Effects of Josephson Junction Non-idealities on Adiabatic Quantum Flux Parametron Circuits
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Quantum Physics arXiv:2606.17338 (quant-ph) [Submitted on 15 Jun 2026] Title:Effects of Josephson Junction Non-idealities on Adiabatic Quantum Flux Parametron Circuits Authors:Daryoush Shiri, Likai Yang, Mohamed A. Hassan, Philip Krantz, Eric T. Holland View a PDF of the paper titled Effects of Josephson Junction Non-idealities on Adiabatic Quantum Flux Parametron Circuits, by Daryoush Shiri and 4 other authors View PDF HTML (experimental) Abstract:Adiabatic quantum flux parametron (AQFP) gate is a promising approach to scale up the cryogenic microwave electronics for superconducting qubit multiplexed control. However, the performance of these circuits depends on the quality of the Josephson junctions which are ideally superconductor-insulator-superconductor (SIS) type following the ideal sinusoidal relation between current and quantum phase. We demonstrate how the non-sinusoidal current-phase relation in Superconductor-Normal metal-Superconductor (SNS) and weak link (WL) junctions affects the speed, delay, and margin of the AQFP gates. The JJ models are defined in the Keysight ADS simulator using symbolically defined device (SDD) method. Comments: Subjects: Quantum Physics (quant-ph); Superconductivity (cond-mat.supr-con) Cite as: arXiv:2606.17338 [quant-ph] (or arXiv:2606.17338v1 [quant-ph] for this version) https://doi.org/10.48550/arXiv.2606.17338 Focus to learn more arXiv-issued DOI via DataCite (pending registration) Submission history From: Daryoush Shiri Dr. [view email] [v1] Mon, 15 Jun 2026 22:38:18 UTC (472 KB) Full-text links: Access Paper: View a PDF of the paper titled Effects of Josephson Junction Non-idealities on Adiabatic Quantum Flux Parametron Circuits, by Daryoush Shiri and 4 other authorsView PDFHTML (experimental)TeX Source view license Current browse context: quant-ph new | recent | 2026-06 Change to browse by: cond-mat cond-mat.supr-con References & Citations INSPIRE HEP NASA ADSGoogle Scholar Semantic Scholar export BibTeX citation Loading... BibTeX formatted citation × loading... Data provided by: Bookmark Bibliographic Tools Bibliographic and Citation Tools Bibliographic Explorer Toggle Bibliographic Explorer (What is the Explorer?) Connected Papers Toggle Connected Papers (What is Connected Papers?) Litmaps Toggle Litmaps (What is Litmaps?) scite.ai Toggle scite Smart Citations (What are Smart Citations?) Code, Data, Media Code, Data and Media Associated with this Article alphaXiv Toggle alphaXiv (What is alphaXiv?) Links to Code Toggle CatalyzeX Code Finder for Papers (What is CatalyzeX?) DagsHub Toggle DagsHub (What is DagsHub?) GotitPub Toggle Gotit.pub (What is GotitPub?) Huggingface Toggle Hugging Face (What is Huggingface?) ScienceCast Toggle ScienceCast (What is ScienceCast?) Demos Demos Replicate Toggle Replicate (What is Replicate?) Spaces Toggle Hugging Face Spaces (What is Spaces?) Spaces Toggle TXYZ.AI (What is TXYZ.AI?) Related Papers Recommenders and Search Tools Link to Influence Flower Influence Flower (What are Influence Flowers?) Core recommender toggle CORE Recommender (What is CORE?) Author Venue Institution Topic About arXivLabs arXivLabs: experimental projects with community collaborators arXivLabs is a framework that allows collaborators to develop and share new arXiv features directly on our website. Both individuals and organizations that work with arXivLabs have embraced and accepted our values of openness, community, excellence, and user data privacy. arXiv is committed to these values and only works with partners that adhere to them. Have an idea for a project that will add value for arXiv's community? Learn more about arXivLabs. Which authors of this paper are endorsers? | Disable MathJax (What is MathJax?)