[HTML][HTML] Universal control of a six-qubit quantum processor in silicon

SGJ Philips, MT Mądzik, SV Amitonov, SL de Snoo… - Nature, 2022 - nature.com
Future quantum computers capable of solving relevant problems will require a large number
of qubits that can be operated reliably. However, the requirements of having a large qubit …

Modeling semiconductor spin qubits and their charge noise environment for quantum gate fidelity estimation

MMEK Shehata, G Simion, R Li, FA Mohiyaddin, D Wan… - Physical Review B, 2023 - APS
The spin of an electron confined in semiconductor quantum dots is currently a promising
candidate for quantum bit (qubit) implementations. Taking advantage of the existing CMOS …

Single-spin-qubit geometric gate in a silicon quantum dot

RL Ma, AR Li, C Wang, ZZ Kong, WZ Liao, M Ni… - Physical Review …, 2024 - APS
Preserving qubit coherence and maintaining high-fidelity qubit control under complex noise
environment is an enduring challenge for scalable quantum computing. Here we …

High-Fidelity CNOT Gate for Donor Electron Spin Qubits in Silicon

L Kranz, S Roche, SK Gorman, JG Keizer… - Physical Review …, 2023 - APS
Donor dots realized with phosphorus atoms in silicon have proven to be excellent hosts for
electron spin qubits as they provide a strong confining potential that results in small wave …

[HTML][HTML] Coherence of a field gradient driven singlet-triplet qubit coupled to multielectron spin states in 28Si/SiGe

Y Song, J Yun, J Kim, W Jang, H Jang, J Park… - npj Quantum …, 2024 - nature.com
Engineered spin-electric coupling enables spin qubits in semiconductor nanostructures to
be manipulated efficiently and addressed individually. While synthetic spin-orbit coupling …

[HTML][HTML] Modular nanomagnet design for spin qubits confined in a linear chain

M Aldeghi, R Allenspach, G Salis - Applied Physics Letters, 2023 - pubs.aip.org
On-chip micromagnets enable electrically controlled quantum gates on electron spin qubits.
Extending the concept to a large number of qubits is challenging in terms of providing large …

[HTML][HTML] Leveraging off-the-shelf silicon chips for quantum computing

J Michniewicz, MS Kim - Applied Physics Letters, 2024 - pubs.aip.org
There is a growing demand for quantum computing across various sectors, including
finance, materials, and studying chemical reactions. A promising implementation involves …

High-fidelity CNOT gate for spin qubits with asymmetric driving using virtual gates

I Heinz, G Burkard - Physical Review B, 2022 - APS
Recent experiments have demonstrated two-qubit gate fidelities above 99% for
semiconductor spin qubits. However, theoretically, the fidelity of controlled-not (cnot) …

Micromagnet design for addressable fast spin manipulations in a 2× 2 quantum dot array

S Nakamura, H Kiyama, A Oiwa - Journal of Applied Physics, 2022 - pubs.aip.org
The scaling up of semiconductor quantum dots to two-dimensional arrays is attracting
considerable interest for use in large-scale spin-based quantum computation. One of the …

An iterative polygonal micromagnet design for spin–photon coupling on silicon

JC Yang, ZH Li, BC Wang, HO Li, G Cao… - Applied Physics …, 2023 - pubs.aip.org
Research to realize full electrical spin manipulation and spin–photon coupling on silicon
using micromagnets has been prevalent. To realize spin–photon coupling, micromagnets …