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Long-distance quantum communication with atomic ensembles and linear optics

Author

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  • L.-M. Duan

    (Institut für Theoretische Physik, Universität Innsbruck
    Laboratory of Quantum Communication and Computation, USTC)

  • M. D. Lukin

    (Harvard University)

  • J. I. Cirac

    (Institut für Theoretische Physik, Universität Innsbruck)

  • P. Zoller

    (Institut für Theoretische Physik, Universität Innsbruck)

Abstract

Quantum communication holds promise for absolutely secure transmission of secret messages and the faithful transfer of unknown quantum states. Photonic channels appear to be very attractive for the physical implementation of quantum communication. However, owing to losses and decoherence in the channel, the communication fidelity decreases exponentially with the channel length. Here we describe a scheme that allows the implementation of robust quantum communication over long lossy channels. The scheme involves laser manipulation of atomic ensembles, beam splitters, and single-photon detectors with moderate efficiencies, and is therefore compatible with current experimental technology. We show that the communication efficiency scales polynomially with the channel length, and hence the scheme should be operable over very long distances.

Suggested Citation

  • L.-M. Duan & M. D. Lukin & J. I. Cirac & P. Zoller, 2001. "Long-distance quantum communication with atomic ensembles and linear optics," Nature, Nature, vol. 414(6862), pages 413-418, November.
    • Handle: RePEc:nat:nature:v:414:y:2001:i:6862:d:10.1038_35106500
    DOI: 10.1038/35106500
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    Cited by:

    1. Tulio Brito Brasil & Valeriy Novikov & Hugo Kerdoncuff & Mikael Lassen & Eugene S. Polzik, 2022. "Two-colour high-purity Einstein-Podolsky-Rosen photonic state," Nature Communications, Nature, vol. 13(1), pages 1-5, December.
    2. Simon Hönl & Youri Popoff & Daniele Caimi & Alberto Beccari & Tobias J. Kippenberg & Paul Seidler, 2022. "Microwave-to-optical conversion with a gallium phosphide photonic crystal cavity," Nature Communications, Nature, vol. 13(1), pages 1-9, December.
    3. Pei Zeng & Hongyi Zhou & Weijie Wu & Xiongfeng Ma, 2022. "Mode-pairing quantum key distribution," Nature Communications, Nature, vol. 13(1), pages 1-11, December.
    4. Ming-Hao Jiang & Wenyi Xue & Qian He & Yu-Yang An & Xiaodong Zheng & Wen-Jie Xu & Yu-Bo Xie & Yanqing Lu & Shining Zhu & Xiao-Song Ma, 2023. "Quantum storage of entangled photons at telecom wavelengths in a crystal," Nature Communications, Nature, vol. 14(1), pages 1-8, December.
    5. Lai Zhou & Jinping Lin & Yumang Jing & Zhiliang Yuan, 2023. "Twin-field quantum key distribution without optical frequency dissemination," Nature Communications, Nature, vol. 14(1), pages 1-8, December.
    6. M. Businger & L. Nicolas & T. Sanchez Mejia & A. Ferrier & P. Goldner & Mikael Afzelius, 2022. "Non-classical correlations over 1250 modes between telecom photons and 979-nm photons stored in 171Yb3+:Y2SiO5," Nature Communications, Nature, vol. 13(1), pages 1-8, December.
    7. Cao, Zhuo-Liang & Yang, Ming, 2004. "Probabilistic teleportation of unknown atomic state using W class states," Physica A: Statistical Mechanics and its Applications, Elsevier, vol. 337(1), pages 132-140.
    8. Yang, Ming & Cao, Zhuo-Liang, 2004. "Entanglement distillation for W class states," Physica A: Statistical Mechanics and its Applications, Elsevier, vol. 337(1), pages 141-148.
    9. Valeria Vento & Santiago Tarrago Velez & Anna Pogrebna & Christophe Galland, 2023. "Measurement-induced collective vibrational quantum coherence under spontaneous Raman scattering in a liquid," Nature Communications, Nature, vol. 14(1), pages 1-7, December.
    10. Hugo Molinares & Bing He & Vitalie Eremeev, 2023. "Transfer of Quantum States and Stationary Quantum Correlations in a Hybrid Optomechanical Network," Mathematics, MDPI, vol. 11(13), pages 1-18, June.
    11. Terence Blésin & Wil Kao & Anat Siddharth & Rui N. Wang & Alaina Attanasio & Hao Tian & Sunil A. Bhave & Tobias J. Kippenberg, 2024. "Bidirectional microwave-optical transduction based on integration of high-overtone bulk acoustic resonators and photonic circuits," Nature Communications, Nature, vol. 15(1), pages 1-10, December.

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