[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 …

Silicon spin qubits from laboratory to industry

M De Michielis, E Ferraro, E Prati, L Hutin… - Journal of Physics D …, 2023 - iopscience.iop.org
Quantum computation (QC) is one of the most challenging quantum technologies that
promise to revolutionize data computation in the long-term by outperforming the classical …

Hole Spin Qubits in FinFETs With Fully Tunable Spin-Orbit Coupling and Sweet Spots for Charge Noise

S Bosco, B Hetényi, D Loss - PRX Quantum, 2021 - APS
The strong spin-orbit coupling in hole spin qubits enables fast and electrically tunable gates,
but at the same time enhances the susceptibility of the qubit to charge noise. Suppressing …

Spin readout of a CMOS quantum dot by gate reflectometry and spin-dependent tunneling

VN Ciriano-Tejel, MA Fogarty, S Schaal, L Hutin… - PRX Quantum, 2021 - APS
Silicon spin qubits are promising candidates for realizing large-scale quantum processors,
benefitting from a magnetically quiet host material and the prospects of leveraging the …

Large dispersive interaction between a CMOS double quantum dot and microwave photons

DJ Ibberson, T Lundberg, JA Haigh, L Hutin, B Bertrand… - PRX Quantum, 2021 - APS
We report fast charge-state readout of a double quantum dot in a CMOS split-gate silicon
nanowire transistor via the large dispersive interaction with microwave photons in a lumped …

Hole spin qubits in thin curved quantum wells

S Bosco, D Loss - Physical Review Applied, 2022 - APS
Hole spin qubits are frontrunner platforms for scalable quantum computers because of their
large spin-orbit interaction that enables ultrafast all-electric qubit control at low power. The …

Exceptional-point-engineered dispersive readout of a driven three-level atom weakly interacting with coupled cavities in non-Markovian environments

JF Yang, HZ Shen - Physical Review A, 2024 - APS
In this paper we study the dispersive readout of a driven three-level atom weakly interacting
with a passive cavity that couples to an active cavity. The system excluding the three-level …

Controlling synthetic spin-orbit coupling in a silicon quantum dot with magnetic field

X Zhang, Y Zhou, RZ Hu, RL Ma, M Ni, K Wang… - Physical Review …, 2021 - APS
Tunable synthetic spin-orbit coupling (SSOC) is one of the key challenges in various
quantum systems, such as ultracold atomic gases, topological superconductors, and …

Compilation and scaling strategies for a silicon quantum processor with sparse two-dimensional connectivity

O Crawford, JR Cruise, N Mertig… - npj Quantum …, 2023 - nature.com
Inspired by the challenge of scaling-up existing silicon quantum hardware, we propose a 2d
spin-qubit architecture with low compilation overhead. The architecture is based on silicon …

Parametric amplifiers based on quantum dots

L Cochrane, T Lundberg, DJ Ibberson, LA Ibberson… - Physical Review Letters, 2022 - APS
Josephson parametric amplifiers (JPAs) approaching quantum-limited noise performance
have been instrumental in enabling high fidelity readout of superconducting qubits and …