Colloquium: Spin-orbit effects in superconducting hybrid structures

M Amundsen, J Linder, JWA Robinson, I Žutić… - Reviews of Modern …, 2024 - APS
Spin-orbit coupling (SOC) relates to the interaction between an electron's motion and its spin
and is ubiquitous in solid-state systems. Although the effect of SOC in normal-state …

Josephson diode effect in supercurrent interferometers

RS Souto, M Leijnse, C Schrade - Physical Review Letters, 2022 - APS
A Josephson diode is a nonreciprocal circuit element that supports a larger dissipationless
supercurrent in one direction than in the other. In this Letter, we propose a class of …

Parity-conserving Cooper-pair transport and ideal superconducting diode in planar germanium

M Valentini, O Sagi, L Baghumyan, T de Gijsel… - Nature …, 2024 - nature.com
Superconductor/semiconductor hybrid devices have attracted increasing interest in the past
years. Superconducting electronics aims to complement semiconductor technology, while …

Moving beyond the transmon: Noise-protected superconducting quantum circuits

A Gyenis, A Di Paolo, J Koch, A Blais, AA Houck… - PRX Quantum, 2021 - APS
Artificial atoms realized by superconducting circuits offer unique opportunities to store and
process quantum information with high fidelity. Among them, implementations of circuits that …

Multi-mode architectures for noise-resilient superconducting qubits

A Calzona, M Carrega - Superconductor Science and Technology, 2022 - iopscience.iop.org
Great interest revolves around the development of new strategies to efficiently store and
manipulate quantum information in a robust and decoherence-free fashion. Several …

[HTML][HTML] Probing quantum devices with radio-frequency reflectometry

F Vigneau, F Fedele, A Chatterjee, D Reilly… - Applied Physics …, 2023 - pubs.aip.org
Many important phenomena in quantum devices are dynamic, meaning that they cannot be
studied using time-averaged measurements alone. Experiments that measure such transient …

Singlet-doublet transitions of a quantum dot Josephson junction detected in a transmon circuit

A Bargerbos, M Pita-Vidal, R Žitko, J Ávila, LJ Splitthoff… - PRX Quantum, 2022 - APS
We realize a hybrid superconductor-semiconductor transmon device in which the
Josephson effect is controlled by a gate-defined quantum dot in an In As-Al nanowire …

A gate tunable transmon qubit in planar Ge

O Sagi, A Crippa, M Valentini, M Janik… - Nature …, 2024 - nature.com
Gate-tunable transmons (gatemons) employing semiconductor Josephson junctions have
recently emerged as building blocks for hybrid quantum circuits. In this study, we present a …

Charge-4e supercurrent in a two-dimensional InAs-Al superconductor-semiconductor heterostructure

C Ciaccia, R Haller, ACC Drachmann… - Communications …, 2024 - nature.com
Superconducting qubits with intrinsic noise protection offer a promising approach to improve
the coherence of quantum information. Crucial to such protected qubits is the encoding of …

Superconducting qubit based on twisted cuprate van der Waals heterostructures

V Brosco, G Serpico, V Vinokur, N Poccia, U Vool - Physical Review Letters, 2024 - APS
Van-der-Waals assembly enables the fabrication of novel Josephson junctions featuring an
atomically sharp interface between two exfoliated and relatively twisted Bi 2 Sr 2 CaCu 2 O …