Quantum optics articles within Nature

Featured

  • Article |

    A modular quantum system-on-chip architecture integrates thousands of individually addressable spin qubits in two-dimensional quantum microchiplet arrays into an integrated circuit designed for cryogenic control, supporting full connectivity for quantum memory arrays across spin–photon channels.

    • Linsen Li
    • , Lorenzo De Santis
    •  & Dirk Englund

  • Article |

    Boson sampling using ultracold atoms in a two-dimensional, tunnel-coupled optical lattice is enabled by high-fidelity programmable control with optical tweezers of a large number of atoms trapped in an optical lattice.

    • Aaron W. Young
    • , Shawn Geller
    •  & Adam M. Kaufman

  • Article |

    The development of a 400,000-pixel superconducting nanowire single-photon detector array is described, improving the current state of the art by a factor of 400 and showing scalability well beyond the present demonstration.

    • B. G. Oripov
    • , D. S. Rampini
    •  & A. N. McCaughan

  • Article |

    Under strong excitation, inhomogeneously broadened solid-state emitters coupled with high cooperativity to a cavity demonstrate collectively induced transparency and dissipative many-body dynamics, resulting from cavity–ion coupling.

    • Mi Lei
    • , Rikuto Fukumori
    •  & Andrei Faraon

  • Article |

    A van der Waals crystal, niobium oxide dichloride, with vanishing interlayer electronic coupling and considerable monolayer-like excitonic behaviour in the bulk, as well as strong and scalable second-order optical nonlinearity, is discovered, which enables a high-performance quantum light source.

    • Qiangbing Guo
    • , Xiao-Zhuo Qi
    •  & Andrew T. S. Wee

  • Article
    | Open Access

    A matter-wave interferometer is demonstrated with an interferometric phase noise below the standard quantum limit, combining two core concepts of quantum mechanics, that a particle can simultaneously be in two places at once and entanglement between distinct particles.

    • Graham P. Greve
    • , Chengyi Luo
    •  & James K. Thompson

  • Article
    | Open Access

    Rabi dynamics between the ground state and an excited state in helium atoms are generated using femtosecond extreme-ultraviolet pulses from a seeded free-electron laser, which may allow ultrafast manipulation of coherent processes at short wavelengths.

    • Saikat Nandi
    • , Edvin Olofsson
    •  & Jan Marcus Dahlström

  • Article
    | Open Access

    Gaussian boson sampling is performed on 216 squeezed modes entangled with three-dimensional connectivity5, using Borealis, registering events with up to 219 photons and a mean photon number of 125.

    • Lars S. Madsen
    • , Fabian Laudenbach
    •  & Jonathan Lavoie

  • Article
    | Open Access

    A quantum network formed by three optically connected nodes comprising solid-state qubits demonstrates the teleportation of quantum information between two non-neighbouring nodes, negating the need for a direct connection between them.

    • S. L. N. Hermans
    • , M. Pompili
    •  & R. Hanson

  • Article |

    Electrically controlled quantum confinement of excitons to below 10 nm is achieved in a 2D semiconductor by combining in-plane electric fields with interactions between excitons and free charges.

    • Deepankur Thureja
    • , Atac Imamoglu
    •  & Puneet A. Murthy

  • Article |

    A solid-state single-electron qubit platform is demonstrated based on trapping and manipulating isolated single electrons on an ultraclean solid neon surface in vacuum, which performs near the state of the art for a charge qubit.

    • Xianjing Zhou
    • , Gerwin Koolstra
    •  & Dafei Jin

  • Article |

    A study reports europium molecular crystals with optically addressable spin states that exhibit ultra-narrow linewidths, demonstrating the use of rare-earth molecular crystals as a platform for photonic quantum technologies.

    • Diana Serrano
    • , Senthil Kumar Kuppusamy
    •  & Philippe Goldner

  • Article |

    Via spin-exchange interactions with 51V5+ ions, an optically addressed 171Yb3+ qubit in a nuclear-spin-rich yttrium orthovanadate crystal is used to implement a reproducible nuclear-spin-based quantum memory, and entangled Yb–V Bell states are demonstrated.

    • Andrei Ruskuc
    • , Chun-Ju Wu
    •  & Andrei Faraon

  • Article
    | Open Access

    A silicon nitride microresonator is used for coherent phase modulation of a transmission electron microscope beam, with future applications in combining high-resolution microscopy with spectroscopy, holography and metrology.

    • Jan-Wilke Henke
    • , Arslan Sajid Raja
    •  & Tobias J. Kippenberg

  • Article |

    A quantum microscope obtains signal-to-noise beyond the photodamage limits of conventional microscopy, revealing biological structures within cells that would not otherwise be resolved.

    • Catxere A. Casacio
    • , Lars S. Madsen
    •  & Warwick P. Bowen

  • Article
    | Open Access

    A nondestructive detector of photonic qubits, comprising a single 87Rb atom trapped in the centre point of two crossed fibre-based optical resonators, is demonstrated.

    • Dominik Niemietz
    • , Pau Farrera
    •  & Gerhard Rempe

  • Article
    | Open Access

    Suitably shaped X-ray pulses are used to coherently steer the quantum dynamics of atoms’ nuclei rather than their electrons, with few-zeptosecond temporal stability of the phase control.

    • Kilian P. Heeg
    • , Andreas Kaldun
    •  & Jörg Evers

  • Article |

    A surface-electrode ion-trap chip is demonstrated, which delivers all the wavelengths of light required for the preparation and operation of ion qubits.

    • R. J. Niffenegger
    • , J. Stuart
    •  & J. Chiaverini

  • Review Article |

    The current state of programmable photonic integrated circuits is discussed, including recent developments in their building blocks, circuit architectures, electronic control and programming strategies, as well as different application spaces.

    • Wim Bogaerts
    • , Daniel Pérez
    •  & Andrea Melloni

  • Article |

    Conventionally, heat transfer occurs by conduction, convection or radiation, but has also been theoretically predicted to occur through quantum fluctuations across a vacuum; this prediction has now been confirmed experimentally.

    • King Yan Fong
    • , Hao-Kun Li
    •  & Xiang Zhang

  • Letter |

    Multi-qubit entangling gates are realized by simultaneously driving multiple motional modes of a linear chain of trapped ions with modulated external fields, achieving a fidelity of about 93 per cent with four qubits.

    • Yao Lu
    • , Shuaining Zhang
    •  & Kihwan Kim

  • Letter |

    Electro-optic detection in a nonlinear crystal is used to measure coherence properties of vacuum fluctuations of the electromagnetic field and deduce the spectrum of the ground state of electromagnetic radiation.

    • Ileana-Cristina Benea-Chelmus
    • , Francesca Fabiana Settembrini
    •  & Jérôme Faist

  • Letter |

    Cooperative quantum effects in superlattices of quantum dots made of caesium lead halide perovskite give rise to superfluorescence, with the individual emitters interacting coherently to give intense bursts of light.

    • Gabriele Rainò
    • , Michael A. Becker
    •  & Thilo Stöferle

  • Letter |

    Genuine, unpredictable quantum random-number generation that is provably secure against quantum and classical adversaries is demonstrated, certified by the loophole-free violation of a Bell inequality.

    • Yang Liu
    • , Qi Zhao
    •  & Jian-Wei Pan

  • Letter |

    Topologically protected edge states realized in a square array of ring resonators are used to demonstrate a robust source of heralded single photons produced by spontaneous four-wave mixing.

    • Sunil Mittal
    • , Elizabeth A. Goldschmidt
    •  & Mohammad Hafezi

  • Letter |

    Remote deterministic spin–spin entanglement is achieved using nitrogen–vacancy centres in diamonds and a single-photon entangling protocol, with much improved entangling rates compared to previously used two-photon protocols.

    • Peter C. Humphreys
    • , Norbert Kalb
    •  & Ronald Hanson

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