High-fidelity spin qubit operation and algorithmic initialization above 1 K

JY Huang, RY Su, WH Lim, MK Feng, B van Straaten… - Nature, 2024 - nature.com
The encoding of qubits in semiconductor spin carriers has been recognized as a promising
approach to a commercial quantum computer that can be lithographically produced and …

Bounds to electron spin qubit variability for scalable CMOS architectures

JD Cifuentes, T Tanttu, W Gilbert, JY Huang… - Nature …, 2024 - nature.com
Spins of electrons in silicon MOS quantum dots combine exquisite quantum properties and
scalable fabrication. In the age of quantum technology, however, the metrics that crowned …

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 …

Pipeline quantum processor architecture for silicon spin qubits

SM Patomäki, MF Gonzalez-Zalba, MA Fogarty… - npj Quantum …, 2024 - nature.com
We propose a quantum processor architecture, the qubit 'pipeline', in which run-time scales
additively as functions of circuit depth and run repetitions. Run-time control is applied …

Hamiltonian phase error in resonantly driven CNOT gate above the fault-tolerant threshold

YH Wu, LC Camenzind, A Noiri, K Takeda… - npj Quantum …, 2024 - nature.com
Because of their long coherence time and compatibility with industrial foundry processes,
electron spin qubits are a promising platform for scalable quantum processors. A full-fledged …

Elongated quantum dot as a distributed charge sensor

SM Patomäki, J Williams, F Berritta, C Lainé… - Physical Review …, 2024 - APS
Increasing the separation between semiconductor quantum dots offers scaling advantages
by facilitating gate routing and the integration of sensors and charge reservoirs. Elongated …

Atomistic modeling of Si spin qubits from first principles

L Cvitkovich - 2024 - repositum.tuwien.at
Despite immense research efforts driven by the exciting promises of quantum information
processing, the physical realization of a large-scale quantum computer has not yet been …