Nanomaterials for quantum information science and engineering

A Alfieri, SB Anantharaman, H Zhang… - Advanced …, 2023 - Wiley Online Library
Quantum information science and engineering (QISE)—which entails the use of quantum
mechanical states for information processing, communications, and sensing—and the area …

Materials for silicon quantum dots and their impact on electron spin qubits

A Saraiva, WH Lim, CH Yang, CC Escott… - Advanced Functional …, 2022 - Wiley Online Library
Quantum computers have the potential to efficiently solve problems in logistics, drug and
material design, finance, and cybersecurity. However, millions of qubits will be necessary for …

Precision tomography of a three-qubit donor quantum processor in silicon

MT Mądzik, S Asaad, A Youssry, B Joecker… - Nature, 2022 - nature.com
Nuclear spins were among the first physical platforms to be considered for quantum
information processing,, because of their exceptional quantum coherence and atomic-scale …

A ten-qubit solid-state spin register with quantum memory up to one minute

CE Bradley, J Randall, MH Abobeih, RC Berrevoets… - Physical Review X, 2019 - APS
Spins associated with single defects in solids provide promising qubits for quantum-
information processing and quantum networks. Recent experiments have demonstrated …

Ytterbium nuclear-spin qubits in an optical tweezer array

A Jenkins, JW Lis, A Senoo, WF McGrew, AM Kaufman - Physical Review X, 2022 - APS
We report on the realization of a fast, scalable, and high-fidelity qubit architecture, based on
Yb 171 atoms in an optical tweezer array. We demonstrate several attractive properties of …

Fast two-qubit logic with holes in germanium

NW Hendrickx, DP Franke, A Sammak, G Scappucci… - Nature, 2020 - nature.com
Universal quantum information processing requires the execution of single-qubit and two-
qubit logic. Across all qubit realizations, spin qubits in quantum dots have great promise to …

Assembly and coherent control of a register of nuclear spin qubits

K Barnes, P Battaglino, BJ Bloom, K Cassella… - Nature …, 2022 - nature.com
The generation of a register of highly coherent, but independent, qubits is a prerequisite to
performing universal quantum computation. Here we introduce a qubit encoded in two …

Nuclear spin-wave quantum register for a solid-state qubit

A Ruskuc, CJ Wu, J Rochman, J Choi, A Faraon - Nature, 2022 - nature.com
Solid-state nuclear spins surrounding individual, optically addressable qubits, are a crucial
resource for quantum networks,,–, computation,,,–and simulation. Although hosts with …

Coherent spin qubit transport in silicon

J Yoneda, W Huang, M Feng, CH Yang… - Nature …, 2021 - nature.com
A fault-tolerant quantum processor may be configured using stationary qubits interacting
only with their nearest neighbours, but at the cost of significant overheads in physical qubits …

Spatial noise correlations beyond nearest neighbors in Si-Ge spin qubits

JS Rojas-Arias, A Noiri, P Stano, T Nakajima… - Physical Review …, 2023 - APS
We detect correlations in qubit-energy fluctuations of non-neighboring qubits defined in
isotopically purified Si/Si-Ge quantum dots. At low frequencies (where the noise is …