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In this paper we develop a quantum network with a mutual quantum secure direct communication scheme based on multiparty quantum secret sharing. This quantum network, assuming to contain clusters S, M, and D, shares a sequence of single photons and Greenberger-Horne-Zeilinger (GHZ) states. Each ...
In: Proceedings. International Symposium on Information Theory, 2005. ISIT 2005. IEEE, pp. 1607–1611 (2005) Aschauer, H., Dür, W., Briegel, H.-J.: Multiparticle entanglement purification for two-colorable graph states. Phys. Rev. A 71(1), 012319 (2005) Article ADS Google Scholar ...
Distributing entanglement among multiple users is a fundamental problem in quantum networks, requiring an efficient solution. In this work, a protocol is proposed for extracting maximally entangled (|GHZn) states for any number of parties in a quantum network. It is based on the graph-state ...