Fabrication And Characterization Of High-Quality Nb/Al-AlO${}_x$/Nb Cross-Type Josephson Tunnel Junctions Utilising CMP-based Planarisation Techniques

Alexander Stoll, Andreas Reifenberger, Daniel Hengstler +2

Josephson tunnel junctions (JJs) are the fundamental building blocks of today's most advanced superconducting electronic components, such as qubits and superconducting quantum inte…