High-fidelity teleportation of a logical qubit using transversal gates and lattice surgery

C Ryan-Anderson, NC Brown, CH Baldwin, JM Dreiling… - Science, 2024 - science.org
Quantum state teleportation is commonly used in designs for large-scale quantum
computers. Using Quantinuum's H2 trapped-ion quantum processor, we demonstrate fault …

Demonstration of quantum computation and error correction with a tesseract code

BW Reichardt, D Aasen, R Chao… - arXiv preprint arXiv …, 2024 - arxiv.org
A critical milestone for quantum computers is to demonstrate fault-tolerant computation that
outperforms computation on physical qubits. The tesseract subsystem color code protects …

Large-scale quantum reservoir learning with an analog quantum computer

M Kornjača, HY Hu, C Zhao, J Wurtz… - arXiv preprint arXiv …, 2024 - arxiv.org
Quantum machine learning has gained considerable attention as quantum technology
advances, presenting a promising approach for efficiently learning complex data patterns …

Efficient fault-tolerant code switching via one-way transversal CNOT gates

S Heußen, J Hilder - arXiv preprint arXiv:2409.13465, 2024 - arxiv.org
Code switching is an established technique that facilitates a universal set of FT quantum
gate operations by combining two QEC codes with complementary sets of gates, which each …

Highly-efficient quantum Fourier transformations for some nonabelian groups

EM Murairi, MS Alam, H Lamm, S Hadfield… - arXiv preprint arXiv …, 2024 - arxiv.org
Quantum Fourier transformations are an essential component of many quantum algorithms,
from prime factoring to quantum simulation. While the standard abelian QFT is well-studied …

Performance of quantum approximate optimization with quantum error detection

Z He, D Amaro, R Shaydulin, M Pistoia - arXiv preprint arXiv:2409.12104, 2024 - arxiv.org
Quantum algorithms must be scaled up to tackle real-world applications. Doing so requires
overcoming the noise present on today's hardware. The quantum approximate optimization …

Parameter Setting Heuristics Make the Quantum Approximate Optimization Algorithm Suitable for the Early Fault-Tolerant Era

Z He, R Shaydulin, D Herman, C Li, R Raymond… - arXiv preprint arXiv …, 2024 - arxiv.org
Quantum Approximate Optimization Algorithm (QAOA) is one of the most promising quantum
heuristics for combinatorial optimization. While QAOA has been shown to perform well on …

Low-cost noise reduction for Clifford circuits

N Delfosse, E Tham - arXiv preprint arXiv:2407.06583, 2024 - arxiv.org
We propose a Clifford noise reduction (CliNR) scheme that provides a reduction of the
logical error rate of Clifford circuit with lower overhead than error correction and without the …

Highly-efficient quantum Fourier transformations for certain non-Abelian groups

EM Murairi, MS Alam, H Lamm, S Hadfield… - Physical Review D, 2024 - APS
Quantum Fourier transformations are an essential component of many quantum algorithms,
from prime factoring to quantum simulation. While the standard Abelian QFrT is well studied …

Experimental Demonstration of Logical Magic State Distillation

PS Rodriguez, JM Robinson, PN Jepsen, Z He… - arXiv preprint arXiv …, 2024 - arxiv.org
Realizing universal fault-tolerant quantum computation is a key goal in quantum information
science. By encoding quantum information into logical qubits utilizing quantum error …