Laminar phase flow for an exponentially tapered Josephson oscillator

A. Benabdallah, J. G. Caputo, Alwyn C. Scott

    Research output: Contribution to journalJournal articleResearchpeer-review

    326 Downloads (Pure)

    Abstract

    Exponential tapering and inhomogeneous current feed were recently proposed as means to improve the performance of a Josephson flux flow oscillator. Extensive numerical results backed up by analysis are presented here that support this claim and demonstrate that exponential tapering reduces the small current instability region and leads to a laminar flow regime where the voltage wave form is periodic giving the oscillator minimal spectral width. Tapering also leads to an increased output power. Since exponential tapering is not expected to increase the difficulty of fabricating a flux flow oscillator, we suggest that this feature should be incorporated in future designs
    Original languageEnglish
    JournalJournal of Applied Physics
    Volume88
    Issue number6
    Pages (from-to)3527-3540
    ISSN0021-8979
    DOIs
    Publication statusPublished - 2000

    Bibliographical note

    Copyright (2000) American Institute of Physics. This article may be downloaded for personal use only. Any other use requires prior permission of the author and the American Institute of Physics.

    Cite this