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Showing 1–5 of 5 results
Advanced filters: Author: Liaoxin Sun Clear advanced filters

  • While excitonic semiconductors offer appealing optical properties, their application for competitive optoelectronic devices has remained limited. Here, the authors report the realization of broadband exciton-polariton photodiodes based on a layered excitonic semiconductor, WS2, contacted by tin-doped indium oxide in an open optical cavity design, showing ~MHz bandwidth at room temperature.

    • Qixiao Zhao
    • Adam D. Alfieri
    • Weida Hu
    ResearchOpen Access
    Nature Communications
    Volume: 17, P: 1-9

  • Frequency combs, which are important for applications in precision spectroscopy, depend on material nonlinearities for their function, which can be hard to engineer. Now an approach combining magnons and exceptional points is shown to be effective.

    • Congyi Wang
    • Jinwei Rao
    • Wei Lu
    Research
    Nature Physics
    Volume: 20, P: 1139-1144

  • Nanoscale light sources using nonlinearities are needed in many applications but their small size leads to very low efficiencies. Here, Ren et al.exploit the highly confined whispering gallery modes in metal-coated nanowires to achieve enhanced second-harmonic generation with minimal Ohmic losses.

    • Ming-Liang Ren
    • Wenjing Liu
    • Ritesh Agarwal
    Research
    Nature Communications
    Volume: 5, P: 1-8

  • The use of room temperature exciton–polariton Bose–Einstein condensation is limited by the need for external high-finesse microcavities. The authors generate room temperature EPs with single-crystal microribbons as waveguide Fabry–Pérot microcavities, and demonstrate controllable output of coherent light.

    • Ji Tang
    • Jian Zhang
    • Yong Sheng Zhao
    ResearchOpen Access
    Nature Communications
    Volume: 12, P: 1-8