Hot electron effect in terahertz hybrid devices

B Leone*, J R Gao, T M Klapwijk, B D Jackson, W M Laauwen, G de Lange

*Corresponding author for this work

    Research output: Contribution to journalArticleAcademicpeer-review

    8 Citations (Scopus)

    Abstract

    We analyse both the direct current and submillimeter pumped cut-rent-voltage characteristics of a hybrid superconductor-insulator-superconductor terahertz, mixer consisting of a Nb tunnel junction integrated with NbTiN tuning striplines. We And that the presence of the Nb/NbTiN interface gives rise to a hot electron effect. The assumption of an equilibrium electron temperature, as distinct from the phonon temperature, allows a complete understanding of the processes involved. The impact of the hot electron effect on superconducting terahertz detectors is discussed.

    Original languageEnglish
    Pages (from-to)649-652
    Number of pages4
    JournalIEEE Transactions on Applied Superconductivity
    Volume11
    Issue number1
    DOIs
    Publication statusPublished - Mar-2001
    Event2000 Applied Superconductivity Conference -
    Duration: 17-Sept-200022-Sept-2000

    Keywords

    • hot electron effect
    • terahertz detection
    • superconducting devices
    • MIXERS

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