Noisy intermediate-scale quantum algorithms
A universal fault-tolerant quantum computer that can efficiently solve problems such as
integer factorization and unstructured database search requires millions of qubits with low …
integer factorization and unstructured database search requires millions of qubits with low …
Blueprint for a scalable photonic fault-tolerant quantum computer
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 …
operating at room temperature. However, no concrete architecture has been presented so …
[HTML][HTML] Quantum-assisted quantum compiling
Compiling quantum algorithms for near-term quantum computers (accounting for
connectivity and native gate alphabets) is a major challenge that has received significant …
connectivity and native gate alphabets) is a major challenge that has received significant …
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 …
little overhead as possible? In this paper, we discuss strategies for surface-code quantum …
The bitter truth about gate-based quantum algorithms in the NISQ era
Implementing a gate-based quantum algorithm on an noisy intermediate scale quantum
(NISQ) device has several challenges that arise from the fact that such devices are noisy …
(NISQ) device has several challenges that arise from the fact that such devices are noisy …
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 …
recently seen an increased usage in a variety of areas such as quantum circuit optimisation …
Quantum circuit optimization with deep reinforcement learning
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 …
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 …
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
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 …
calculus. We first interpret quantum circuits as ZX-diagrams, which provide a flexible, lower …
PyZX: Large scale automated diagrammatic reasoning
A Kissinger, J van de Wetering - arXiv preprint arXiv:1904.04735, 2019 - arxiv.org
The ZX-calculus is a graphical language for reasoning about ZX-diagrams, a type of tensor
networks that can represent arbitrary linear maps between qubits. Using the ZX-calculus, we …
networks that can represent arbitrary linear maps between qubits. Using the ZX-calculus, we …