Semiconductor spin qubits

G Burkard, TD Ladd, A Pan, JM Nichol, JR Petta - Reviews of Modern Physics, 2023 - APS
The spin degree of freedom of an electron or a nucleus is one of the most basic properties of
nature and functions as an excellent qubit, as it provides a natural two-level system that is …

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 …

A four-qubit germanium quantum processor

NW Hendrickx, WIL Lawrie, M Russ, F van Riggelen… - Nature, 2021 - nature.com
The prospect of building quantum circuits 1, 2 using advanced semiconductor manufacturing
makes quantum dots an attractive platform for quantum information processing 3, 4 …

[HTML][HTML] Probing quantum devices with radio-frequency reflectometry

F Vigneau, F Fedele, A Chatterjee, D Reilly… - Applied Physics …, 2023 - pubs.aip.org
Many important phenomena in quantum devices are dynamic, meaning that they cannot be
studied using time-averaged measurements alone. Experiments that measure such transient …

Simultaneous single-qubit driving of semiconductor spin qubits at the fault-tolerant threshold

WIL Lawrie, M Rimbach-Russ, F Riggelen… - Nature …, 2023 - nature.com
Practical Quantum computing hinges on the ability to control large numbers of qubits with
high fidelity. Quantum dots define a promising platform due to their compatibility with …

Phase flip code with semiconductor spin qubits

F Van Riggelen, WIL Lawrie, M Russ… - npj Quantum …, 2022 - nature.com
The fault-tolerant operation of logical qubits is an important requirement for realizing a
universal quantum computer. Spin qubits based on quantum dots have great potential to be …

Magnetic phases of bilayer quantum-dot Hubbard model plaquettes

D Buterakos, S Das Sarma - Physical Review B, 2023 - APS
It has been demonstrated that small plaquettes of quantum dot spin qubits are capable of
simulating condensed matter phenomena that arise from the Hubbard model, such as the …

Probing resonating valence bonds on a programmable germanium quantum simulator

CA Wang, C Déprez, H Tidjani, WIL Lawrie… - npj Quantum …, 2023 - nature.com
Simulations using highly tunable quantum systems may enable investigations of condensed
matter systems beyond the capabilities of classical computers. Quantum dots and donors in …

Charge-noise-induced dephasing in silicon hole-spin qubits

O Malkoc, P Stano, D Loss - Physical Review Letters, 2022 - APS
We investigate, theoretically, charge-noise-induced spin dephasing of a hole confined in a
quasi-two-dimensional silicon quantum dot. Central to our treatment is accounting for higher …

Semiconductor quantum computing: Toward a CMOS quantum computer on chip

R Nikandish, E Blokhina, D Leipold… - IEEE Nanotechnology …, 2021 - ieeexplore.ieee.org
Quantum computing has the potential to create a paradigm shift in computing technology,
which can lead to breakthroughs in emerging applications that rely on ultra-high …