Showing 1–25 of 3824 results

  1. Research |

    • A quantum computer has the potential to... ...However, constructing a large-scale quantum processor is challenging because of... ...are inherent in real-world quantum systems. One approach to... ...motivated the development of a quantum modular architecture, in which... ...quantum systems are...
  2. Research |

    • ...spins hold great promise for quantum computation because of their long... ...is a crucial step towards quantum information processing with spin qubits.... ...use photons as carriers of quantum information. Here we demonstrate strong... ...device consisting of three quantum dots. We observe...
  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. 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...
  5. Research |

    • Quantum light is characterized by distinctive... ...are possible only because of quantum mechanical effects. For example,... ...enables high-fidelity transmission of quantum information and sensing with lower noise... ...classical light sources1,2. Most quantum light sources rely on spontaneous...
  6. Research |

  7. News |

  8. Research |

  9. 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...
  10. 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...
  11. 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...
  12. Research |

    • A great challenge in current quantum science and technology research is... ...large number of individually controlled quantum bits for applications in quantum computing and quantum simulation. Many experimental platforms... ...as superconducting circuits1 or quantum dots2, and atomic,... ...Quantum...
  13. News |

  14. News and Views |

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

    • 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,...
  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 |

    • ...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...
  21. 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...
  22. 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...
  23. Research |

    • Quantum networks are distributed quantum many-body systems with tailored... topology and controlled information exchange. They are the... backbone of distributed quantum computing architectures and quantum communication. Here we present... ...prototype of such a quantum network based on single...
  24. News |

  25. 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...