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    • Katsumasa Yoshioka

    Katsumasa Yoshioka is a research scientist for NTT Basic Research Laboratories (Atsugi, Japan).

    (Image credit: NTT Basic Research Laboratories)
    FIGURE 1. A THz electrical input pulse (with a pulse width of 1.2 picoseconds) was applied to graphene on a chip to generate and propagate a graphene plasmon wave packet, and its real-time waveform was measured with subpicosecond temporal resolution (hBN: hexagonal boron nitride).
    Optics

    Graphene plasmons can help achieve ultrahigh-speed terahertz signal processing

    Katsumasa Yoshioka
    Nov. 1, 2024
    While the terahertz region remains largely unexplored, graphene plasmons present a unique pathway to reach new frontiers within terahertz-based signal processing.