In the past decade, semiconducting qubits have made great strides in overcoming
decoherence, improving the prospects for scalability and have become one of the leading …

Abstract This Technical Review collects values of selected performance characteristics of
semiconductor spin qubits defined in electrically controlled nanostructures. The …

Electron spin qubits formed by atoms in silicon have large (tens of millielectronvolts) orbital
energies and weak spin–orbit coupling, giving rise to isolated electron spin ground states …

Semiconductor spins are one of the few qubit realizations that remain a serious candidate
for the implementation of large-scale quantum circuits. Excellent scalability is often argued …

We demonstrate rapid high-fidelity state preparation and measurement in exchange-only
Si/Si Ge triple-quantum-dot qubits. Fast measurement integration (980-ns) and initialization …

The readout of semiconductor spin qubits based on spin blockade is fast but suffers from a
small charge signal. Previous work suggested large benefits from additional charge …

Donor spins in silicon provide a promising material platform for large scale quantum
computing. Excellent electron spin coherence times of T 2*= 268 μ s with fidelities of 99.9 …

Fault-tolerant quantum computation requires qubit measurements to be both high fidelity
and fast to ensure that idling qubits do not generate more errors during the measurement of …

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 …

Substitutional donor atoms in silicon are promising qubits for quantum computation with
extremely long relaxation and dephasing times demonstrated. One of the critical challenges …