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 …

High-Fidelity Bell-State Preparation with Optical Qubits

CR Clark, HN Tinkey, BC Sawyer, AM Meier… - Physical Review Letters, 2021 - APS
Entanglement generation in trapped-ion systems has relied thus far on two distinct but
related geometric phase gate techniques: Mølmer-Sørensen and light-shift gates. We …

High-fidelity control and entanglement of Rydberg-atom qubits

H Levine, A Keesling, A Omran, H Bernien, S Schwartz… - Physical review …, 2018 - APS
Individual neutral atoms excited to Rydberg states are a promising platform for quantum
simulation and quantum information processing. However, experimental progress to date …

Blueprint for a microwave trapped ion quantum computer

B Lekitsch, S Weidt, AG Fowler, K Mølmer, SJ Devitt… - Science …, 2017 - science.org
The availability of a universal quantum computer may have a fundamental impact on a vast
number of research fields and on society as a whole. An increasingly large scientific and …

Operation of an optical atomic clock with a Brillouin laser subsystem

W Loh, J Stuart, D Reens, CD Bruzewicz, D Braje… - Nature, 2020 - nature.com
Microwave atomic clocks have traditionally served as the 'gold standard'for precision
measurements of time and frequency. However, over the past decade, optical atomic …

Pound–Drever–Hall feedforward: laser phase<? TeX\break?> noise suppression beyond feedback

YX Chao, ZX Hua, XH Liang, ZP Yue, L You… - Optica, 2024 - opg.optica.org
Pound–Drever–Hall (PDH) laser frequency stabilization is a powerful technique widely used
for building narrow linewidth lasers. This technique is, however, ineffective in suppressing …

Sensitivity of quantum gate fidelity to laser phase and intensity noise

X Jiang, J Scott, M Friesen, M Saffman - Physical Review A, 2023 - APS
The fidelity of gate operations on neutral atom qubits is often limited by fluctuations of the
laser drive. Here, we quantify the sensitivity of quantum gate fidelities to laser phase and …

Enhanced quantum state transfer via feedforward cancellation of optical phase noise

BP Maddox, JM Mortlock, TR Hepworth, AP Raghuram… - Physical review …, 2024 - APS
Many experimental platforms for quantum science depend on state control via laser fields.
Frequently, however, the control fidelity is limited by optical phase noise. This is exacerbated …

Trapped-ion quantum logic with global radiation fields

S Weidt, J Randall, SC Webster, K Lake, AE Webb… - Physical review …, 2016 - APS
Trapped ions are a promising tool for building a large-scale quantum computer. However,
the number of required radiation fields for the realization of quantum gates in any proposed …

Optimized compiler for distributed quantum computing

D Cuomo, M Caleffi, K Krsulich, F Tramonto… - ACM Transactions on …, 2023 - dl.acm.org
Practical distributed quantum computing requires the development of efficient compilers,
able to make quantum circuits compatible with some given hardware constraints. This …