Showing 1–25 of 3788 results

  1. Research |

    • Sharing information coherently between nodes of a... quantum network is fundamental to distributed... quantum information processing. In this scheme,... ...and performed on several smaller quantum registers that are connected by... ...classical and quantum channels 1 . A direct... ...quantum channel...
  2. Reviews |

    • ...for finding patterns in data. Quantum systems produce atypical patterns that... ...is reasonable to postulate that quantum computers may outperform classical computers... ...learning tasks. The field of quantum machine learning explores how to... ...implement quantum software that could...
  3. Reviews |

    • In information processing, as in physics,... ...incomplete approximation to an underlying quantum reality. Quantum effects like interference and entanglement... ...no direct role in conventional information processing, but they can—...
  4. Research Highlights |

  5. Research |

    • Quantum key distribution (QKD)1,... ...considered to be unfeasible without quantum repeaters5–7, is overcoming... ...secret-key capacity of the quantum channel 9 that connects the... ...be used to distil a quantum key. The key rate... ...does a quantum repeater,...
  6. Research |

    • Large-scale quantum networks promise to enable secure... communication, distributed quantum computing, enhanced sensing and... fundamental tests of quantum mechanics through the distribution of... ...key building block for extended quantum networks and open the door...
  7. News |

  8. Reviews |

    • Quantum computing sits at an important... ...years, high-level algorithms for quantum computers have shown considerable promise... , and recent advances in quantum device fabrication offer hope of... ...size and reliability requirements of quantum computing algorithms and the physical... ..., quantum...
  9. Research |

    • ...in control techniques for vibrational quantum states in molecules present new... ...which could be amenable to quantum simulation methods. Here, by... ...platform for a range of quantum dynamic behaviour in different molecules... ...algorithm to iteratively identify quantum states that increase a...
  10. Special Features |

    • Quantum information processors exploit the quantum features of superposition and entanglement... ...the communication and processing of information. Experimental realization of large-... scale quantum information processors remains a long-term... ...required nearly pure quantum behaviour is observed...
  11. News and Views |

    • ...1997, it was demonstrated that quantum states can be teleported from... ...consequences for the development of quantum communication and computing.
  12. News and Views |

    • ...between distant nodes of a quantum network in a deterministic way... ...smooths the path for extended quantum networks.
  13. Research |

  14. Research |

    • ...Entanglement, an essential feature of quantum theory that allows for inseparable... quantum correlations to be shared between... ...is a crucial resource for quantum networks 1 . Of particular... ...that can also serve as quantum memories. This has been...
  15. Research |

    • ...the most intriguing features of quantum mechanics. It describes non-... local correlations between quantum objects, and is at... the heart of quantum information sciences. Entanglement is now... ...ranging from condensed matter to quantum gravity. However, measuring entanglement... ...quantum...
  16. Research |

  17. Research |

    • Information—be it classical or quantum...the receiver has some prior information about the messages being conveyed... ...explore the concept of prior quantum information: given an unknown quantum state distributed over two systems... ...we determine how much quantum communication is needed to...
  18. Reviews |

    • Quantum computers hold the promise of... ...make use of the same quantum mechanical phenomena that pose limitations... ...the continued shrinking of conventional information processing devices. Many of... the key requirements for quantum computing differ markedly from those... ...information...
  19. Reviews |

    • ...Over the past several decades, quantum information science has emerged to seek... ...by storing, transmitting and processing information encoded in systems that exhibit... unique quantum properties? Today it is... ...technological goal of building a quantum computer, which would dramatically...
  20. Research |

  21. Reviews |

    • ...ranging from light technology to quantum-information processing. The strong light... ...and absorption of photons by quantum emitters. The possibility of... ...not accounted for in standard quantum optics and its recent discovery... ...research field of chiral quantum optics. The latter...
  22. News and Views |

  23. Research |

    • Quantum entanglement is a phenomenon whereby... ...key resource behind many emerging quantum technologies, including quantum computation, cryptography and metrology.... ...systems and has implications for quantum information processing, precision measurements and... ...the limits of quantum...
  24. Research |

    • ...1905 the evidence for the quantum nature of light was not... ...corpuscular character. Research on the quantum properties of light (quantum optics) triggered the evolution... ...of the whole field of quantum information processing, which now promises... ..., such as quantum cryptography...
  25. Research |

    • ...provide random bits to 13 quantum physics experiments, contradicts the...