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 …

Universal quantum computing with twist-free and temporally encoded lattice surgery

C Chamberland, ET Campbell - PRX Quantum, 2022 - APS
Lattice-surgery protocols allow for the efficient implementation of universal gate sets with two-
dimensional topological codes where qubits are constrained to interact with one another …

ARQUIN: Architectures for Multinode Superconducting Quantum Computers

J Ang, G Carini, Y Chen, I Chuang, M Demarco… - ACM Transactions on …, 2024 - dl.acm.org
Many proposals to scale quantum technology rely on modular or distributed designs
wherein individual quantum processors, called nodes, are linked together to form one large …

Nonadiabatic geometric quantum computation with cat-state qubits via invariant-based reverse engineering

YH Kang, YH Chen, X Wang, J Song, Y Xia… - Physical Review …, 2022 - APS
We propose a protocol to realize nonadiabatic geometric quantum computation of small-
amplitude Schrödinger cat qubits via invariant-based reverse engineering. We consider a …

Performance of planar floquet codes with majorana-based qubits

A Paetznick, C Knapp, N Delfosse, B Bauer, J Haah… - PRX Quantum, 2023 - APS
Quantum error correction is crucial for any quantum computing platform to achieve truly
scalable quantum computation. The surface code and its variants have been considered the …

Error rates and resource overheads of repetition cat qubits

J Guillaud, M Mirrahimi - Physical Review A, 2021 - APS
We estimate and analyze the error rates and the resource overheads of the repetition cat
qubit approach to universal and fault-tolerant quantum computation. The cat qubits …

Resilience of quantum random access memory to generic noise

CT Hann, G Lee, SM Girvin, L Jiang - Prx Quantum, 2021 - APS
Quantum random access memory (QRAM)—memory which stores classical data but allows
queries to be performed in superposition—is required for the implementation of numerous …

Bias-tailored quantum LDPC codes

J Roffe, LZ Cohen, AO Quintavalle, D Chandra… - Quantum, 2023 - quantum-journal.org
Bias-tailoring allows quantum error correction codes to exploit qubit noise asymmetry.
Recently, it was shown that a modified form of the surface code, the XZZX code, exhibits …

Hetarch: Heterogeneous microarchitectures for superconducting quantum systems

S Stein, S Sussman, T Tomesh, C Guinn… - Proceedings of the 56th …, 2023 - dl.acm.org
Noisy Intermediate-Scale Quantum Computing (NISQ) has dominated headlines in recent
years, with the longer-term vision of Fault-Tolerant Quantum Computation (FTQC) offering …