301 citations · 920 across the 31 of their papers we have counts for
32 papers
Majorana parity qubit in coupled minimal Kitaev chains
Francesco Zatelli, Bart Roovers, Nick van Loo +11
Majorana zero modes provide a route to fault-tolerant qubits by encoding information non-locally in fermion parity. Their sensitivity to noise is expected to decrease exponentially…
Broad nonlocal spectrum in the Pb-InSb hybrid three terminals for potential realization of Kitaev chains
Guoan Li, Xiaofan Shi, Ruixuan Zhang +21
Hybrid superconductor-semiconductor(SC-SM) nanowires remain one of the foremost platforms for engineering topological superconductivity and Majorana zero modes(MZMs) towards fault-…
Single-shot parity readout of a minimal Kitaev chain
Nick van Loo, Francesco Zatelli, Gorm O. Steffensen +12
Protecting qubits from noise is essential for building reliable quantum computers. Topological qubits offer a route to this goal by encoding quantum information non-locally, using…
Enhanced and modulable induced superconducting gap and effective Landé g-factor in Pb-InSb hybrid devices
Guoan Li, Xiaofan Shi, Ziwei Dou +21
The hybrid system of a conventional superconductor (SC) on a semiconductor (SM) nanowire with strong spin-orbit coupling (SOC) represents a promising platform for achieving topolog…
Probing Majorana localization of a phase-controlled three-site Kitaev chain with an additional quantum dot
Alberto Bordin, Florian J. Bennebroek Evertsz', Bart Roovers +11
Few-site implementations of the Kitaev chain offer a minimal platform to study the emergence and stability of Majorana bound states. Here, we realize two- and three-site chains in…
Few-Mode and Anisotropic Quantum Transport in InSb Nanoribbons Using an All-van der Waals Material-Based Gate
Colin J. Riggert, Pim Lueb, Tyler Littmann +5
High-quality electrostatic gating is a fundamental ingredient for successful semiconducting device physics, and a key element of realizing clean quantum transport. Inspired by the…
Cross-Platform Autonomous Control of Minimal Kitaev Chains
David van Driel, Rouven Koch, Vincent P. M. Sietses +21
Contemporary quantum devices are reaching new limits in size and complexity, allowing for the experimental exploration of emergent quantum modes. However, this increased complexity…
Signatures of Majorana protection in a three-site Kitaev chain
Alberto Bordin, Chun-Xiao Liu, Tom Dvir +14
Majorana zero modes (MZMs) are non-Abelian excitations predicted to emerge at the edges of topological superconductors. One proposal for realizing a topological superconductor in o…
Robust poor man's Majorana zero modes using Yu-Shiba-Rusinov states
Francesco Zatelli, David van Driel, Di Xu +14
The recent realization of a two-site Kitaev chain featuring "poor man's Majorana" states demonstrates a path forward in the field of topological superconductivity. Harnessing the p…
Charge sensing the parity of an Andreev molecule
David van Driel, Bart Roovers, Francesco Zatelli +10
The proximity effect of superconductivity on confined states in semiconductors gives rise to various bound states such as Andreev bound states (ABSs), Andreev molecules and Majoran…
Versatile Method of Engineering the Band Alignment and the Electron Wavefunction Hybridization of Hybrid Quantum Devices
Guoan Li, Xiaofan Shi, Ting Lin +23
With the development of quantum technology, hybrid devices that combine superconductors (S) and semiconductors (Sm) have attracted great attention due to the possibility of enginee…
Diffusive and Ballistic Transport in Ultra-thin InSb Nanowire Devices Using a Few-layer-Graphene-AlOx Gate
Lior Shani, Pim Lueb, Gavin Menning +11
Quantum devices based on InSb nanowires (NWs) are a prime candidate system for realizing and exploring topologically-protected quantum states and for electrically-controlled spin-b…
Subgap spectroscopy along hybrid nanowires by nm-thick tunnel barriers
Vukan Levajac, Ji-Yin Wang, Grzegorz P. Mazur +8
Tunneling spectroscopy is widely used to examine the subgap spectra in semiconductor-superconductor nanostructures when searching for Majorana zero modes (MZMs). Typically, semicon…
Spin-filtered measurements of Andreev bound states
David van Driel, Guanzhong Wang, Alberto Bordin +9
A semiconductor nanowire brought in proximity to a superconductor can form discrete, particle-hole symmetric states, known as Andreev bound states (ABSs). An ABS can be found in it…
Controlled crossed Andreev reflection and elastic co-tunneling mediated by Andreev bound states
Alberto Bordin, Guanzhong Wang, Chun-Xiao Liu +12
A short superconducting segment can couple attached quantum dots via elastic co-tunneling (ECT) and crossed Andreev reflection (CAR). Such coupled quantum dots can host Majorana bo…
Impact of junction length on supercurrent resilience against magnetic field in InSb-Al nanowire Josephson junctions
Vukan Levajac, Grzegorz P. Mazur, Nick van Loo +7
Semiconducting nanowire Josephson junctions represent an attractive platform to investigate the anomalous Josephson effect and detect topological superconductivity by studying Jose…
Electrostatic control of the proximity effect in the bulk of semiconductor-superconductor hybrids
N. van Loo, G. P. Mazur, T. Dvir +11
The proximity effect in semiconductor-superconductor nanowires is expected to generate an induced gap in the semiconductor. The magnitude of this induced gap, together with the sem…
Realization of a minimal Kitaev chain in coupled quantum dots
Tom Dvir, Guanzhong Wang, Nick van Loo +14
Majorana bound states constitute one of the simplest examples of emergent non-Abelian excitations in condensed matter physics. A toy model proposed by Kitaev shows that such states…
Singlet and triplet Cooper pair splitting in hybrid superconducting nanowires
Guanzhong Wang, Tom Dvir, Grzegorz P. Mazur +9
In most naturally occurring superconductors, electrons with opposite spins are paired up to form Cooper pairs. This includes both conventional -wave superconductors such as alum…
Variable and orbital-dependent spin-orbit field orientations in a InSb double quantum dot characterized via dispersive gate sensing
Lin Han, Michael Chan, Damaz de Jong +7
Utilizing dispersive gate sensing (DGS), we investigate the spin-orbit field () orientation in a many-electron double quantum dot (DQD) defined in an InSb nanowire…
Parametric exploration of zero-energy modes in three-terminal InSb-Al nanowire devices
Ji-Yin Wang, Nick van Loo, Grzegorz P. Mazur +10
We systematically study three-terminal InSb-Al nanowire devices by using radio-frequency reflectometry. Tunneling spectroscopy measurements on both ends of the hybrid nanowires are…
Spin-mixing enhanced proximity effect in aluminum-based superconductor-semiconductor hybrids
G. P. Mazur, N. van Loo, J. Y. Wang +13
In superconducting quantum circuits, aluminum is one of the most widely used materials. It is currently also the superconductor of choice for the development of topological qubits.…
Electronic Structure and Epitaxy of CdTe Shells on InSb Nanowires
Ghada Badawy, Bomin Zhang, Tomáš Rauch +10
Indium antimonide (InSb) nanowires are used as building blocks for quantum devices because of their unique properties, i.e., strong spin-orbit interaction and large Landé g-factor.…
Radio-frequency C-V measurements with sub-attofarad sensitivity
Filip K. Malinowski, Lin Han, Damaz de Jong +9
We demonstrate the use of radio-frequency (rf) resonators to measure the capacitance of nano-scale semiconducting devices in field-effect transistor configurations. The rf resonato…