689-1808
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series IEEE Transactions on Quantum Engineering
spelling doaj-art-72e48806ab404dbeb660fa33e6b680982025-02-06T00:00:59ZengIEEEIEEE Transactions on Quantum Engineering2689-18082025-01-0161810.1109/TQE.2025.352823810836906Quantum Two-Way Protocol Beyond Superdense Coding: Joint Transfer of Data and EntanglementKristian S. Jensen0https://orcid.org/0009-0008-1779-7163Lorenzo Valentini1https://orcid.org/0000-0002-8417-6454Rene B. Christensen2https://orcid.org/0000-0002-9209-3739Marco Chiani3https://orcid.org/0000-0001-8782-8318Petar Popovski4https://orcid.org/0000-0001-6195-4797Department of Electronic Systems, Aalborg University, Aalborg, DenmarkCNIT/National Laboratory of Wireless Communications, Department of Electrical, Electronic and Information Engineering, University of Bologna, Bologna, ItalyDepartment of Electronic Systems, Aalborg University, Aalborg, DenmarkCNIT/National Laboratory of Wireless Communications, Department of Electrical, Electronic and Information Engineering, University of Bologna, Bologna, ItalyDepartment of Electronic Systems, Aalborg University, Aalborg, DenmarkIn this article, we introduce a generalization of one-way superdense coding to two-way communication protocols for transmitting classical bits by using entangled quantum pairs. The proposed protocol jointly addresses the provision of entangled pairs and superdense coding, introducing an integrated approach for managing entanglement within the communication protocol. To assess the performance of the proposed protocol, we consider its data rate and resource usage, and we analyze this both in an ideal setting with no decoherence and in a more realistic setting where decoherence must be taken into account. In the ideal case, the proposal offers a 50% increase in both data rate and resource usage efficiency compared to conventional protocols. Even when decoherence is taken into consideration, the quantum protocol performs better as long as the decoherence time is not extremely short. Finally, we present the results of implementing the protocol in a computer simulation based on the NetSquid framework. We compare the simulation results with the theoretical values.https://ieeexplore.ieee.org/document/10836906/Quantum communicationsuperdense codingtime-division duplexingtwo-way communication
spellingShingle Kristian S. Jensen
Lorenzo Valentini
Rene B. Christensen
Marco Chiani
Petar Popovski
Quantum Two-Way Protocol Beyond Superdense Coding: Joint Transfer of Data and Entanglement
IEEE Transactions on Quantum Engineering
Quantum communication
superdense coding
time-division duplexing
two-way communication
title Quantum Two-Way Protocol Beyond Superdense Coding: Joint Transfer of Data and Entanglement
title_full Quantum Two-Way Protocol Beyond Superdense Coding: Joint Transfer of Data and Entanglement
title_fullStr Quantum Two-Way Protocol Beyond Superdense Coding: Joint Transfer of Data and Entanglement
title_full_unstemmed Quantum Two-Way Protocol Beyond Superdense Coding: Joint Transfer of Data and Entanglement
title_short Quantum Two-Way Protocol Beyond Superdense Coding: Joint Transfer of Data and Entanglement
title_sort quantum two way protocol beyond superdense coding joint transfer of data and entanglement
topic Quantum communication
superdense coding
time-division duplexing
two-way communication
url https://ieeexplore.ieee.org/document/10836906/
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