Quantum error mitigation

Z Cai, R Babbush, SC Benjamin, S Endo… - Reviews of Modern …, 2023 - APS
For quantum computers to successfully solve real-world problems, it is necessary to tackle
the challenge of noise: the errors that occur in elementary physical components due to …

[HTML][HTML] The variational quantum eigensolver: a review of methods and best practices

J Tilly, H Chen, S Cao, D Picozzi, K Setia, Y Li, E Grant… - Physics Reports, 2022 - Elsevier
The variational quantum eigensolver (or VQE), first developed by Peruzzo et al.(2014), has
received significant attention from the research community in recent years. It uses the …

Realizing repeated quantum error correction in a distance-three surface code

S Krinner, N Lacroix, A Remm, A Di Paolo, E Genois… - Nature, 2022 - nature.com
Quantum computers hold the promise of solving computational problems that are intractable
using conventional methods. For fault-tolerant operation, quantum computers must correct …

Fault-tolerant control of an error-corrected qubit

L Egan, DM Debroy, C Noel, A Risinger, D Zhu… - Nature, 2021 - nature.com
Quantum error correction protects fragile quantum information by encoding it into a larger
quantum system,. These extra degrees of freedom enable the detection and correction of …

A quantum processor based on coherent transport of entangled atom arrays

D Bluvstein, H Levine, G Semeghini, TT Wang, S Ebadi… - Nature, 2022 - nature.com
The ability to engineer parallel, programmable operations between desired qubits within a
quantum processor is key for building scalable quantum information systems,. In most state …

Realization of an error-correcting surface code with superconducting qubits

Y Zhao, Y Ye, HL Huang, Y Zhang, D Wu, H Guan… - Physical Review Letters, 2022 - APS
Quantum error correction is a critical technique for transitioning from noisy intermediate-
scale quantum devices to fully fledged quantum computers. The surface code, which has a …

Demonstration of fault-tolerant universal quantum gate operations

L Postler, S Heuβen, I Pogorelov, M Rispler, T Feldker… - Nature, 2022 - nature.com
Quantum computers can be protected from noise by encoding the logical quantum
information redundantly into multiple qubits using error-correcting codes,. When …

Compact ion-trap quantum computing demonstrator

I Pogorelov, T Feldker, CD Marciniak, L Postler… - PRX Quantum, 2021 - APS
Quantum information processing is steadily progressing from a purely academic discipline
towards applications throughout science and industry. Transitioning from lab-based, proof-of …

Fault-tolerant operation of a logical qubit in a diamond quantum processor

MH Abobeih, Y Wang, J Randall, SJH Loenen… - Nature, 2022 - nature.com
Solid-state spin qubits is a promising platform for quantum computation and quantum
networks,. Recent experiments have demonstrated high-quality control over multi-qubit …

Topological order from measurements and feed-forward on a trapped ion quantum computer

M Iqbal, N Tantivasadakarn, TM Gatterman… - Communications …, 2024 - nature.com
Quantum systems evolve in time in one of two ways: through the Schrödinger equation or
wavefunction collapse. So far, deterministic control of quantum many-body systems in the …