Review of performance metrics of spin qubits in gated semiconducting nanostructures

P Stano, D Loss - Nature Reviews Physics, 2022 - nature.com
Abstract This Technical Review collects values of selected performance characteristics of
semiconductor spin qubits defined in electrically controlled nanostructures. The …

Universal control of four singlet–triplet qubits

X Zhang, E Morozova, M Rimbach-Russ… - Nature …, 2024 - nature.com
The coherent control of interacting spins in semiconductor quantum dots is of strong interest
for quantum information processing and for studying quantum magnetism from the bottom …

Real-time two-axis control of a spin qubit

F Berritta, T Rasmussen, JA Krzywda… - Nature …, 2024 - nature.com
Optimal control of qubits requires the ability to adapt continuously to their ever-changing
environment. We demonstrate a real-time control protocol for a two-electron singlet-triplet …

[HTML][HTML] Perspective on exchange-coupled quantum-dot spin chains

YP Kandel, H Qiao, JM Nichol - Applied Physics Letters, 2021 - pubs.aip.org
Electron spins in semiconductor quantum dots are a promising platform for quantum-
information processing applications because their quantum phase coherence can persist for …

Enhanced quantum state preparation via stochastic predictions of neural networks

CC Li, RH He, ZM Wang - Physical Review A, 2023 - APS
In pursuit of enhancing the prediction capabilities of neural networks, it has been a
longstanding objective to create datasets encompassing a diverse array of samples. The …

Limitations on the maximal level of entanglement of two singlet–triplet qubits in GaAs quantum dots

I Bragar, Ł Cywiński - Quantum Information Processing, 2024 - Springer
We analyze in detail a procedure of entangling of two singlet–triplet (S–\(T_ {0}\)) qubits
operated in a regime when energy associated with the magnetic field gradient,\(\Delta B …

Modularized and scalable compilation for double quantum dot quantum computing

RH He, XS Xu, MS Byrd, ZM Wang - Quantum Science and …, 2023 - iopscience.iop.org
Any quantum program on a realistic quantum device must be compiled into an executable
form while taking into account the underlying hardware constraints. Stringent restrictions on …

True decoherence-free-subspace derived from a semiconductor double quantum dot Heisenberg spin-trimer

W Jang, J Kim, J Park, MK Cho, H Jang, S Sim… - arxiv preprint arxiv …, 2024 - arxiv.org
Spins in solid systems can inherently serve as qubits for quantum simulation or quantum
information processing. Spin qubits are usually prone to environmental magnetic field …

Universal control of four singlet-triplet qubits

L Vandersypen, X Zhang, E Morozova… - 2024 - researchsquare.com
The coherent control of interacting spins in semiconductor quantum dots is of strong interest
for quantum information processing as well as for studying quantum magnetism from the …

[PDF][PDF] Krz wda

F Berritta, T Rasmussen - … ,., Van der Hei …, 2024 - scholarlypublications …
Results Device and Bayesian estimation We use a top-gated GaAs DQD array 29 and tune
up one of its ST0 qubits using the gate electrodes shown in Fig. 1 c, at 200 mT in-plane …