Showing 1–25 of 3699 results

  1. 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...
  2. 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...
  3. Research |

  4. Reviews |

    • The field of quantum algorithms aims to find ways... ...computational problems by using a quantum computer. A key milestone... ...will be when a universal quantum computer performs a computational task... ...computer, an event known as quantum supremacy. This would be... ...-scale quantum computing,...
  5. Reviews |

    • A practical quantum computer must not merely store... information, but also process it.... ...qubits. But to convert these quantum devices from memories to processors... ...those that use high-dimensional quantum codes in a modular architecture...
  6. News and Views |

  7. Reviews |

    • ...be completely broken once large quantum computers exist. Post-quantum cryptography is cryptography under the... ...the attacker has a large quantum computer; post-quantum cryptosystems strive to remain secure... ...mathematical operations for which quantum algorithms offer little advantage...
  8. Comments and Opinion |

    • ...about to have its first quantum computers. The complexity and... power of quantum hardware, such as ion... ...through the billion-dollar European Quantum Technology Flagship Program, for... ...first dedicated facility for making quantum integrated circuits: Fab-1... ...commercial quantum-...
  9. Research |

  10. Research |

    • Qubits, the quantum version of bits, are... constructed from two-level quantum systems, but in principle... a quantum information processor could exploit higher-dimensional... quantum systems for operation. These... ...qubits can increase sensitivity in quantum imaging and can boost quantum...quantum
  11. Research |

    • Quantum key distribution (QKD) uses... individual light quanta in quantum superposition states to guarantee unconditional... ...to establish a global-scale quantum network, owing to the... ...space-to-ground link for quantum-state transmission paves the way... to global-scale quantum networks.
  12. News and Views |

    • Quantum objects that can hold more... information than quantum bits have been generated and... ...way for advanced protocols in quantum information processing. See Letter p....
  13. Research |

  14. 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—...
  15. News |

  16. 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...
  17. News |

    • Logic-defying experiments in quantum causality can twist the notion...
  18. Comments and Opinion |

    • ...that we need to test quantum gravity experimentally ( ...However, the idea of measuring quantum superpositions of the gravitational field...
  19. 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...
  20. Research |

  21. 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...
  22. Research Highlights |

  23. Reviews |

  24. 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...
  25. Research |