Advances in bosonic quantum error correction with Gottesman–Kitaev–Preskill Codes: Theory, engineering and applications

AJ Brady, A Eickbusch, S Singh, J Wu… - Progress in Quantum …, 2024 - Elsevier
Encoding quantum information into a set of harmonic oscillators is considered a hardware
efficient approach to mitigate noise for reliable quantum information processing. Various …

Fast universal control of an oscillator with weak dispersive coupling to a qubit

A Eickbusch, V Sivak, AZ Ding, SS Elder, SR Jha… - Nature Physics, 2022 - nature.com
Full manipulation of a quantum system requires controlled evolution generated by nonlinear
interactions, which is coherent when the rate of nonlinearity is large compared with the rate …

Practical quantum error correction with the XZZX code and Kerr-cat qubits

AS Darmawan, BJ Brown, AL Grimsmo, DK Tuckett… - PRX Quantum, 2021 - APS
The development of robust architectures capable of large-scale fault-tolerant quantum
computation should consider both their quantum error-correcting codes and the underlying …

Quantum error correction with the Gottesman-Kitaev-Preskill code

AL Grimsmo, S Puri - PRX Quantum, 2021 - APS
The Gottesman-Kitaev-Preskill (GKP) code was proposed in 2001 by Daniel Gottesman,
Alexei Kitaev, and John Preskill as a way to encode a qubit in an oscillator. The GKP …

Information processing at the speed of light

M AbuGhanem - Frontiers of Optoelectronics, 2024 - Springer
In recent years, quantum computing has made significant strides, particularly in light-based
technology. The introduction of quantum photonic chips has ushered in an era marked by …

Fault-tolerant continuous-variable measurement-based quantum computation architecture

MV Larsen, C Chamberland, K Noh… - Prx Quantum, 2021 - APS
Continuous-variable measurement-based quantum computation on cluster states has in
recent years shown great potential for scalable, universal, and fault-tolerant quantum …

Optimizing resource efficiencies for scalable full-stack quantum computers

M Fellous-Asiani, JH Chai, Y Thonnart, HK Ng… - PRX Quantum, 2023 - APS
In the race to build scalable quantum computers, minimizing the resource consumption of
their full stack to achieve a target performance becomes crucial. It mandates a synergy of …

Designing high-fidelity Zeno gates for dissipative cat qubits

R Gautier, M Mirrahimi, A Sarlette - PRX Quantum, 2023 - APS
Bosonic cat qubits stabilized with a driven two-photon dissipation are systems with
exponentially biased noise, opening the door to low-overhead, fault-tolerant, and universal …

Encoding qubits in multimode grid states

B Royer, S Singh, SM Girvin - PRX Quantum, 2022 - APS
Encoding logical quantum information in harmonic oscillator modes is a promising and
hardware-efficient approach to the realization of a quantum computer. In this work, we …

Weight-reduced stabilizer codes with lower overhead

E Sabo, LG Gunderman, B Ide, M Vasmer… - PRX Quantum, 2024 - APS
Stabilizer codes are the most widely studied class of quantum error-correcting codes and
form the basis of most proposals for a fault-tolerant quantum computer. A stabilizer code is …