Variational quantum algorithms

M Cerezo, A Arrasmith, R Babbush… - Nature Reviews …, 2021 - nature.com
Applications such as simulating complicated quantum systems or solving large-scale linear
algebra problems are very challenging for classical computers, owing to the extremely high …

The potential and global outlook of integrated photonics for quantum technologies

E Pelucchi, G Fagas, I Aharonovich, D Englund… - Nature Reviews …, 2022 - nature.com
Integrated quantum photonics uses classical integrated photonic technologies and devices
for quantum applications. As in classical photonics, chip-scale integration has become …

Cost function dependent barren plateaus in shallow parametrized quantum circuits

M Cerezo, A Sone, T Volkoff, L Cincio… - Nature communications, 2021 - nature.com
Variational quantum algorithms (VQAs) optimize the parameters θ of a parametrized
quantum circuit V (θ) to minimize a cost function C. While VQAs may enable practical …

Learning quantum systems

V Gebhart, R Santagati, AA Gentile, EM Gauger… - Nature Reviews …, 2023 - nature.com
The future development of quantum technologies relies on creating and manipulating
quantum systems of increasing complexity, with key applications in computation, simulation …

Layerwise learning for quantum neural networks

A Skolik, JR McClean, M Mohseni… - Quantum Machine …, 2021 - Springer
With the increased focus on quantum circuit learning for near-term applications on quantum
devices, in conjunction with unique challenges presented by cost function landscapes of …

Hybrid integration methods for on-chip quantum photonics

JH Kim, S Aghaeimeibodi, J Carolan, D Englund… - Optica, 2020 - opg.optica.org
The goal of integrated quantum photonics is to combine components for the generation,
manipulation, and detection of nonclassical light in a phase-stable and efficient platform …

Noise resilience of variational quantum compiling

K Sharma, S Khatri, M Cerezo… - New Journal of Physics, 2020 - iopscience.iop.org
Variational hybrid quantum-classical algorithms (VHQCAs) are near-term algorithms that
leverage classical optimization to minimize a cost function, which is efficiently evaluated on …

A universal fully reconfigurable 12-mode quantum photonic processor

C Taballione, R van der Meer… - Materials for …, 2021 - iopscience.iop.org
Photonic processors are pivotal for both quantum and classical information processing tasks
using light. In particular, linear optical quantum information processing requires both large …

An adaptive optimizer for measurement-frugal variational algorithms

JM Kübler, A Arrasmith, L Cincio, PJ Coles - Quantum, 2020 - quantum-journal.org
Variational hybrid quantum-classical algorithms (VHQCAs) have the potential to be useful in
the era of near-term quantum computing. However, recently there has been concern …

[HTML][HTML] 20-mode universal quantum photonic processor

C Taballione, MC Anguita, M de Goede… - Quantum, 2023 - quantum-journal.org
Integrated photonics is an essential technology for optical quantum computing. Universal,
phase-stable, reconfigurable multimode interferometers (quantum photonic processors) …