An automated 55 GHz cryogenic Josephson sampling oscilloscope

P. Bodin, M. L. Jacobsen, Anders Kyhle, Jørn Bindslev Hansen, A. Davidson, M. Brady, L. Olsen, Werner Qualmann

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Abstract

A computer-automated superconductive 55 GHz sampling oscilloscope based on 4 kA/cm2, Nb/Nb2O5/Pb edge Josephson junctions is presented. The Josephson sampler chip was flip-chip bonded to a carrier chip with a coplanar transmission line by use of a novel flip-chip bonding machine. A 5.6 ps step pulse was successfully coupled in to the transmission line and 18.5 GHz multiple reflections plus a parasitic oscillation at 43 GHz were observed. Review of Scientific Instruments is copyrighted by The American Institute of Physics.
Original languageEnglish
JournalReview of Scientific Instruments
Volume64
Issue number2
Pages (from-to)561-567
ISSN0034-6748
DOIs
Publication statusPublished - 1993

Bibliographical note

Copyright (1993) 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.

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