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 …
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 …
Magnetic-field-compatible superconducting transmon qubit
A Kringhøj, TW Larsen, O Erlandsson, W Uilhoorn… - Physical Review …, 2021 - APS
We present a hybrid semiconductor-based superconducting qubit device that remains
coherent at magnetic fields up to 1 T. The qubit transition frequency exhibits periodic …
coherent at magnetic fields up to 1 T. The qubit transition frequency exhibits periodic …
Suppressed charge dispersion via resonant tunneling in a single-channel transmon
We demonstrate strong suppression of charge dispersion in a semiconductor-based
transmon qubit across Josephson resonances associated with a quantum dot in the junction …
transmon qubit across Josephson resonances associated with a quantum dot in the junction …
Destructive little-parks effect in a full-shell nanowire-based transmon
A semiconductor transmon with an epitaxial Al shell fully surrounding an InAs nanowire core
is investigated in the low EJ/EC regime. Little-Parks oscillations as a function of flux along …
is investigated in the low EJ/EC regime. Little-Parks oscillations as a function of flux along …
Dynamics of parafermionic states in transport measurements
Advances in hybrid fractional quantum Hall (FQH)-superconductor platforms pave the way
for realisation of parafermionic modes. We analyse signatures of these non-abelian anyons …
for realisation of parafermionic modes. We analyse signatures of these non-abelian anyons …
Andreev modes from phase winding in a full-shell nanowire-based transmon
We investigate transmon qubits made from semiconductor nanowires with a fully
surrounding superconducting shell. In the regime of reentrant superconductivity associated …
surrounding superconducting shell. In the regime of reentrant superconductivity associated …
Few-mode to mesoscopic junctions in gatemon qubits
We investigate a semiconductor nanowire-based gatemon qubit with epitaxial Al on two
facets of the nanowire, allowing gate control of wire density. Two segments have the Al …
facets of the nanowire, allowing gate control of wire density. Two segments have the Al …
qubit with one Josephson junction
GL Guo, HB Leng, Y Hu, X Liu - Physical Review B, 2022 - APS
Quantum states are usually fragile, making quantum computation less stable than classical
computation. Quantum correction codes can protect quantum states but need many physical …
computation. Quantum correction codes can protect quantum states but need many physical …