Integrated photonics in quantum technologies

T Giordani, F Hoch, G Carvacho, N Spagnolo… - La Rivista del Nuovo …, 2023 - Springer
Quantum information processing is nowadays an established branch of quantum mechanics
applications. Recent results in different areas, ranging from communications to computing …

A versatile single-photon-based quantum computing platform

N Maring, A Fyrillas, M Pont, E Ivanov, P Stepanov… - Nature …, 2024 - nature.com
Quantum computing aims at exploiting quantum phenomena to efficiently perform
computations that are unfeasible even for the most powerful classical supercomputers …

[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) …

Experimental certification of contextuality, coherence, and dimension in a programmable universal photonic processor

T Giordani, R Wagner, C Esposito, A Camillini… - Science …, 2023 - science.org
Quantum superposition of high-dimensional states enables both computational speed-up
and security in cryptographic protocols. However, the exponential complexity of tomographic …

Unitary-invariant witnesses of quantum imaginarity

C Fernandes, R Wagner, L Novo, EF Galvão - Physical Review Letters, 2024 - APS
Quantum theory is traditionally formulated using complex numbers. This imaginarity of
quantum theory has been quantified as a resource with applications in discrimination tasks …

[HTML][HTML] A spin-optical quantum computing architecture

G de Gliniasty, P Hilaire, PE Emeriau, SC Wein… - Quantum, 2024 - quantum-journal.org
We introduce an adaptable and modular hybrid architecture designed for fault-tolerant
quantum computing. It combines quantum emitters and linear-optical entangling gates to …

LOv-calculus: A graphical language for linear optical quantum circuits

A Clément, N Heurtel, S Mansfield, S Perdrix… - arxiv preprint arxiv …, 2022 - arxiv.org
We introduce the LOv-calculus, a graphical language for reasoning about linear optical
quantum circuits with so-called vacuum state auxiliary inputs. We present the axiomatics of …

Polarization-encoded photonic quantum-to-quantum Bernoulli factory based on a quantum dot source

G Rodari, F Hoch, A Suprano, T Giordani, E Negro… - Science …, 2024 - science.org
A Bernoulli factory is a randomness manipulation routine that takes as input a Bernoulli
random variable, outputting another Bernoulli variable whose bias is a function of the input …

Integrated photonics for quantum communications and metrology

L Labonté, O Alibart, V D'Auria, F Doutre, J Etesse… - PRX Quantum, 2024 - APS
Over the last two decades, integrated photonics has profoundly revolutionized the domain of
quantum technologies. The ongoing second quantum revolution stands as a timely …

Simulating photonic devices with noisy optical elements

M Vischi, G Di Bartolomeo, M Proietti, S Koudia… - Physical Review …, 2024 - APS
Quantum computers are inherently affected by noise. While in the long term, error correction
codes will account for noise at the cost of increasing physical qubits, in the near term, the …