3 papers
cond-mat.supr-con2026
Emergence of Bogoliubov Fermi Surfaces in hybrid Al/InAs heterostructures
S. Feyrer, V. Dimic, I. Lobato +15
We investigate the microwave electrodynamics of a proximitized two-dimensional electron gas in hybrid superconductor/semiconductor heterostructures. Using lumped-element resonators…
cond-mat.mes-hall2026
Multi-level Ï-junction in a proximitized Ge/SiGe quantum dot probed by an on-chip superconducting microwave resonator
Luigi Ruggiero, Vera Jo Weibel, Pauline Drexler +5
Using on-chip microwave measurements, we investigate multilevel -junctions formed by proximitized quantum dot (QD) in a germanium (Ge)/silicon-germanium (SiGe) heterostructure.…
cond-mat.mes-hall2025
High-quality and field resilient microwave resonators on Ge/SiGe quantum well heterostructures
Luigi Ruggiero, Carlo Ciacca, Pauline Drexler +5
Superconducting resonators integrated with Ge quantum wells (QWs) offer a promising platform for hybrid quantum devices. Yet, in the most common heterostructure architectures, they…