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Showing 1–2 of 2 results
Advanced filters: Author: Varun-Varma Pusapati Clear advanced filters

  • Phonon polaritons can be harnessed for SEIRA spectroscopy. Here, the authors demonstrate a compact on-chip phononic SEIRA platform based on a h-BN/graphene/h-BN heterostructure atop a metal split-gate that serves both as a SEIRA substrate and as a room-temperature infrared detector.

    • Andrei Bylinkin
    • Sebastián Castilla
    • Rainer Hillenbrand
    ResearchOpen Access
    Nature Communications
    Volume: 15, P: 1-10

  • A significant challenge of infrared (IR) photodetectors is to funnel light into a small nanoscale active area and efficiently convert it into an electrical signal. Here, the authors couple a plasmonic antenna to hyperbolic phonon-polaritons in hexagonal-BN to highly concentrate mid-IR light into a graphene pn-junction.

    • Sebastián Castilla
    • Ioannis Vangelidis
    • Frank H. L. Koppens
    ResearchOpen Access
    Nature Communications
    Volume: 11, P: 1-7