SIS junctions with frequency dependent damping for a programmable Josephson voltage standard

Juha Hassel, Heikki Seppä, Leif Grönberg, Ilkka Suni

    Research output: Contribution to journalArticleScientificpeer-review

    21 Citations (Scopus)

    Abstract

    Experimental and computational results on programmable Josephson junction array (JJA) chips based on superconductor-insulator-superconductor (SIS) junctions are presented. Implications of circuit design and fabrication process on the performance are discussed. We introduce a method to decrease the attenuation of the pump microwave. Different designs are compared, suggesting that 1 V chips operating at the third constant voltage step with 70 GHz pump frequency can be produced with our process.
    Original languageEnglish
    Pages (from-to)195-198
    Number of pages4
    JournalIEEE Transactions on Instrumentation and Measurement
    Volume50
    Issue number2
    DOIs
    Publication statusPublished - 2001
    MoE publication typeA1 Journal article-refereed

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