Trapped-ion quantum computing: Progress and challenges

CD Bruzewicz, J Chiaverini, R McConnell… - Applied Physics …, 2019 - pubs.aip.org
Trapped ions are among the most promising systems for practical quantum computing (QC).
The basic requirements for universal QC have all been demonstrated with ions, and …

Materials challenges and opportunities for quantum computing hardware

NP De Leon, KM Itoh, D Kim, KK Mehta, TE Northup… - Science, 2021 - science.org
BACKGROUND The past two decades have seen intense efforts aimed at building quantum
computing hardware with the potential to solve problems that are intractable on classical …

Ion-trap measurements of electric-field noise near surfaces

M Brownnutt, M Kumph, P Rabl, R Blatt - Reviews of modern Physics, 2015 - APS
Electric-field noise near surfaces is a common problem in diverse areas of physics and a
limiting factor for many precision measurements. There are multiple mechanisms by which …

Materials challenges for trapped-ion quantum computers

KR Brown, J Chiaverini, JM Sage… - Nature Reviews Materials, 2021 - nature.com
Trapped-ion quantum information processors store information in atomic ions maintained in
position in free space by electric fields. Quantum logic is enacted through manipulation of …

[HTML][HTML] Shuttling-based trapped-ion quantum information processing

V Kaushal, B Lekitsch, A Stahl, J Hilder, D Pijn… - AVS Quantum …, 2020 - pubs.aip.org
Moving trapped-ion qubits in a microstructured array of radiofrequency traps offers a route
toward realizing scalable quantum processing nodes. Establishing such nodes, providing …

Co-designing a scalable quantum computer with trapped atomic ions

KR Brown, J Kim, C Monroe - npj Quantum Information, 2016 - nature.com
The first generation of quantum computers are on the horizon, fabricated from quantum
hardware platforms that may soon be able to tackle certain tasks that cannot be performed or …

High-fidelity ion state detection using trap-integrated avalanche photodiodes

D Reens, M Collins, J Ciampi, D Kharas, BF Aull… - Physical Review Letters, 2022 - APS
Integrated technologies greatly enhance the prospects for practical quantum information
processing and sensing devices based on trapped ions. High-speed and high-fidelity ion …

Measuring anomalous heating in a planar ion trap with variable ion-surface separation

IA Boldin, A Kraft, C Wunderlich - Physical review letters, 2018 - APS
Cold ions trapped in the vicinity of conductive surfaces experience heating of their oscillatory
motion. Typically, the rate of this heating is orders of magnitude larger than expected from …

Heating of a trapped ion induced by dielectric materials

M Teller, DA Fioretto, PC Holz, P Schindler… - Physical Review Letters, 2021 - APS
Electric-field noise due to surfaces disturbs the motion of nearby trapped ions, compromising
the fidelity of gate operations that are the basis for quantum computing algorithms. We …

Evidence for multiple mechanisms underlying surface electric-field noise in ion traps

JA Sedlacek, J Stuart, DH Slichter, CD Bruzewicz… - Physical Review A, 2018 - APS
Electric-field noise from ion-trap electrode surfaces can limit the fidelity of multiqubit
entangling operations in trapped-ion quantum information processors and can give rise to …