High-Fidelity Hyperentangled Cluster States of Two-Photon Systems and Their Applications

At a Glance

Metadata	Details
Publication Date	2019-08-28
Journal	Symmetry
Authors	Tan Liu, Fang Zhou, Lingxia Zhang, Shao-Hua Xiang, Kehui Song
Institutions	Hunan Police Academy, Hunan Normal University
Citations	2

Abstract

An efficient scheme is proposed in this study to prepare four symmetric hyperentangled cluster states in the polarization degrees of freedom (DOF) and spatial DOF with a two-photon system. This system consists of two nitrogen-vacancy (NV) centers which are coupled to two microtoroidal resonators. The two-photon polarization-spatial hyperentangled cluster states can be generated with our system by virtue of the input and output process. Compared with previous works, our quantum circuit for preparing the hyperentangled cluster states is simple and economic. Moreover, our scheme works deterministically and does not need any extra qubits, making it applicable to existing technologies. Our calculations show that our scheme has high fidelity with current technology, which can help hyperentangled cluster states to play a very useful role in quantum communication networks with long distances and high capacity.

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Original Source

• DOI: https://doi.org/10.3390/sym11091079

References

1. 2005 - Entanglement of the Hermite-Gaussian modes states of photons [Crossref]
2. 2007 - Observation of two-photon coherence in plasmon-assisted transmission [Crossref]
3. 2007 - Complete and deterministic discrimination of polarization Bell states assisted by momentum entanglement [Crossref]
4. 2008 - Beating the channel capacity limit for linear photonic superdense coding [Crossref]
5. 2010 - Six-qubit two-photon hyperentangled cluster states: Characterization and application to quantum computation [Crossref]
6. 2011 - Bidirectional quantum secure direct communication network protocol with hyperentanglement [Crossref]
7. 2012 - Quantum superdense coding based on hyperentanglement [Crossref]
8. 2013 - Hyperentanglement purification and concentration assisted by diamond NV centers inside photonic crystal cavities [Crossref]
9. 2014 - Quantum secure direct communication network with hyperentanglement [Crossref]
10. 2015 - Three-particle hyper-entanglement: Teleportation and quantum key distribution [Crossref]

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