Most read

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Showing: 1–25 of 50

  1. The significance of research

    When promoting the value of their research or procuring funding, researchers often need to explain the significance of their work to the community — something that can be just as tricky as the research itself.
  2. Nanofibre optic force transducers with sub-piconewton resolution via near-field plasmon–dielectric interactions

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    A nanofibre optic force transducer with 0.2 pN sensitivity is demonstrated. The set-up is used to monitor bacterial motion, observe heart cell beating and detect infrasound power in solution.

  3. Time stretch and its applications

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    Photonic time-stretch techniques and their applications are reviewed. The approach enables the observation of signals that are otherwise too short or rapid for conventional measurement.

  4. Quantum transport simulations in a programmable nanophotonic processor

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    A large-scale, low-loss and phase-stable programmable nanophotonic processor is fabricated to explore quantum transport phenomena. The signature of environment-assisted quantum transport in discrete-time systems is observed for the first time.

  5. High-efficiency multiphoton boson sampling

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    Boson sampling with three, four and five photons with high efficiency, purity and indistinguishability is realized using a quantum dot–micropillar as the single-photon source. A record-breaking sampling rate of 4.96 kHz is achieved.

  6. Vectorial optical field reconstruction by attosecond spatial interferometry

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    An optical method for the temporal and spatial reconstruction of the electric field of few-cycle pulses is developed. The method is based on two attosecond technologies: extreme-ultraviolet interferometry and a directional electric field detector.

  7. Graphene photonics and optoelectronics

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    The richness of optical and electronic properties of graphene attracts enormous interest. Graphene has high mobility and optical transparency, in addition to flexibility, robustness and environmental stability. So far, the main focus has been on fundamental physics and electronic devices. However, we believe its true potential lies in photonics and optoelectronics, where the combination of its unique optical and electronic properties can be fully exploited, even in the absence of a bandgap, and the linear dispersion of the Dirac electrons enables ultrawideband tunability. The rise of graphene in photonics and optoelectronics is shown by several recent results, ranging from solar cells and light-emitting devices to touch screens, photodetectors and ultrafast lasers. Here we review the state-of-the-art in this emerging field.

  8. The emergence of perovskite solar cells

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    Within the space of a few years, hybrid organic–inorganic perovskite solar cells have emerged as one of the most exciting material platforms in the photovoltaic sector. This review describes the rapid progress that has been made in this area.

  9. High-performance direct conversion X-ray detectors based on sintered hybrid lead triiodide perovskite wafers

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    Methyl ammonium lead triiodide perovskite wafers for application in direct conversion X-ray detectors are fabricated by a room-temperature sintering process. A conversion efficiency of 2,527 mC Gyaircm–2 under 70 kVp X-ray exposure is obtained.

  10. Scrutinizing lasers

    Lasers play a pivotal role in photonics, but claims of lasing are not always as robust and informative as they should be. A new trial policy at Nature Photonics aims to rectify this shortcoming.