Abstract
The authors present the experimental results for the switching delay of a dc-biased nonlatching Josephson gate (a coupled-superconducting quantum interference device gate). The measurement is executed by the use of a ring oscillator (RO) method. A frequency-to-voltage converter is used to evaluate the oscillation frequency of the RO. The circuit is designed and fabricated using a 2.5-kA/cm2 Nb/AlOx/Nb Josephson junction technology. The results show the minimum switching delay of 18 ps.
Original language | English |
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Pages (from-to) | 188-191 |
Number of pages | 4 |
Journal | IEEE Transactions on Applied Superconductivity |
Volume | 8 |
Issue number | 4 |
DOIs | |
Publication status | Published - 1998 |
Externally published | Yes |
Keywords
- Circuit testing
- Josephson logic
- Non-latching Josephson gate
- Ring oscillator
- Superconducting circuits
- Switching delay
- dc-biasing
ASJC Scopus subject areas
- Electronic, Optical and Magnetic Materials
- Condensed Matter Physics
- Electrical and Electronic Engineering