activity
20182026
most citedDemonstration of the trapped-ion quantum-CCD computer architecture

564 citations · 1.6k across the 26 of their papers we have counts for

collaborators

28 papers

quant-ph2026

Quantum error correction well below the color code threshold

Ali Lavasani, Adam P. Reed, Joan M. Dreiling +20

Quantum error correction enables scalable fault-tolerant quantum computation by suppressing logical errors exponentially with code distance once physical error rates fall below a c…

quant-ph2026

Benchmarking the computational power of quantum computers

Timothy Proctor, Oliver Hart, Oliver Widzowski Maupin +27

Quantum computing hardware is advancing rapidly toward utility-scale machines that will enable scientific breakthroughs. Many teams are pursuing distinct and difficult-to-compare r…

quant-ph2026

Experimental validation of a compact fault-tolerant architecture for trapped ions

Noah Berthusen, Ali Lavasani, Asmae Benhemou +11

Quantum error correction (QEC) is beginning to enable logical operations that outperform their unencoded physical counterparts, but useful fault-tolerant computation will require m…

quant-ph2026

Computing with many encoded logical qubits beyond break-even

Shival Dasu, Matthew DeCross, Andrew Y. Guo +42

High-rate quantum error correcting (QEC) codes encode many logical qubits in a given number of physical qubits, making them promising candidates for quantum computation. Implementi…

quant-ph2025

Helios: A 98-qubit trapped-ion quantum computer

Anthony Ransford, M. S. Allman, Jake Arkinstall +183

We report on Quantinuum Helios, a 98-qubit trapped-ion quantum processor based on the quantum charge-coupled device (QCCD) architecture. Helios features Ba hyperfine…

quant-ph2025

Realization of a Quantum Streaming Algorithm on Long-lived Trapped-ion Qubits

Pradeep Niroula, Shouvanik Chakrabarti, Steven Kordonowy +30

Large classical datasets are often processed in the streaming model, with data arriving one item at a time. In this model, quantum algorithms have been shown to offer an unconditio…

quant-ph2025

Certified randomness amplification by dynamically probing remote random quantum states

Minzhao Liu, Pradeep Niroula, Matthew DeCross +49

Cryptography depends on truly unpredictable numbers, but physical sources emit biased or correlated bits. Quantum mechanics enables the amplification of imperfect randomness into n…

quant-ph2025

Superconducting pairing correlations on a trapped-ion quantum computer

Etienne Granet, Sheng-Hsuan Lin, Kevin Hémery +31

The Fermi-Hubbard model is the starting point for the simulation of many strongly correlated materials, including high-temperature superconductors, whose modelling is a key motivat…

quant-ph2025★ 2 cited

Quantum Error-Corrected Computation of Molecular Energies

Kentaro Yamamoto, Yuta Kikuchi, David Amaro +18

We present the first demonstration of an end-to-end pipeline with quantum error correction (QEC) for a quantum computation of the electronic structure of molecular systems. We calc…

quant-ph2025★ 33 cited

Certified randomness using a trapped-ion quantum processor

Minzhao Liu, Ruslan Shaydulin, Pradeep Niroula +29

While quantum computers have the potential to perform a wide range of practically important tasks beyond the capabilities of classical computers, realizing this potential remains a…

quant-ph2025★ 8 cited

Digital quantum magnetism on a trapped-ion quantum computer

Reza Haghshenas, Eli Chertkov, Michael Mills +56

Digital quantum matter -- realized when discrete quantum gates approximate continuous time evolution -- is susceptible to heating into chaotic, structureless states. If digitizatio…

quant-ph2024★ 14 cited

Qutrit Toric Code and Parafermions in Trapped Ions

Mohsin Iqbal, Anasuya Lyons, Chiu Fan Bowen Lo +16

The development of programmable quantum devices can be measured by the complexity of manybody states that they are able to prepare. Among the most significant are topologically ord…

quant-ph2024★ 14 cited

Experiments with the 4D Surface Code on a QCCD Quantum Computer

Noah Berthusen, Joan Dreiling, Cameron Foltz +9

Single-shot quantum error correction has the potential to speed up quantum computations by removing the need for multiple rounds of syndrome extraction in order to be fault-toleran…

quant-ph2024★ 32 cited

The computational power of random quantum circuits in arbitrary geometries

Matthew DeCross, Reza Haghshenas, Minzhao Liu +49

Empirical evidence for a gap between the computational powers of classical and quantum computers has been provided by experiments that sample the output distributions of two-dimens…

quant-ph2024

High-fidelity and Fault-tolerant Teleportation of a Logical Qubit using Transversal Gates and Lattice Surgery on a Trapped-ion Quantum Computer

C. Ryan-Anderson, N. C. Brown, C. H. Baldwin +21

Quantum state teleportation is commonly used in designs for large-scale fault-tolerant quantum computers. Using Quantinuum's H2 trapped-ion quantum processor, we implement the firs…

quant-ph2024★ 4 cited

Benchmarking logical three-qubit quantum Fourier transform encoded in the Steane code on a trapped-ion quantum computer

Karl Mayer, Ciarán Ryan-Anderson, Natalie Brown +20

We implement logically encoded three-qubit circuits for the quantum Fourier transform (QFT), using the [[7,1,3]] Steane code, and benchmark the circuits on the Quantinuum H2-1 trap…

quant-ph2024★ 40 cited

Demonstration of logical qubits and repeated error correction with better-than-physical error rates

A. Paetznick, M. P. da Silva, C. Ryan-Anderson +29

The promise of quantum computers hinges on the ability to scale to large system sizes, e.g., to run quantum computations consisting of more than 100 million operations fault-tolera…

quant-ph2023★ 29 cited

Measuring the Loschmidt amplitude for finite-energy properties of the Fermi-Hubbard model on an ion-trap quantum computer

Kévin Hémery, Khaldoon Ghanem, Eleanor Crane +16

Calculating the equilibrium properties of condensed matter systems is one of the promising applications of near-term quantum computing. Recently, hybrid quantum-classical time-seri…

quant-ph2023★ 119 cited

Evidence of Scaling Advantage for the Quantum Approximate Optimization Algorithm on a Classically Intractable Problem

Ruslan Shaydulin, Changhao Li, Shouvanik Chakrabarti +26

The quantum approximate optimization algorithm (QAOA) is a leading candidate algorithm for solving optimization problems on quantum computers. However, the potential of QAOA to tac…

quant-ph2023★ 350 cited

A Race Track Trapped-Ion Quantum Processor

S. A. Moses, C. H. Baldwin, M. S. Allman +93

We describe and benchmark a new quantum charge-coupled device (QCCD) trapped-ion quantum computer based on a linear trap with periodic boundary conditions, which resembles a race t…

quant-ph2023★ 175 cited

Non-Abelian Topological Order and Anyons on a Trapped-Ion Processor

Mohsin Iqbal, Nathanan Tantivasadakarn, Ruben Verresen +15

Non-Abelian topological order (TO) is a coveted state of matter with remarkable properties, including quasiparticles that can remember the sequence in which they are exchanged. The…

quant-ph2021★ 36 cited

Suppression of mid-circuit measurement crosstalk errors with micromotion

J. P. Gaebler, C. H. Baldwin, S. A. Moses +5

Mid-circuit measurement and reset are crucial primitives in quantum computation, but such operations require strong interactions with selected qubits while maintaining isolation of…

quant-ph2021★ 31 cited

Entanglement from tensor networks on a trapped-ion QCCD quantum computer

Michael Foss-Feig, Stephen Ragole, Andrew Potter +9

The ability to selectively measure, initialize, and reuse qubits during a quantum circuit enables a mapping of the spatial structure of certain tensor-network states onto the dynam…

quant-ph2020★ 91 cited

Holographic quantum algorithms for simulating correlated spin systems

Michael Foss-Feig, David Hayes, Joan M. Dreiling +5

We present a suite of "holographic" quantum algorithms for efficient ground-state preparation and dynamical evolution of correlated spin-systems, which require far-fewer qubits tha…