ArticleNature communications2024
Parity-conserving Cooper-pair transport and ideal superconducting diode in planar germanium.
Article in Nature communications, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 12 papers.
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Who cites it
12 citing papers in PubMed.
- Scalable high-temperature superconducting diodes enabled by intrinsic Josephson junctions.National science review · 2026Article
- Atomically Resolved Electron Reflectivity at a Metal/Semiconductor Interface.Advanced science (Weinheim, Baden-Wurttemberg, Germany) · 2026Article
- Finite-momentum superconductivity from chiral bands in twisted MoTeNature communications · 2026Article
- High-quality and field resilient microwave resonators on Ge quantum well heterostructures.NPJ quantum information · 2026Article
- Biharmonic-Drive Tunable Josephson Diode.Nano letters · 2025Article
- A quantum dot in germanium proximitized by a superconductor.Nature materials · 2025Article
- Strong charge-photon coupling in planar germanium enabled by granular aluminium superinductors.Nature communications · 2025Article
- Gate- and flux-tunable sin(2φ) Josephson element with planar-Ge junctions.Nature communications · 2025Article
- Interfering Josephson diode effect in TaNature communications · 2024Article
- Self-Diffusion of Ge in Amorphous GeACS materials Au · 2024Article
- A gate tunable transmon qubit in planar Ge.Nature communications · 2024Article
- Article
Corrections and comments
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Authors and funding
19 authors.
Funding
Abstract
Superconductor/semiconductor hybrid devices have attracted increasing interest in the past years. Superconducting electronics aims to complement semiconductor technology, while hybrid architectures are at the forefront of new ideas such as topological superconductivity and protected qubits. In this work, we engineer the induced superconductivity in two-dimensional germanium hole gas by varying the distance between the quantum well and the aluminum. We demonstrate a hard superconducting gap and realize an electrically and flux tunable superconducting diode using a superconducting quantum interference device (SQUID). This allows to tune the current phase relation (CPR), to a regime where single Cooper pair tunneling is suppressed, creating a [Formula: see text] CPR. Shapiro experiments complement this interpretation and the microwave drive allows to create a diode with ≈ 100% efficiency. The reported results open up the path towards integration of spin qubit devices, microwave resonators and (protected) superconducting qubits on the same silicon technology compatible platform.
Identifiers
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Registered trials
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