Long-distance quantum communication with ``polarization maximally entangled states

DOI10.1016/J.AOP.2010.02.001zbMATH Open1188.81035arXiv0809.3661OpenAlexW3102162445WikidataQ61152496 ScholiaQ61152496MaRDI QIDQ972513

B. E. Eshmatov

Publication date: 19 May 2010

Published in: Annals of Physics (Search for Journal in Brave)

Abstract: We propose a scheme for long-distance quantum communication where the elementary entanglement is generated through two-photon interference and quantum swapping is performed through one-photon interference. Local "polarization" maximally entangled states of atomic ensembles are generated by absorbing a single photon from on-demand single-photon sources. This scheme is robust against phase fluctuations in the quantum channels, moreover speeds up long-distance high-fidelity entanglement generation rate.

Full work available at URL: https://arxiv.org/abs/0809.3661

zbMATH Keywords

quantum entanglementquantum repeateratomic ensemble

Mathematics Subject Classification ID

Quantum optics (81V80) Quantum coherence, entanglement, quantum correlations (81P40) Quantum information, communication, networks (quantum-theoretic aspects) (81P45)

Cites Work

• Quantum cryptography based on Bell’s theorem

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