Aluminum junctions with well-transmitted channels: a platform for higher-harmonic Josephson elements

Data and analysis code to support findings in "Aluminum junctions with well-transmitted channels: a platform for higher-harmonic Josephson elements" Phys. Rev. Applied 24, 064065 (2025). Use the Jupyter notebook pinJJ.ipynb to inspect the data and reproduce the figures. The python package fitmar.py is used to numerically fit some data. It is included here for archiving purposes and to simplify running the notebook.