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Photonic Quantum Computing

Total Cost €


EC-Contrib. €






Project "PQC" data sheet

The following table provides information about the project.


Organization address
postcode: BS8 1QU

contact info
title: n.a.
name: n.a.
surname: n.a.
function: n.a.
email: n.a.
telephone: n.a.
fax: n.a.

 Coordinator Country United Kingdom [UK]
 Total cost 2˙009˙429 €
 EC max contribution 2˙009˙429 € (100%)
 Programme 1. H2020-EU.1.1. (EXCELLENT SCIENCE - European Research Council (ERC))
 Code Call ERC-2014-CoG
 Funding Scheme ERC-COG
 Starting year 2015
 Duration (year-month-day) from 2015-06-01   to  2020-05-31


Take a look of project's partnership.

# participants  country  role  EC contrib. [€] 
1    UNIVERSITY OF BRISTOL UK (BRISTOL) coordinator 2˙009˙429.00


 Project objective

This CoG will simultaneously address the outstanding research challenges to establishing the feasibility of large-scale photonic quantum computing by:

1. Designing, fabricating and optimising the required hardware (WP1) components—inc. waveguides, couplers, phase shifters, delays, interconnects, spectral filters, photon sources and detectors, and control electronics.

2. Establishing paths to the integration (WP2) of these components into complete systems.

3. Developing accurate, exhaustive and verified model of errors (WP3) in photonic quantum systems for optimised fault tolerance strategies, and efficient large-scale architectures (WP4).

4. Exploring and developing approaches to optimising this architecture both generally, and for specific applications (WP5).

Addressing these challenges in parallel will be essential to realising the vision because interim outputs are required to address each challenge, and an iterative approach with the flexibility to redistribute resources and effort is necessary to reach an optimal solution in minimal time.


year authors and title journal last update
List of publications.
2016 C. M. Wilkes, X. Qiang, J. Wang, R. Santagati, S. Paesani, X. Zhou, D. A. B. Miller, G. D. Marshall, M. G. Thompson, J. L. O’Brien
60  dB high-extinction auto-configured Mach–Zehnder interferometer
published pages: 5318, ISSN: 0146-9592, DOI: 10.1364/ol.41.005318
Optics Letters 41/22 2019-09-04
2018 Raffaele Santagati, Jianwei Wang, Antonio A. Gentile, Stefano Paesani, Nathan Wiebe, Jarrod R. McClean, Sam Morley-Short, Peter J. Shadbolt, Damien Bonneau, Joshua W. Silverstone, David P. Tew, Xiaoqi Zhou, Jeremy L. O’Brien, Mark G. Thompson
Witnessing eigenstates for quantum simulation of Hamiltonian spectra
published pages: eaap9646, ISSN: 2375-2548, DOI: 10.1126/sciadv.aap9646
Science Advances 4/1 2019-09-04
2017 S. Paesani, A. A. Gentile, R. Santagati, J. Wang, N. Wiebe, D. P. Tew, J. L. O’Brien, M. G. Thompson
Experimental Bayesian Quantum Phase Estimation on a Silicon Photonic Chip
published pages: , ISSN: 0031-9007, DOI: 10.1103/physrevlett.118.100503
Physical Review Letters 118/10 2019-09-04
2016 Jonathan CF Matthews, Xiao-Qi Zhou, Hugo Cable, Peter J Shadbolt, Dylan J Saunders, Gabriel A Durkin, Geoff J Pryde, Jeremy L O’Brien
Towards practical quantum metrology with photon counting
published pages: , ISSN: 2056-6387, DOI: 10.1038/npjqi.2016.23
npj Quantum Information 2/1 2019-09-04
2017 Jianwei Wang, Stefano Paesani, Raffaele Santagati, Sebastian Knauer, Antonio A. Gentile, Nathan Wiebe, Maurangelo Petruzzella, Jeremy L. O’Brien, John G. Rarity, Anthony Laing, Mark G. Thompson
Experimental quantum Hamiltonian learning
published pages: 551-555, ISSN: 1745-2473, DOI: 10.1038/nphys4074
Nature Physics 13/6 2019-09-04
2016 Gabriel J. Mendoza, Raffaele Santagati, Jack Munns, Elizabeth Hemsley, Mateusz Piekarek, Enrique Martín-López, Graham D. Marshall, Damien Bonneau, Mark G. Thompson, Jeremy L. O’Brien
Active temporal and spatial multiplexing of photons
published pages: 127, ISSN: 2334-2536, DOI: 10.1364/optica.3.000127
Optica 3/2 2019-09-04
2018 Xiaogang Qiang, Xiaoqi Zhou, Jianwei Wang, Callum M. Wilkes, Thomas Loke, Sean O’Gara, Laurent Kling, Graham D. Marshall, Raffaele Santagati, Timothy C. Ralph, Jingbo B. Wang, Jeremy L. O’Brien, Mark G. Thompson, Jonathan C. F. Matthews
Large-scale silicon quantum photonics implementing arbitrary two-qubit processing
published pages: 534-539, ISSN: 1749-4885, DOI: 10.1038/s41566-018-0236-y
Nature Photonics 12/9 2019-09-04
2016 Annemarie Holleczek, Oliver Barter, Allison Rubenok, Jerome Dilley, Peter B. R. Nisbet-Jones, Gunnar Langfahl-Klabes, Graham D. Marshall, Chris Sparrow, Jeremy L. O’Brien, Konstantinos Poulios, Axel Kuhn, Jonathan C. F. Matthews
Quantum Logic with Cavity Photons From Single Atoms
published pages: , ISSN: 0031-9007, DOI: 10.1103/physrevlett.117.023602
Physical Review Letters 117/2 2019-09-04
2016 Nicola A. Tyler, Jorge Barreto, Gerardo E. Villarreal-Garcia, Damien Bonneau, Döndü Sahin, Jeremy L. O’Brien, Mark G. Thompson
Modelling superconducting nanowire single photon detectors in a waveguide cavity
published pages: 8797, ISSN: 1094-4087, DOI: 10.1364/oe.24.008797
Optics Express 24/8 2019-09-04

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