Near-term quantum computing techniques: Variational quantum algorithms, error mitigation, circuit compilation, benchmarking and classical simulation

HL Huang, XY Xu, C Guo, G Tian, SJ Wei… - Science China Physics …, 2023 - Springer
Quantum computing is a game-changing technology for global academia, research centers
and industries including computational science, mathematics, finance, pharmaceutical …

Challenges and opportunities of near-term quantum computing systems

AD Córcoles, A Kandala, A Javadi-Abhari… - Proceedings of the …, 2019 - ieeexplore.ieee.org
The concept of quantum computing has inspired a whole new generation of scientists,
including physicists, engineers, and computer scientists, to fundamentally change the …

t| ket⟩: a retargetable compiler for NISQ devices

S Sivarajah, S Dilkes, A Cowtan… - Quantum Science …, 2020 - iopscience.iop.org
We present t| ket⟩, a quantum software development platform produced by Cambridge
Quantum Computing Ltd. The heart of t| ket⟩ is a language-agnostic optimising compiler …

Blueprint for a scalable photonic fault-tolerant quantum computer

JE Bourassa, RN Alexander, M Vasmer, A Patil… - Quantum, 2021 - quantum-journal.org
Photonics is the platform of choice to build a modular, easy-to-network quantum computer
operating at room temperature. However, no concrete architecture has been presented so …

A game of surface codes: Large-scale quantum computing with lattice surgery

D Litinski - Quantum, 2019 - quantum-journal.org
Given a quantum gate circuit, how does one execute it in a fault-tolerant architecture with as
little overhead as possible? In this paper, we discuss strategies for surface-code quantum …

ZX-calculus for the working quantum computer scientist

J van de Wetering - arxiv preprint arxiv:2012.13966, 2020 - arxiv.org
The ZX-calculus is a graphical language for reasoning about quantum computation that has
recently seen an increased usage in a variety of areas such as quantum circuit optimisation …

Quantum circuit optimization with deep reinforcement learning

T Fösel, MY Niu, F Marquardt, L Li - arxiv preprint arxiv:2103.07585, 2021 - arxiv.org
A central aspect for operating future quantum computers is quantum circuit optimization, ie,
the search for efficient realizations of quantum algorithms given the device capabilities. In …

Reducing the number of non-Clifford gates in quantum circuits

A Kissinger, J van de Wetering - Physical Review A, 2020 - APS
We present a method for reducing the number of non-Clifford quantum gates, in particularly
T-gates, in a circuit, an important task for efficiently implementing fault-tolerant quantum …

[HTML][HTML] Graph-theoretic Simplification of Quantum Circuits with the ZX-calculus

R Duncan, A Kissinger, S Perdrix… - Quantum, 2020 - quantum-journal.org
We present a completely new approach to quantum circuit optimisation, based on the ZX-
calculus. We first interpret quantum circuits as ZX-diagrams, which provide a flexible, lower …

Applying Grover's algorithm to AES: quantum resource estimates

M Grassl, B Langenberg, M Roetteler… - … Workshop on Post …, 2016 - Springer
We present quantum circuits to implement an exhaustive key search for the Advanced
Encryption Standard (AES) and analyze the quantum resources required to carry out such …