Quantum computers as universal quantum simulators: state‐of‐the‐art and perspectives

F Tacchino, A Chiesa, S Carretta… - Advanced Quantum …, 2020 - Wiley Online Library
The past few years have witnessed the concrete and fast spreading of quantum
technologies for practical computation and simulation. In particular, quantum computing …

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 …

Long-lived Bell states in an array of optical clock qubits

N Schine, AW Young, WJ Eckner, MJ Martin… - Nature Physics, 2022 - nature.com
The generation of long-lived entanglement in optical atomic clocks is one of the main goals
of quantum metrology. Arrays of neutral atoms, where Rydberg-based interactions may …

Demonstration of three-and four-body interactions between trapped-ion spins

O Katz, L Feng, A Risinger, C Monroe, M Cetina - Nature Physics, 2023 - nature.com
Quantum processors use the native interactions between effective spins to simulate
Hamiltonians or execute quantum gates. In most processors, the native interactions are …

Entangling gates for trapped-ion quantum computation and quantum simulation

Z Cai, CY Luan, L Ou, H Tu, Z Yin, JN Zhang… - Journal of the Korean …, 2023 - Springer
The trapped-ion system has been a leading platform for practical quantum computation and
quantum simulation since the first scheme of a quantum gate was proposed by Cirac and …

Global entangling gates on arbitrary ion qubits

Y Lu, S Zhang, K Zhang, W Chen, Y Shen, J Zhang… - Nature, 2019 - nature.com
Quantum computers can efficiently solve classically intractable problems, such as the
factorization of a large number and the simulation of quantum many-body systems …

High-fidelity two-qubit gates using a microelectromechanical-system-based beam steering system for individual qubit addressing

Y Wang, S Crain, C Fang, B Zhang, S Huang… - Physical Review Letters, 2020 - APS
In a large scale trapped atomic ion quantum computer, high-fidelity two-qubit gates need to
be extended over all qubits with individual control. We realize and characterize high-fidelity …

Robust and Resource-Efficient Microwave Near-Field Entangling Gate

G Zarantonello, H Hahn, J Morgner, M Schulte… - Physical review …, 2019 - APS
Microwave trapped-ion quantum logic gates avoid spontaneous emission as a fundamental
source of decoherence. However, microwave two-qubit gates are still slower than laser …

Programmable -Body Interactions with Trapped Ions

O Katz, M Cetina, C Monroe - PRX Quantum, 2023 - APS
Trapped atomic ion qubits or effective spins are a powerful quantum platform for quantum
computation and simulation, featuring densely connected and efficiently programmable …

Resilient entangling gates for trapped ions

AE Webb, SC Webster, S Collingbourne, D Bretaud… - Physical review …, 2018 - APS
Constructing a large-scale ion trap quantum processor will require entangling gate
operations that are robust in the presence of noise and experimental imperfection. We …