SQUID-based multiplexing by slope switching and binary-to-hadamard address translation

Mikko Kiviranta, Nikolay Beev

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    Abstract

    We have demonstrated multiplexing and demultiplexing of seven test signals using the Hadamard basis set. The encoding utilizes the sign change of the superconducting quantum interference device gain when a Φ0/2 flux shift occurs. The periodicity of the superconducting quantum interference device response allows recursive construction of in principle arbitrarily high-order Hadamard matrices out of binary addresses, and hence makes possible to access N channels by log2 N address lines.
    Original languageEnglish
    Article number6410358
    Number of pages4
    JournalIEEE Transactions on Applied Superconductivity
    Volume23
    Issue number3
    DOIs
    Publication statusPublished - 2013
    MoE publication typeA1 Journal article-refereed
    EventApplied Superconductivity Conference, ASC 2012 - Portland, United States
    Duration: 7 Oct 201212 Oct 2012

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    Keywords

    • code division multiplexing
    • superconducting photodetectors
    • superconducting quantum interference devices (SQUIDs)

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