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IEEE Photonics Conference

Cluster States-based Quantum Networks

Ivan B. Djordjević

Published Sep 1, 2020• 3 citations
Publisher

Abstract

We propose to implement multipartite quantum communication network (QCN) by employing the cluster- state-based concept. The proposed QCN can be used to: (i) perform distributed quantum computing, (ii) teleport quantum states between any two nodes in QCN, and (iii) enable next generation of cyber security systems.
DOI
10.1109/ipc47351.2020.9252479

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In this paper, we propose the surface codes (SCs)-based multipartite quantum communication networks (QCNs). We describe an approach that enables us to simultaneously entangle multiple nodes in an arbitrary network topology based on the SCs. We also describe how to extend the transmission distance between arbitrary two nodes by using the SCs. The numerical results indicate that transmission distance between nodes can be extended to beyond 1000 km by employing simple syndrome decoding. Finally, we describe how to operate the proposed QCN by employing the software-defined networking (SDN) concept.
A protocol of quantum communication is proposed in terms of the multi-qubit quantum teleportation through cluster states (Phys. Rev. Lett. \textbf{86}, 910 (2001)). Extending the cluster state based quantum teleportation on the basic unit of three qubits (or qudits), the corresponding multi-qubit network is constructed for both the qubits and qudits (multi-level) cases. The classical information costs to complete this communication task is also analyzed. It is also shown that this quantum communication protocol can be implemented in the spin-spin system on lattices.
The aim of this tutorial is to introduce the field of quantum computation and communication. Evolution of quantum computation starting from the Quantum Turing Machine model will be briefly given. Then the circuit model using quantum gates is presented together with representative quantum algorithms that are executed more efficiently on a quantum computer. The recent quantum cluster-state model is then presented. Implementation considerations are also briefly outlined. Quantum communication concepts with particular emphasis on quantum key distribution for secure communication are presented. Achievements so far in the quantum network project supported by DARPA is briefly outlined. Finally, some basic ideas regarding quantum Internet will be given.