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Entanglement of single-atom quantum bits at a distance

Author

Listed:
  • D. L. Moehring

    (University of Michigan, Ann Arbor, Michigan 48109-1040, USA)

  • P. Maunz

    (University of Michigan, Ann Arbor, Michigan 48109-1040, USA)

  • S. Olmschenk

    (University of Michigan, Ann Arbor, Michigan 48109-1040, USA)

  • K. C. Younge

    (University of Michigan, Ann Arbor, Michigan 48109-1040, USA)

  • D. N. Matsukevich

    (University of Michigan, Ann Arbor, Michigan 48109-1040, USA)

  • L.-M. Duan

    (University of Michigan, Ann Arbor, Michigan 48109-1040, USA)

  • C. Monroe

    (University of Michigan, Ann Arbor, Michigan 48109-1040, USA
    University of Maryland, College Park, Maryland 20742, USA)

Abstract

Metre made The phenomenon of entanglement is a key concept in quantum information science. Atomic systems are promising candidates for quantum 'memories'. These in turn can be coupled and entangled by the exchange of photons, providing the basis of a quantum information processor. The signature of entanglement between remotely located atomic ensembles was recently demonstrated. Now Moehring et al. have achieved entanglement between two single-ion quantum memories separated by a metre. The use of single ions, rather than atomic ensembles, has certain advantages for subsequent quantum operations.

Suggested Citation

  • D. L. Moehring & P. Maunz & S. Olmschenk & K. C. Younge & D. N. Matsukevich & L.-M. Duan & C. Monroe, 2007. "Entanglement of single-atom quantum bits at a distance," Nature, Nature, vol. 449(7158), pages 68-71, September.
    • Handle: RePEc:nat:nature:v:449:y:2007:i:7158:d:10.1038_nature06118
    DOI: 10.1038/nature06118
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    Cited by:

    1. 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.

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