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Showing 1–4 of 4 results
Advanced filters: Author: Christophe Sauvan Clear advanced filters

  • The lack of effcient solid-state sources of single photons is impeding the further development of many fields including quantum communication, quantum information processing and metrology. Using an InAs quantum dot embedded in a GaAs photonic nanowire with carefully tailored ends, researchers demonstrate a record single-photon source effciency of 0.72 under optical pumping.

    • Julien Claudon
    • Joël Bleuse
    • Jean-Michel Gérard
    Research
    Nature Photonics
    Volume: 4, P: 174-177

  • Developing a microscale ultrafast electrical source of surface plasmons is crucial for nanophotonic applications. Here, the authors report the design, fabrication and characterization of nanoantennas for emission and control of surface plasmons by inelastic electron tunneling.

    • Cheng Zhang
    • Jean-Paul Hugonin
    • Jean-Jacques Greffet
    ResearchOpen Access
    Nature Communications
    Volume: 10, P: 1-7

  • Ultrathin solar cells having thicknesses below 1 µm can still reach efficiencies comparable to their thicker counterparts, but require less material to manufacture. By exploiting light-trapping nanostructures, Chen and colleagues achieve GaAs solar cells with 20% efficiency at just 205 nm thicknesses.

    • Hung-Ling Chen
    • Andrea Cattoni
    • Stéphane Collin
    Research
    Nature Energy
    Volume: 4, P: 761-767