IEEE Transactions on Applied Superconductivity, volume 33, issue 2, pages 1-5

Effects of Non-Sinusoidal Current Phase Relationships on Single Flux Quantum Circuits

Miranda L Thompson 1
Manuel Castellanos-Beltran 2
Peter F Hopkins 2
Paul Dresselhaus 2
Samuel Benz 2
Publication typeJournal Article
Publication date2023-03-01
Quartile SCImago
Q2
Quartile WOS
Q3
Impact factor1.8
ISSN10518223, 15582515
Electronic, Optical and Magnetic Materials
Condensed Matter Physics
Electrical and Electronic Engineering
Abstract
While the relationship between current and phase in a Josephson junction is canonically assumed to be sinusoidal, both the materials of the electrodes and the properties of the barrier will influence this relationship. This current-phase relationship (C $\Phi$ R) is investigated here in terms of circuit operation for simple digital circuits based on single flux quantum (SFQ) logic. It is found that changing the C $\Phi$ R changes the timing of SFQ pulses, thereby changing the timing and current margins of JTL and T flip-flop circuits. This study motivates the investigation of C $\Phi$ Rs for various junction technologies in order to correctly simulate and optimize Josephson-junction-based circuits.

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Thompson M. L. et al. Effects of Non-Sinusoidal Current Phase Relationships on Single Flux Quantum Circuits // IEEE Transactions on Applied Superconductivity. 2023. Vol. 33. No. 2. pp. 1-5.
GOST all authors (up to 50) Copy
Thompson M. L., Castellanos-Beltran M., Hopkins P. F., Dresselhaus P., Benz S. Effects of Non-Sinusoidal Current Phase Relationships on Single Flux Quantum Circuits // IEEE Transactions on Applied Superconductivity. 2023. Vol. 33. No. 2. pp. 1-5.
RIS |
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TY - JOUR
DO - 10.1109/tasc.2022.3223853
UR - https://doi.org/10.1109/tasc.2022.3223853
TI - Effects of Non-Sinusoidal Current Phase Relationships on Single Flux Quantum Circuits
T2 - IEEE Transactions on Applied Superconductivity
AU - Thompson, Miranda L
AU - Castellanos-Beltran, Manuel
AU - Hopkins, Peter F
AU - Dresselhaus, Paul
AU - Benz, Samuel
PY - 2023
DA - 2023/03/01
PB - IEEE
SP - 1-5
IS - 2
VL - 33
SN - 1051-8223
SN - 1558-2515
ER -
BibTex |
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BibTex Copy
@article{2023_Thompson,
author = {Miranda L Thompson and Manuel Castellanos-Beltran and Peter F Hopkins and Paul Dresselhaus and Samuel Benz},
title = {Effects of Non-Sinusoidal Current Phase Relationships on Single Flux Quantum Circuits},
journal = {IEEE Transactions on Applied Superconductivity},
year = {2023},
volume = {33},
publisher = {IEEE},
month = {mar},
url = {https://doi.org/10.1109/tasc.2022.3223853},
number = {2},
pages = {1--5},
doi = {10.1109/tasc.2022.3223853}
}
MLA
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MLA Copy
Thompson, Miranda L., et al. “Effects of Non-Sinusoidal Current Phase Relationships on Single Flux Quantum Circuits.” IEEE Transactions on Applied Superconductivity, vol. 33, no. 2, Mar. 2023, pp. 1-5. https://doi.org/10.1109/tasc.2022.3223853.
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