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Quantum Particles on Programmable Complex Reconfigurable Networks

Total Cost €


EC-Contrib. €






Project "QuPoPCoRN" data sheet

The following table provides information about the project.


Organization address
postcode: 33098

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 Germany [DE]
 Total cost 1˙963˙750 €
 EC max contribution 1˙963˙750 € (100%)
 Programme 1. H2020-EU.1.1. (EXCELLENT SCIENCE - European Research Council (ERC))
 Code Call ERC-2016-COG
 Funding Scheme ERC-COG
 Starting year 2017
 Duration (year-month-day) from 2017-07-01   to  2022-06-30


Take a look of project's partnership.

# participants  country  role  EC contrib. [€] 
1    UNIVERSITAET PADERBORN DE (PADERBORN) coordinator 1˙963˙750.00


 Project objective

Understanding the complex interactions and dynamics of multiple quantum particles within large networks is an extremely challenging task, but doing so reveals the underlying structure of an enormously diverse range of phenomena. Therefore, a reliable platform to investigate complex quantum network dynamics, which incorporates the rich interplay between noise, coherence and nonclassical correlations, will be an extremely powerful tool.

Classical optical networks have been widely used to simulate a broad range of propagation phenomena across many disparate areas of physics, chemistry and biology, based on coherent interference of waves. At the quantum level, the quantized nature of light – the existence of photons – gives rise to bosonic interference effects that are completely counter-intuitive. Yet, to date, quantum network experiments remain very limited in terms of the number of photons, reconfigurability and, most importantly, network size.

Here, we propose time-multiplexed optical networks, in combination with tailored multi-photon states as a new platform for large-scale quantum networks. Our approach allows us to emulate multi-particle dynamics on complex structures, specifically the role of bosonic interference, correlations and entanglement.

To achieve large networks sizes, we will develop novel decoherence mitigation strategies: programmable noise, topologically protected quantum states and perpetual entanglement distillation. This approach will blend ideas from solid state physics, random media and quantum information and communication in order to pursue the following three objectives: 1. Demonstrate noise-assisted entanglement distribution 2. Demonstrate nonclassical states on topological structures 3. Demonstrate perpetual distillation of entanglement within a network These objectives target the overall goal to understand the role of multi-particle quantum physics in complex, large-scale structures harnessing time-multiplexed photonic networks.


year authors and title journal last update
List of publications.
2019 J. Sperling, E. Meyer-Scott, S. Barkhofen, B. Brecht, C. Silberhorn
Experimental Reconstruction of Entanglement Quasiprobabilities
published pages: , ISSN: 0031-9007, DOI: 10.1103/physrevlett.122.053602
Physical Review Letters 122/5 2019-03-20
2019 Johannes Tiedau, Evan Meyer-Scott, Thomas Nitsche, Sonja Barkhofen, Tim J. Bartley, Christine Silberhorn
A high dynamic range optical detector for measuring single photons and bright light
published pages: 1, ISSN: 1094-4087, DOI: 10.1364/oe.27.000001
Optics Express 27/1 2019-02-25
2018 Thomas Nitsche, Sonja Barkhofen, Regina Kruse, Linda Sansoni, Martin Štefaňák, Aurél Gábris, Václav Potoček, Tamás Kiss, Igor Jex, Christine Silberhorn
Probing measurement-induced effects in quantum walks via recurrence
published pages: eaar6444, ISSN: 2375-2548, DOI: 10.1126/sciadv.aar6444
Science Advances 4/6 2019-02-25
2018 I. Dhand, M. Engelkemeier, L. Sansoni, S. Barkhofen, C. Silberhorn, M. B. Plenio
Proposal for Quantum Simulation via All-Optically-Generated Tensor Network States
published pages: , ISSN: 0031-9007, DOI: 10.1103/PhysRevLett.120.130501
Physical Review Letters 120/13 2019-02-25
2018 Evan Meyer-Scott, Nidhin Prasannan, Christof Eigner, Viktor Quiring, John M. Donohue, Sonja Barkhofen, Christine Silberhorn
High-performance source of spectrally pure, polarization entangled photon pairs based on hybrid integrated-bulk optics
published pages: 32475, ISSN: 1094-4087, DOI: 10.1364/oe.26.032475
Optics Express 26/25 2019-02-25
2018 Sonja Barkhofen, Lennart Lorz, Thomas Nitsche, Christine Silberhorn, Henning Schomerus
Supersymmetric Polarization Anomaly in Photonic Discrete-Time Quantum Walks
published pages: , ISSN: 0031-9007, DOI: 10.1103/physrevlett.121.260501
Physical Review Letters 121/26 2019-02-25

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