Hybrid superconductor–quantum dot devices

S De Franceschi, L Kouwenhoven… - Nature …, 2010 - nature.com
Advances in nanofabrication techniques have made it possible to make devices in which
superconducting electrodes are connected to non-superconducting nanostructures such as …

Electronic structures and unusually robust bandgap in an ultrahigh-mobility layered oxide semiconductor, Bi2O2Se

C Chen, M Wang, J Wu, H Fu, H Yang, Z Tian, T Tu… - Science …, 2018 - science.org
Semiconductors are essential materials that affect our everyday life in the modern world.
Two-dimensional semiconductors with high mobility and moderate bandgap are particularly …

Theory of the nonreciprocal Josephson effect

K Misaki, N Nagaosa - Physical Review B, 2021 - APS
The heterojunction between different materials often exhibits a rectifying effect; eg, pn
junction is used for diode. On the other hand, the Josephson junction between two different …

Magnitude and Spatial Distribution Control of the Supercurrent in Bi2O2Se-Based Josephson Junction

J Ying, J He, G Yang, M Liu, Z Lyu, X Zhang, H Liu… - Nano Letters, 2020 - ACS Publications
Many proposals for exploring topological quantum computation are based on
superconducting quantum devices constructed on materials with strong spin–orbit coupling …

Quantum phase slips in a resonant Josephson junction

T Vakhtel, B van Heck - Physical Review B, 2023 - APS
We investigate the consequences of resonant tunneling of Cooper pairs on the quantum
phase slips occurring in a Josephson junction. The amplitude for quantum tunneling under …

Photonic cross-noise spectroscopy of Majorana bound states

L Bittermann, F Dominguez, P Recher - Physical Review B, 2024 - APS
We propose a route to detect Majorana bound states (MBSs) by coupling a topological
superconductor to quantum dots (QDs) in apnp junction. Here two MBSs are coherently …

Signatures of nonlocal Cooper-pair transport and of a singlet-triplet transition in the critical current of a double-quantum-dot Josephson junction

B Probst, F Domínguez, A Schroer, AL Yeyati, P Recher - Physical Review B, 2016 - APS
We study the critical Josephson current flowing through a double quantum dot weakly
coupled to two superconducting leads. We use analytical as well as numerical methods to …

Voltage staircase in a current-biased quantum-dot Josephson junction

DO Oriekhov, Y Cheipesh, CWJ Beenakker - Physical Review B, 2021 - APS
We calculate the current-voltage (IV) characteristic of a Josephson junction containing a
resonant level in the weakly coupled regime (resonance width small compared to the …

Cooper-pair-based photon entanglement without isolated emitters

A Hayat, HY Kee, KS Burch, AM Steinberg - Physical Review B, 2014 - APS
We show that the recombination of Cooper pairs in semiconductors can be used as a natural
source of polarization-entangled photons, making use of the inherent angular momentum …

Subradiant split Cooper pairs

A Cottet, T Kontos, AL Yeyati - Physical Review Letters, 2012 - APS
We suggest a way to characterize the coherence of the split Cooper pairs emitted by a
double-quantum-dot based Cooper pair splitter (CPS), by studying the radiative response of …