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CMOS-based cryogenic control of silicon quantum circuits
Xiao Xue, Bishnu Patra, Jeroen P. G. van Dijk +21
The most promising quantum algorithms require quantum processors hosting millions of quantum bits when targeting practical applications. A major challenge towards large-scale quant…
High-fidelity two-qubit gates in silicon above one Kelvin
L. Petit, M. Russ, H. G. J. Eenink +4
Spin qubits in quantum dots define an attractive platform for scalable quantum information because of their compatibility with semiconductor manufacturing, their long coherence tim…
Low percolation density and charge noise with holes in germanium
M. Lodari, N. W. Hendrickx, W. I. L. Lawrie +5
We engineer planar Ge/SiGe heterostructures for low disorder and quiet hole quantum dot operation by positioning the strained Ge channel 55~nm below the semiconductor/dielectric in…
On-chip Integration of Si/SiGe-based Quantum Dots and Switched-capacitor Circuits
Y. Xu, F. K. Unseld, A. Corna +9
Solid-state qubits integrated on semiconductor substrates currently require at least one wire from every qubit to the control electronics, leading to a so-called wiring bottleneck…
On-chip microwave filters for high-impedance resonators with gate-defined quantum dots
Patrick Harvey-Collard, Guoji Zheng, Jurgen Dijkema +4
Circuit quantum electrodynamics (QED) employs superconducting microwave resonators as quantum buses. In circuit QED with semiconductor quantum-dot-based qubits, increasing the reso…
Mesoscopic Elastic Distortions in GaAs Quantum Dot Heterostructures
Anastasios Pateras, Joonkyu Park, Youngjun Ahn +9
Quantum devices formed in high-electron-mobility semiconductor heterostructures provide a route through which quantum mechanical effects can be exploited on length scales accessibl…