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 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 …

Single ion qubit with estimated coherence time exceeding one hour

P Wang, CY Luan, M Qiao, M Um, J Zhang… - Nature …, 2021 - nature.com
Realizing a long coherence time quantum memory is a major challenge of current quantum
technology. Until now, the longest coherence-time of a single qubit was reported as 660 s in …

Midcircuit Operations Using the omg Architecture in Neutral Atom Arrays

JW Lis, A Senoo, WF McGrew, F Rönchen, A Jenkins… - Physical Review X, 2023 - APS
Midcircuit operations, such as qubit state measurement or reset, are central to many tasks in
quantum information science, including quantum computing, entanglement generation, and …

Natural and artificial atoms for quantum computation

I Buluta, S Ashhab, F Nori - Reports on Progress in Physics, 2011 - iopscience.iop.org
Remarkable progress towards realizing quantum computation has been achieved using
natural and artificial atoms as qubits. This paper presents a brief overview of the current …

Deep strong coupling regime of the Jaynes-Cummings model

J Casanova, G Romero, I Lizuain, JJ García-Ripoll… - Physical review …, 2010 - APS
We study the quantum dynamics of a two-level system interacting with a quantized harmonic
oscillator in the deep strong coupling regime (DSC) of the Jaynes-Cummings model, that is …

Emergence and frustration of magnetism with variable-range interactions in a quantum simulator

R Islam, C Senko, WC Campbell, S Korenblit, J Smith… - science, 2013 - science.org
Frustration, or the competition between interacting components of a network, is often
responsible for the emergent complexity of many-body systems. For instance, frustrated …

Single-qubit quantum memory exceeding ten-minute coherence time

Y Wang, M Um, J Zhang, S An, M Lyu, JN Zhang… - Nature …, 2017 - nature.com
A long-time quantum memory capable of storing and measuring quantum information at the
single-qubit level is an essential ingredient for practical quantum computation and …

Ultrafast energy exchange between two single Rydberg atoms on a nanosecond timescale

Y Chew, T Tomita, TP Mahesh, S Sugawa… - Nature …, 2022 - nature.com
Rydberg atoms, with their enormous electronic orbitals, exhibit dipole–dipole interactions
reaching the gigahertz range at a distance of a micrometre, making them a prominent …

Onset of a quantum phase transition with a trapped ion quantum simulator

R Islam, EE Edwards, K Kim, S Korenblit, C Noh… - Nature …, 2011 - nature.com
A quantum simulator is a well-controlled quantum system that can follow the evolution of a
prescribed model whose behaviour may be difficult to determine. A good example is the …