Tunable quantum simulation of spin models with a two-dimensional ion crystal

M Qiao, Z Cai, Y Wang, B Du, N Jin, W Chen, P Wang… - Nature Physics, 2024 - nature.com
Quantum spin models have been extensively used to study the properties of strongly
correlated systems and to find approximate solutions to combinatorial optimization …

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 …

Bilayer crystals of trapped ions for quantum information processing

S Hawaldar, P Shahi, AL Carter, AM Rey, JJ Bollinger… - Physical Review X, 2024 - APS
Trapped-ion systems are a leading platform for quantum information processing, but they
are currently limited to 1D and 2D arrays, which imposes restrictions on both their scalability …

Designing filter functions of frequency-modulated pulses for high-fidelity two-qubit gates in ion chains

M Kang, Y Wang, C Fang, B Zhang, O Khosravani… - Physical Review …, 2023 - APS
High-fidelity two-qubit gates in quantum computers are often hampered by fluctuating
experimental parameters. The effects of time-varying parameter fluctuations lead to coherent …

Batch optimization of frequency-modulated pulses for robust two-qubit gates in ion chains

M Kang, Q Liang, B Zhang, S Huang, Y Wang… - Physical Review …, 2021 - APS
Two-qubit gates in trapped-ion quantum computers are generated by applying spin-
dependent forces that temporarily entangle the internal state of the ion with its motion. Laser …

Trapped-ion quantum computer with robust entangling gates and quantum coherent feedback

T Manovitz, Y Shapira, L Gazit, N Akerman, R Ozeri - PRX quantum, 2022 - APS
Quantum computers are expected to achieve a significant speed-up over classical
computers in solving a range of computational problems. Chains of ions held in a linear Paul …

Quantum simulations with complex geometries and synthetic gauge fields in a trapped ion chain

T Manovitz, Y Shapira, N Akerman, A Stern, R Ozeri - PRX quantum, 2020 - APS
In recent years, arrays of atomic ions in a linear radio-frequency trap have proven to be a
particularly successful platform for quantum simulation. However, a wide range of quantum …

Quantum control methods for robust entanglement of trapped ions

CH Valahu, I Apostolatos, S Weidt… - Journal of Physics B …, 2022 - iopscience.iop.org
A major obstacle in the way of practical quantum computing is achieving scalable and robust
high-fidelity entangling gates. To this end, quantum control has become an essential tool, as …

Observing frustrated quantum magnetism in two-dimensional ion crystals

M Qiao, Z Cai, Y Wang, B Du, N Jin, W Chen… - arXiv preprint arXiv …, 2022 - arxiv.org
Two-dimensional (2D) quantum magnetism is a paradigm in strongly correlated many-body
physics. The understanding of 2D quantum magnetism can be expedited by employing a …

Robust two-qubit gates for trapped ions using spin-dependent squeezing

Y Shapira, S Cohen, N Akerman, A Stern, R Ozeri - Physical review letters, 2023 - APS
Entangling gates are an essential component of quantum computers. However, generating
high-fidelity gates, in a scalable manner, remains a major challenge in all quantum …