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Advanced filters: Author: Gary Shambat Clear advanced filters

  • Photonic alternatives to electrical circuits require low energy demand and fast modulation speed, which has proven difficult for on-chip devices. Using quantum dot photonic crystal nanocavities, Vučkovićet al. demonstrate an electrically-switchable light-emitting diode with such capabilities.

    • Gary Shambat
    • Bryan Ellis
    • Jelena Vučković
    Research
    Nature Communications
    Volume: 2, P: 1-6

  • Researchers demonstrate continuous-wave lasing from a quantum dot photonic crystal nanocavity at temperatures of up to 150 K. The achieved lasing thresholds of 181 nA (at 50 K) and 287 nA (at 150 K) are record-lows for any type of electrically pumped laser.

    • Bryan Ellis
    • Marie A. Mayer
    • Jelena Vučković
    Research
    Nature Photonics
    Volume: 5, P: 297-300