THz spectroscopy using low temperature mesoscopic devices

M. Dell'Anna*, V. Antonov, D. Bagliani, M. Biasotti, J.L. Coutaz, F. Gatti, Mikko Kiviranta, S. Kubatkin, E. Otto, M. Sypek, S. Spasov

*Corresponding author for this work

    Research output: Contribution to journalArticleScientificpeer-review

    1 Citation (Scopus)

    Abstract

    The prototype of a THz spectroscopic camera based on low temperature mesoscopic devices is presented. The core of this system is an array of Quantum-Dots coupled to Quantum Point Contact sensors. Readout electronics is based on Time Domain Multiplexing combined with Lock-in technique. Results show that such system can reach the sensitivity needed to detect THz emission of materials in a fully passive way.
    Original languageEnglish
    Pages (from-to)467-472
    JournalJournal of Low Temperature Physics
    Volume167
    Issue number3-4
    DOIs
    Publication statusPublished - 2012
    MoE publication typeA1 Journal article-refereed

    Keywords

    • Mesoscopic sensors
    • quantum dot sensor
    • THz spectroscopy
    • time domain multiplexing

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