Characterizing losses in InAs two-dimensional electron gas-based gatemon qubits

WM Strickland, LJ Baker, J Lee, K Dindial… - Physical Review …, 2024 - APS
The tunneling of Cooper pairs across a Josephson junction (JJ) allows for the nonlinear
inductance necessary to construct superconducting qubits, amplifiers, and various other …

Fermionic quantum computation with Cooper pair splitters

K Vilkelis, ALR Manesco, JD Torres Luna, S Miles… - SciPost Physics, 2024 - scipost.org
We propose a practical implementation of a universal quantum computer that uses local
fermionic modes (LFM) rather than qubits. The device consists of quantum dots tunnel …

Truncation-Free Quantum Simulation of Pure-Gauge Compact QED Using Josephson Arrays

G Pardo, J Bender, N Katz, E Zohar - arXiv preprint arXiv:2410.11413, 2024 - arxiv.org
Quantum simulation is one of the methods that have been proposed and used in practice to
bypass computational challenges in the investigation of lattice gauge theories. While most of …

Gatemonium: A Voltage-Tunable Fluxonium

WM Strickland, BH Elfeky, L Baker, A Maiani… - arXiv preprint arXiv …, 2024 - arxiv.org
We present a new fluxonium qubit design, gatemonium, based on an all superconductor-
semiconductor hybrid platform exhibiting gate voltage tunability of $ E_J $. We first show the …

Superconductor-semiconductor hybrid capacitance with a nonlinear charge–voltage profile

J Lauwens, L Kerkhofs, A Sala… - Journal of Physics D …, 2023 - iopscience.iop.org
Electronic devices that work in the quantum regime often employ hybrid nanostructures to
bring about a nonlinear behaviour. The nonlinearity that these can provide has proven to be …

Atomistic Simulations of the Impact of Rotational Twin Planes Defects on the Optical Properties of InP Systems

CD Vedel, V Georgiev - 2024 International Conference on …, 2024 - ieeexplore.ieee.org
This paper aims to investigate the correlation between defects and device performance of III-
V materials. More specifically the material under investigation here is InP. To establish such …

Defects and their properties in InP and InGaAs: An ab initio study

CD Vedel - 2024 - theses.gla.ac.uk
Defects in III-V optoelectronic semiconductor devices are one the main bottlenecks for
further device improvements and can in extreme cases even cause complete loss of function …

Design of Tunable Couplers and Investigation of Materials Loss Mechanisms in Superconducting 2D and 3D Systems

NR Materise - 2023 - search.proquest.com
Superconducting qubits are among the leading physical qubit candidates, with coherence
times exceeding 100 microseconds and gate times on the order of tens of nanoseconds. At …