2.8k citations
Counting papers with at most 25 authors, so collaboration author lists do not stand in for the people here.
- Delft University of TechnologyNL582 papers
- Netherlands Organisation for Applied Scientific ResearchNL97 papers
- University of CopenhagenDK60 papers
- Eindhoven University of TechnologyNL55 papers
- Leiden UniversityNL45 papers
- ETH ZurichCH36 papers
- Microsoft (United States)US36 papers
- Forschungszentrum JülichDE31 papers
- Harvard UniversityUS24 papers
- Intel (United States)US24 papers
- UNSW SydneyAU23 papers
- Purdue University West LafayetteUS21 papers
26 papers · 2 filters
Current-phase relation of ballistic graphene Josephson junctions
Gaurav Nanda, Juan Luis Aguilera-Servin, Péter Rakyta +7
The current-phase relation (CPR) of a Josephson junction (JJ) determines how the supercurrent evolves with the superconducting phase difference across the junction. Knowledge of th…
Interfacing spin qubits in quantum dots and donors - hot, dense and coherent
L. M. K. Vandersypen, H. Bluhm, J. S. Clarke +6
Semiconductor spins are one of the few qubit realizations that remain a serious candidate for the implementation of large-scale quantum circuits. Excellent scalability is often arg…
Hybrid Superconductor-Quantum Point Contact Devices using InSb Nanowires
S. T. Gill, J. Damasco, D. Car +2
Proposals for studying topological superconductivity and Majorana bound states in nanowires proximity coupled to superconductors require that transport in the nanowire is ballistic…
Andreev Molecules in Semiconductor Nanowire Double Quantum Dots
Zhaoen Su, Alexandre B. Tacla, Moïra Hocevar +6
Quantum simulation is a way to study unexplored Hamiltonians by mapping them onto the assemblies of well-understood quantum systems such as ultracold atoms in optical lattices, tra…
Experimental Phase Diagram of a One-Dimensional Topological Superconductor
Jun Chen, Peng Yu, John Stenger +6
Topological superconductors can host Majorana quasiparticles which supersede the fermion/boson dichotomy and offer a pathway to fault tolerant quantum computation. In one-dimension…
Highly tuneable hole quantum dots in Ge-Si core-shell nanowires
Matthias Brauns, Joost Ridderbos, Ang Li +3
We define single quantum dots of lengths varying from 60 nm up to nearly half a micron in Ge-Si core-shell nanowires. The charging energies scale inversely with the quantum dot len…
Silicon CMOS architecture for a spin-based quantum computer
M. Veldhorst, H. G. J. Eenink, C. H. Yang +1
Recent advances in quantum error correction (QEC) codes for fault-tolerant quantum computing \cite{Terhal2015} and physical realizations of high-fidelity qubits in a broad range of…
Microwave spectroscopy of spinful Andreev bound states in ballistic semiconductor Josephson junctions
David J. van Woerkom, Alex Proutski, Bernard van Heck +7
The superconducting proximity effect in semiconductor nanowires has recently enabled the study of new superconducting architectures, such as gate-tunable superconducting qubits and…
Quantized conductance and large g-factor anisotropy in InSb quantum point contacts
Fanming Qu, Jasper van Veen, Folkert K. de Vries +10
Due to a strong spin-orbit interaction and a large Landé g-factor, InSb plays an important role in research on Majorana fermions. To further explore novel properties of Majorana fe…
A non-invasive method for nanoscale electrostatic gating of pristine materials
Arjan J. A. Beukman, Fanming Qu, Ken W. West +2
Electrostatic gating is essential for defining and control of semiconducting devices. However, nano-fabrication processes required for depositing gates inevitably degrade the prist…
Transparent Semiconductor-Superconductor Interface and Induced Gap in an Epitaxial Heterostructure Josephson Junction
M. Kjaergaard, H. J. Suominen, M. P. Nowak +5
Measurement of multiple Andreev reflection (MAR) in a Josephson junction made from an InAs heterostructure with epitaxial aluminum is used to quantify the highly transparent semico…
Impact of g-factors and valleys on spin qubits in a silicon double quantum dot
J. C. C. Hwang, C. H. Yang, M. Veldhorst +6
We define single electron spin qubits in a silicon MOS double quantum dot system. By mapping the qubit resonance frequency as a function of gate-induced electric field, the spectru…
An electrically driven spin qubit based on valley mixing
Wister Huang, Menno Veldhorst, Neil M. Zimmerman +2
The electrical control of single spin qubits based on semiconductor quantum dots is of great interest for scalable quantum computing since electric fields provide an alternative me…
Anisotropic Pauli spin blockade in hole quantum dots
Matthias Brauns, Joost Ridderbos, Ang Li +3
We present measurements on gate-defined double quantum dots in Ge-Si core-shell nanowires, which we tune to a regime with visible shell filling in both dots. We observe a Pauli spi…
Quantum dynamics of nuclear spins and spin relaxation in organic semiconductors
V. V. Mkhitaryan, V. V. Dobrovitski
We investigate the role of the nuclear spin quantum dynamics in hyperfine-induced spin relaxation of hopping carriers in organic semiconductors. The fast hopping regime with a smal…
Dynamical piezoelectric and magnetopiezoelectric effects in polar metals from Berry phases and orbital moments
Daniel Varjas, Adolfo G. Grushin, Roni Ilan +1
The polarization of a material and its response to applied electric and magnetic fields are key solid-state properties with a long history in insulators, although a satisfactory th…
Nanosecond-timescale spin transfer using individual electrons in a quadruple-quantum-dot device
T. A. Baart, N. Jovanovic, C. Reichl +2
The ability to coherently transport electron-spin states between different sites of gate-defined semiconductor quantum dots is an essential ingredient for a quantum-dot-based quant…
Decoupling edge versus bulk conductance in the trivial regime of an InAs/GaSb double quantum well using Corbino ring geometry
Binh-Minh Nguyen, Andrey A. Kiselev, Ramsey Noah +13
A Corbino ring geometry is utilized to analyze edge and bulk conductance of InAs/GaSb quantum well structures. We show that edge conductance exists in the trivial regime of this th…
Giant spin-orbit splitting in inverted InAs/GaSb double quantum wells
Fabrizio Nichele, Morten Kjaergaard, Henri J. Suominen +11
Transport measurements in inverted InAs/GaSb quantum wells reveal a giant spin-orbit splitting of the energy bands close to the hybridization gap. The splitting results from the in…
Coherent spin-exchange via a quantum mediator
T. A. Baart, T. Fujita, C. Reichl +2
Coherent interactions at a distance provide a powerful tool for quantum simulation and computation. The most common approach to realize an effective long-distance coupling 'on-chip…
Electric-field dependent g-factor anisotropy in Ge-Si core-shell nanowire quantum dots
Matthias Brauns, Joost Ridderbos, Ang Li +2
We present angle-dependent measurements of the effective g-factor g* in a Ge-Si core-shell nanowire quantum dot. g* is found to be maximum when the magnetic field is pointing perpe…
Conductance Quantization at zero magnetic field in InSb nanowires
Jakob Kammhuber, Maja C. Cassidy, Hao Zhang +10
Ballistic electron transport is a key requirement for existence of a topological phase transition in proximitized InSb nanowires. However, measurements of quantized conductance as…
Computer-automated tuning of semiconductor double quantum dots into the single-electron regime
T. A. Baart, P. T. Eendebak, C. Reichl +2
We report the computer-automated tuning of gate-defined semiconductor double quantum dots in GaAs heterostructures. We benchmark the algorithm by creating three double quantum dots…
Ballistic Majorana nanowire devices
Önder Gül, Hao Zhang, Jouri D. S. Bommer +8
Majorana modes are zero-energy excitations of a topological superconductor that exhibit non-Abelian statistics. Following proposals for their detection in a semiconductor nanowire…