From Andreev to Majorana bound states in hybrid superconductor–semiconductor nanowires
Inhomogeneous superconductors can host electronic excitations, known as Andreev bound
states (ABSs), below the superconducting energy gap. With the advent of topological …
states (ABSs), below the superconducting energy gap. With the advent of topological …
Majorana qubits and non-abelian physics in quantum dot–based minimal Kitaev chains
The possibility of engineering artificial Kitaev chains in arrays of quantum dots coupled via
narrow superconducting regions has emerged as an attractive way to overcome the disorder …
narrow superconducting regions has emerged as an attractive way to overcome the disorder …
Nontopological zero-bias peaks in full-shell nanowires induced by flux-tunable Andreev states
A semiconducting nanowire fully wrapped by a superconducting shell has been proposed
as a platform for obtaining Majorana modes at small magnetic fields. In this study, we …
as a platform for obtaining Majorana modes at small magnetic fields. In this study, we …
Coherent manipulation of an Andreev spin qubit
Two promising architectures for solid-state quantum information processing are based on
electron spins electrostatically confined in semiconductor quantum dots and the collective …
electron spins electrostatically confined in semiconductor quantum dots and the collective …
Strong tunable coupling between two distant superconducting spin qubits
Andreev spin qubits have recently emerged as an alternative qubit platform with realizations
in semiconductor–superconductor hybrid nanowires. In these qubits, the spin degree of …
in semiconductor–superconductor hybrid nanowires. In these qubits, the spin degree of …
Singlet-doublet transitions of a quantum dot Josephson junction detected in a transmon circuit
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 …
Josephson effect is controlled by a gate-defined quantum dot in an In As-Al nanowire …
Phase-dependent Andreev molecules and superconducting gap closing in coherently-coupled Josephson junctions
S Matsuo, T Imoto, T Yokoyama, Y Sato… - Nature …, 2023 - nature.com
The Josephson junction (JJ) is an essential element of superconducting (SC) devices for
both fundamental and applied physics. The short-range coherent coupling of two adjacent …
both fundamental and applied physics. The short-range coherent coupling of two adjacent …
A perspective on semiconductor-based superconducting qubits
R Aguado - Applied Physics Letters, 2020 - pubs.aip.org
Following the demonstration of semiconductor-based Josephson junctions, which are fully
tunable by electrical means, new routes have been opened for the study of hybrid …
tunable by electrical means, new routes have been opened for the study of hybrid …
Spectroscopy of spin-split Andreev levels in a quantum dot with superconducting leads
We use a hybrid superconductor-semiconductor transmon device to perform spectroscopy of
a quantum dot Josephson junction tuned to be in a spin-1/2 ground state with an unpaired …
a quantum dot Josephson junction tuned to be in a spin-1/2 ground state with an unpaired …
Signatures of interactions in the Andreev spectrum of nanowire Josephson junctions
We performed microwave spectroscopy of an InAs nanowire between superconducting
contacts implementing a finite-length, multichannel Josephson weak link. Certain features in …
contacts implementing a finite-length, multichannel Josephson weak link. Certain features in …