A gate tunable transmon qubit in planar Ge
Gate-tunable transmons (gatemons) employing semiconductor Josephson junctions have
recently emerged as building blocks for hybrid quantum circuits. In this study, we present a …
recently emerged as building blocks for hybrid quantum circuits. In this study, we present a …
Phase-engineering the Andreev band structure of a three-terminal Josephson junction
In hybrid Josephson junctions with three or more superconducting terminals coupled to a
semiconducting region, Andreev bound states may form unconventional energy band …
semiconducting region, Andreev bound states may form unconventional energy band …
Minimal Kitaev-transmon qubit based on double quantum dots
Minimal Kitaev chains composed of two semiconducting quantum dots coupled via a
superconductor have emerged as a promising platform to realize and study Majorana bound …
superconductor have emerged as a promising platform to realize and study Majorana bound …
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 …
Direct Microwave Spectroscopy of Andreev Bound States in Planar Josephson Junctions
We demonstrate microwave measurements of the Andreev-bound-state (ABS) spectrum in
planar Josephson junctions (JJs) defined in Ge high-mobility two-dimensional hole gases …
planar Josephson junctions (JJs) defined in Ge high-mobility two-dimensional hole gases …
Hybrid quantum systems with artificial atoms in solid state
The development of single‐platform qubits, predominant for most of the last few decades,
has driven the progress of quantum information technologies but also highlighted the …
has driven the progress of quantum information technologies but also highlighted the …
Subgap states in semiconductor-superconductor devices for quantum technologies: Andreev qubits and minimal Majorana chains
In recent years, experimental advances have made it possible to achieve an unprecedented
degree of control over the properties of subgap bound states in hybrid nanoscale …
degree of control over the properties of subgap bound states in hybrid nanoscale …
Blueprint for All-to-All-Connected Superconducting Spin Qubits
Andreev (or superconducting) spin qubits (ASQs) have recently emerged as a promising
qubit platform that combines superconducting circuits with semiconductor spin degrees of …
qubit platform that combines superconducting circuits with semiconductor spin degrees of …
Microwave susceptibility observation of interacting many-body Andreev states
Electrostatic charging affects the many-body spectrum of Andreev states, yet its influence on
their microwave properties has not been elucidated. We developed a circuit quantum …
their microwave properties has not been elucidated. We developed a circuit quantum …
Flux-tunable Kitaev chain in a quantum dot array
Connecting quantum dots through Andreev bound states in a semiconductor-
superconductor hybrid provides a platform to create a Kitaev chain. Interestingly, in a double …
superconductor hybrid provides a platform to create a Kitaev chain. Interestingly, in a double …