Rapid single flux quantum devices with selective dissipation for quantum information processing

Juha Hassel (Corresponding Author), Panu Helistö, Heikki Seppä, J. Kunert, l. Fritzsch, H.-G. Meyer

    Research output: Contribution to journalArticleScientificpeer-review

    11 Citations (Scopus)

    Abstract

    The authors study the frequency dependent damping in rapid single flux quantum (RSFQ) circuits as means to reduce dissipation and consequent decoherence in RSFQ/qubit circuits. They show by simulations and experiments that stable RSFQ operation can be achieved by shunting the Josephson junctions with an RC circuit instead of a plain resistor. The authors derive criteria for the stability of such an arrangement and discuss the effect on decoherence.
    Original languageEnglish
    JournalApplied Physics Letters
    Volume89
    Issue number18
    DOIs
    Publication statusPublished - 2006
    MoE publication typeA1 Journal article-refereed

    Keywords

    • quantum computing
    • superconducting logic circuits
    • Josephson junction
    • Josephson junction arrays

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