European Photonic Quantum Computer

Informations projet

EPIQUE

N° de convention de subvention: 101135288

DOI

10.3030/101135288

Date de signature de la CE 15 Novembre 2023

Date de début 1 Janvier 2024

Date de fin 31 Decembre 2026

Financé au titre de

• Digital, Industry and Space

Coût total

€ 10 340 741,50

Contribution de l’UE

€ 10 340 741,50

Coordonné par

UNIVERSITA DEGLI STUDI DI ROMA LA SAPIENZA
Italy

CORDIS fournit des liens vers les livrables publics et les publications des projets HORIZON.

Les liens vers les livrables et les publications des projets du 7e PC, ainsi que les liens vers certains types de résultats spécifiques tels que les jeux de données et les logiciels, sont récupérés dynamiquement sur OpenAIRE .

Livrables

Websites, patent fillings, videos etc. (1)

Project Logo and Website

A dedicated logo and website regularly updated with project results, publications, outreach activities, deliverables, etc

Demonstrators, pilots, prototypes (4)

Special-purpose laser source for high clock rate pulsed squeezing

Target parameters: 1 GHz repetition rate, 300 ps pulses (switchable to continuous-wave operation), ~1 W peak power at 775 nm, 100 mW at 1550 nm

Demonstrator of a 70% efficient source of indistinguishable photons

Fabrication of 70% bright source of indistinguishable single photons based on optimised cavity and excitation scheme

Simulation and proof of principle device of a detector array

Simulation showing number of pixels needed to achieve required specifications and a demonstration of first pixelated detector in cryostat

Fast and low-loss optical switch demonstrator

A demonstrator of an optical switch with switching time <10 ns, with internal loss <0.5 dB will be provided

Documents, reports (3)

Benchmarks for photonic quantum information processing

Report on photonic analogues of randomized benchmarking and quantum volume to assess power of photonic quantum processors

Report on hardware requirements for small-scale demonstrations of the models studied in Task 5.1, involving limited or no adaptivity

Study on characteristics and hardware requirements of computational models promising for near-term photonic devices: non-adaptive measurement-based quantum computation, sampling and variational algorithms

Report on engineered quantum light sources

Summary report on the generation of pulsed two-mode squeezing with picosecond pulses

Publications

Peer reviewed articles (32)

Photonic Source of Heralded Greenberger-Horne-Zeilinger States

Auteurs: H. Cao, L. M. Hansen, F. Giorgino, L. Carosini, P. Zahálka, F. Zilk, J. C. Loredo, P. Walther
Publié dans: Physical Review Letters, Numéro 132, 2025, ISSN 0031-9007
Éditeur: American Physical Society (APS)
DOI: 10.1103/PHYSREVLETT.132.130604

Purifying Photon Indistinguishability through Quantum Interference

Auteurs: Carlos F. D. Faurby, Lorenzo Carosini, Huan Cao, Patrik I. Sund, Lena M. Hansen, Francesco Giorgino, Andrew B. Villadsen, Stefan N. van den Hoven, Peter Lodahl, Stefano Paesani, Juan C. Loredo, Philip Walther
Publié dans: Physical Review Letters, Numéro 133, 2025, ISSN 0031-9007
Éditeur: American Physical Society (APS)
DOI: 10.1103/PHYSREVLETT.133.033604

Deterministic and reconfigurable graph state generation with a single solid-state quantum emitter

Auteurs: H. Huet, P. R. Ramesh, S. C. Wein, N. Coste, P. Hilaire, N. Somaschi, M. Morassi, A. Lemaître, I. Sagnes, M. F. Doty, O. Krebs, L. Lanco, D. A. Fioretto, P. Senellart
Publié dans: Nature Communications, Numéro 16, 2025, ISSN 2041-1723
Éditeur: Springer Science and Business Media LLC
DOI: 10.1038/S41467-025-59693-3

Quantum machine learning with Adaptive Boson Sampling via post-selection

Auteurs: Francesco Hoch, Eugenio Caruccio, Giovanni Rodari, Tommaso Francalanci, Alessia Suprano, Taira Giordani, Gonzalo Carvacho, Nicolò Spagnolo, Seid Koudia, Massimiliano Proietti, Carlo Liorni, Filippo Cerocchi, Riccardo Albiero, Niki Di Giano, Marco Gardina, Francesco Ceccarelli, Giacomo Corrielli, Ulysse Chabaud, Roberto Osellame, Massimiliano Dispenza, Fabio Sciarrino
Publié dans: Nature Communications, Numéro 16, 2025, ISSN 2041-1723
Éditeur: Springer Science and Business Media LLC
DOI: 10.1038/S41467-025-55877-Z

Experimental verification of threshold quantum state tomography on a fully-reconfigurable photonic integrated circuit

Auteurs: Eugenio Caruccio, Diego Maragnano, Giovanni Rodari, Davide Picus, Giovanni Garberoglio, Daniele Binosi, Riccardo Albiero, Niki Di Giano, Francesco Ceccarelli, Giacomo Corrielli, Nicolò Spagnolo, Roberto Osellame, Maurizio Dapor, Marco Liscidini, Fabio Sciarrino
Publié dans: npj Quantum Information, Numéro 11, 2025, ISSN 2056-6387
Éditeur: Springer Science and Business Media LLC
DOI: 10.1038/S41534-025-01111-Z

Experimental observation of counter-intuitive features of photonic bunching

Auteurs: Giovanni Rodari, Carlos Fernandes, Eugenio Caruccio, Alessia Suprano, Francesco Hoch, Taira Giordani, Gonzalo Carvacho, Riccardo Albiero, Niki Di Giano, Giacomo Corrielli, Francesco Ceccarelli, Roberto Osellame, Daniel J. Brod, Leonardo Novo, Nicolò Spagnolo, Ernesto F. Galvão, Fabio Sciarrino
Publié dans: Light: Science &amp; Applications, Numéro 15, 2026, ISSN 2047-7538
Éditeur: Springer Science and Business Media LLC
DOI: 10.1038/S41377-026-02250-4

Experimental data reuploading with provable enhanced learning capabilities

Auteurs: Martin F. X. Mauser, Solène Four, Lena Marie Predl, Riccardo Albiero, Francesco Ceccarelli, Roberto Osellame, Philipp Petersen, Borivoje Dakić, Iris Agresti, Philip Walther
Publié dans: Science Advances, Numéro 12, 2026, ISSN 2375-2548
Éditeur: American Association for the Advancement of Science (AAAS)
DOI: 10.1126/SCIADV.AEB1397

Quantum memristor with vacuum-one-photon qubits

Auteurs: Simone Di Micco, Beatrice Polacchi, Taira Giordani, Fabio Sciarrino
Publié dans: Physical Review Research, Numéro 7, 2025, ISSN 2643-1564
Éditeur: American Physical Society (APS)
DOI: 10.1103/4KPY-XFQ2

Beyond quantum linear optics with adaptive boson sampling

Auteurs: Giovanni Rodari, Tommaso Francalanci, Eugenio Caruccio, Francesco Hoch, Giorgio Milani, Gonzalo Carvacho, Taira Giordani, Nicolò Spagnolo, Riccardo Albiero, Niki Di Giano, Giacomo Corrielli, Andrea Crespi, Francesco Ceccarelli, Mattia Bossi, Abhiram Rajan, Roberto Osellame, Ulysse Chabaud, Fabio Sciarrino
Publié dans: Nature Photonics, Numéro 20, 2026, ISSN 1749-4885
Éditeur: Springer Science and Business Media LLC
DOI: 10.1038/S41566-026-01959-3

Observation of Lie algebraic invariants in quantum linear optics

Auteurs: Giovanni Rodari, Tommaso Francalanci, Eugenio Caruccio, Francesco Hoch, Gonzalo Carvacho, Taira Giordani, Nicolò Spagnolo, Riccardo Albiero, Niki Di Giano, Francesco Ceccarelli, Giacomo Corrielli, Andrea Crespi, Roberto Osellame, Ulysse Chabaud, Fabio Sciarrino
Publié dans: Physical Review Research, Numéro 7, 2025, ISSN 2643-1564
Éditeur: American Physical Society (APS)
DOI: 10.1103/7961-HG2Q

Time-series forecasting with multiphoton quantum states and integrated photonics

Auteurs: Rosario Di Bartolo, Simone Piacentini, Francesco Ceccarelli, Giacomo Corrielli, Roberto Osellame, Valeria Cimini, Fabio Sciarrino
Publié dans: npj Quantum Information, Numéro 12, 2026, ISSN 2056-6387
Éditeur: Springer Science and Business Media LLC
DOI: 10.1038/S41534-026-01236-9

Ability of entanglement and purity to help to detect systematic experimental errors

Auteurs: Julia Freund, Francesco Basso Basset, Tobias M. Krieger, Alessandro Laneve, Mattia Beccaceci, Michele B. Rota, Quirin Buchinger, Saimon F. Covre da Silva, Sandra Stroj, Sven Höfling, Tobias Huber-Loyola, Richard Kueng, Armando Rastelli, Rinaldo Trotta, Otfried Gühne
Publié dans: Physical Review A, Numéro 113, 2026, ISSN 2469-9926
Éditeur: American Physical Society (APS)
DOI: 10.1103/B74J-XXV2

Towards practical secure delegated quantum computing with semi-classical light

Auteurs: Boris Bourdoncle, Pierre-Emmanuel Emeriau, Paul Hilaire, Shane Mansfield, Luka Music, Stephen Wein
Publié dans: Quantum, Numéro 9, 2025, ISSN 2521-327X
Éditeur: Verein zur Forderung des Open Access Publizierens in den Quantenwissenschaften
DOI: 10.22331/Q-2025-12-12-1943

Laser-written reconfigurable photonic integrated circuit directly coupled to a single-photon avalanche diode array

Auteurs: Giulio Gualandi, Simone Atzeni, Marco Gardina, Antonino Caime, Giacomo Corrielli, Ivan Labanca, Angelo Gulinatti, Ivan Rech, Roberto Osellame, Giulia Acconcia, Francesco Ceccarelli
Publié dans: Light: Science &amp; Applications, Numéro 14, 2025, ISSN 2047-7538
Éditeur: Springer Science and Business Media LLC
DOI: 10.1038/S41377-025-01854-6

Demonstration of hardware efficient photonic variational quantum algorithm

Auteurs: Iris Agresti, Koushik Paul, Peter Schiansky, Simon Steiner, Zhenghao Yin, Ciro Pentangelo, Simone Piacentini, Andrea Crespi, Yue Ban, Francesco Ceccarelli, Roberto Osellame, Xi Chen, Philip Walther
Publié dans: Physical Review Research, Numéro 7, 2026, ISSN 2643-1564
Éditeur: American Physical Society (APS)
DOI: 10.1103/D7BB-YBFH

Universal, Unambiguous Concentration and Distillation of Bell pairs

Auteurs: Orsolya Kálmán, Aurél Gábris, Igor Jex, Tamás Kiss
Publié dans: Physical Review Letters, Numéro 135, 2025, ISSN 0031-9007
Éditeur: American Physical Society (APS)
DOI: 10.1103/RCX1-W6J7

Photonic quantum convolutional neural networks with adaptive state injection

Auteurs: Léo Monbroussou, Beatrice Polacchi, Verena Yacoub, Eugenio Caruccio, Giovanni Rodari, Francesco Hoch, Gonzalo Carvacho, Nicolò Spagnolo, Taira Giordani, Mattia Bossi, Abhiram Rajan, Niki Di Giano, Riccardo Albiero, Francesco Ceccarelli, Roberto Osellame, Elham Kashefi, Fabio Sciarrino
Publié dans: Advanced Photonics, Numéro 7, 2025, ISSN 2577-5421
Éditeur: SPIE-Intl Soc Optical Eng
DOI: 10.1117/1.AP.7.6.066012

A logical implication between two conjectures on matrix permanents

Auteurs: Léo Pioge, Kamil K. Pietrasz, Benoit Seron, Leonardo Novo, Nicolas J. Cerf
Publié dans: Linear Algebra and its Applications, Numéro 725, 2025, ISSN 0024-3795
Éditeur: Elsevier BV
DOI: 10.1016/J.LAA.2025.07.011

Generalized photon-bunching bounds in linear and non-linear quantum optical dynamics

Auteurs: Tommaso Francalanci, Giovanni Rodari, Eugenio Caruccio, Francesco Hoch, Gonzalo Carvacho, Taira Giordani, Nicolò Spagnolo, Riccardo Albiero, Niki Di Giano, Giacomo Corrielli, Francesco Ceccarelli, Roberto Osellame, Ulysse Chabaud, Fabio Sciarrino
Publié dans: Optica, Numéro 13, 2026, ISSN 2334-2536
Éditeur: Optica Publishing Group
DOI: 10.1364/OPTICA.579537

Quantum communication with quantum dots beyond telecom wavelengths via hollow-core fibers

Auteurs: Lorenzo Carosini, Francesco Giorgino, Patrik I. Sund, Lena M. Hansen, Rene R. Hamel, S. Mohammad Abokhamis Mousavi, Lee A. Rozema, Francesco Poletti, Radan Slavík, Philip Walther, Christopher Hilweg
Publié dans: Optica Quantum, Numéro 4, 2026, ISSN 2837-6714
Éditeur: Optica Publishing Group
DOI: 10.1364/OPTICAQ.579657

A Spin-Optical Quantum Computing Architecture

Auteurs: Grégoire de Gliniasty, Paul Hilaire, Pierre-Emmanuel Emeriau, Stephen C. Wein, Alexia Salavrakos, Shane Mansfield
Publié dans: Quantum, Numéro 8, 2024, ISSN 2521-327X
Éditeur: Verein zur Forderung des Open Access Publizierens in den Quantenwissenschaften
DOI: 10.22331/Q-2024-07-24-1423

Experimental aspects of indefinite causal order in quantum mechanics

Auteurs: Lee A. Rozema; Teodor Strömberg; Huan Cao; Yu Guo; Bi-Heng Liu; Philip Walther
Publié dans: Nature Reviews Physics, 2024, ISSN 2522-5820
Éditeur: Springer Nature Limited
DOI: 10.48550/arxiv.2405.00767

Enhancing the efficiency of quantum-dot-based single-photon source designs by suppressing background emission using concentric rings

Auteurs: Martin Arentoft Jacobsen, Luca Vannucci, Julien Claudon, Jean-Michel Gérard, Niels Gregersen
Publié dans: Scientific Reports, 2026, ISSN 2045-2322
Éditeur: Springer Science and Business Media LLC
DOI: 10.1038/S41598-026-62488-1

Experimental validation of boson sampling using detector binning

Auteurs: Malaquias Correa Anguita, Anita Camillini, Sara Marzban, Marco Robbio, Benoît Seron, Leonardo Novo, Jelmer J Renema
Publié dans: Quantum Science and Technology, 2025, ISSN 2058-9565
Éditeur: IOP Publishing
DOI: 10.1088/2058-9565/ADECBC

Wavevector-resolved polarization entanglement from radiative cascades

Auteurs: Alessandro Laneve, Michele B. Rota, Francesco Basso Basset, Mattia Beccaceci, Valerio Villari, Thomas Oberleitner, Yorick Reum, Tobias M. Krieger, Quirin Buchinger, Rohit Prasad, Saimon F. Covre da Silva, Andreas Pfenning, Sandra Stroj, Sven Höfling, Armando Rastelli, Tobias Huber-Loyola, Rinaldo Trotta
Publié dans: Nature Communications, Numéro 16, 2025, ISSN 2041-1723
Éditeur: Springer Science and Business Media LLC
DOI: 10.1038/S41467-025-61460-3

Elementary characterization of Bargmann invariants

Auteurs: Sagar Silva Pratapsi, João Gouveia, Leonardo Novo, Ernesto F. Galvão
Publié dans: Physical Review A, Numéro 112, 2026, ISSN 2469-9926
Éditeur: American Physical Society (APS)
DOI: 10.1103/HSNV-WPT3

Minimizing Resource Overhead in Fusion-Based Quantum Computation Using Hybrid Spin-Photon Devices

Auteurs: Stephen C. Wein, Timothée Goubault de Brugière, Luka Music, Pascale Senellart, Boris Bourdoncle, Shane Mansfield
Publié dans: PRX Quantum, Numéro 6, 2025, ISSN 2691-3399
Éditeur: American Physical Society (APS)
DOI: 10.1103/8L5G-X3B7

Quantum interferences and gates with emitter-based coherent photon sources

Auteurs: I. Maillette de Buy Wenniger, S. C. Wein, D. Fioretto, S. E. Thomas, C. Antón-Solanas, A. Lemaître, I. Sagnes, A. Harouri, N. Belabas, N. Somaschi, P. Hilaire, J. Senellart, P. Senellart
Publié dans: Optica Quantum, Numéro 2, 2024, ISSN 2837-6714
Éditeur: Optica Publishing Group
DOI: 10.1364/OPTICAQ.527420

Error-mitigated photonic quantum circuit Born machine

Auteurs: Alexia Salavrakos, Tigran Sedrakyan, James Mills, Shane Mansfield, Rawad Mezher
Publié dans: Physical Review A, Numéro 111, 2025, ISSN 2469-9926
Éditeur: American Physical Society (APS)
DOI: 10.1103/PHYSREVA.111.L030401

Efficient fibre-pigtailed source of indistinguishable single photons

Auteurs: Nico Margaria, Florian Pastier, Thinhinane Bennour, Marie Billard, Edouard Ivanov, William Hease, Petr Stepanov, Albert F. Adiyatullin, Raksha Singla, Mathias Pont, Maxime Descampeaux, Alice Bernard, Anton Pishchagin, Martina Morassi, Aristide Lemaître, Thomas Volz, Valérian Giesz, Niccolo Somaschi, Nicolas Maring, Sébastien Boissier, Thi Huong Au, Pascale Senellart
Publié dans: Nature Communications, Numéro 16, 2025, ISSN 2041-1723
Éditeur: Springer Science and Business Media LLC
DOI: 10.1038/S41467-025-62712-Y

Photonic parameter-shift rule: Enabling gradient computation for photonic quantum computers

Auteurs: Axel Pappalardo, Pierre-Emmanuel Emeriau, Giovanni de Felice, Brian Ventura, Hugo Jaunin, Richie Yeung, Bob Coecke, Shane Mansfield
Publié dans: Physical Review A, Numéro 111, 2025, ISSN 2469-9926
Éditeur: American Physical Society (APS)
DOI: 10.1103/PHYSREVA.111.032429

Quantum teleportation with dissimilar quantum dots over a hybrid quantum network

Auteurs: Alessandro Laneve, Giuseppe Ronco, Mattia Beccaceci, Paolo Barigelli, Francesco Salusti, Nicolas Claro-Rodriguez, Giorgio De Pascalis, Alessia Suprano, Leone Chiaudano, Eva Schöll, Lukas Hanschke, Tobias M. Krieger, Quirin Buchinger, Saimon F. Covre da Silva, Julia Neuwirth, Sandra Stroj, Sven Höfling, Tobias Huber-Loyola, Mario A. Usuga Castaneda, Gonzalo Carvacho, Nicolò Spagnolo, Michele B. Rota, Francesco Basso Basset, Armando Rastelli, Fabio Sciarrino, Klaus D. Jöns, Rinaldo Trotta
Publié dans: Nature Communications, Numéro 16, 2025, ISSN 2041-1723
Éditeur: Springer Science and Business Media LLC
DOI: 10.1038/S41467-025-65911-9