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Robust self-testing with applications to device-independent cryptography

Total Cost €


EC-Contrib. €






Project "ROSETTA" data sheet

The following table provides information about the project.


Organization address
address: NORREGADE 10
postcode: 1165

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 Denmark [DK]
 Project website*rosetta__;Lw!!DOxrgLBm!UGS0jWxDjGO4uD_ChDNNQdmhL_OQuAsLf1EjRGY5a8LJFJ5KOmQZJ58pDRFasVmi6cIrhOoOGQ$
 Total cost 200˙194 €
 EC max contribution 200˙194 € (100%)
 Programme 1. H2020-EU.1.3.2. (Nurturing excellence by means of cross-border and cross-sector mobility)
 Code Call H2020-MSCA-IF-2016
 Funding Scheme MSCA-IF-EF-ST
 Starting year 2017
 Duration (year-month-day) from 2017-03-01   to  2019-02-28


Take a look of project's partnership.

# participants  country  role  EC contrib. [€] 
1    KOBENHAVNS UNIVERSITET DK (KOBENHAVN) coordinator 200˙194.00


 Project objective

The quantum revolution is happening now. Every day experimentalists around the world produce more complex, reliable and powerful quantum devices which take us one step closer to quantum computation, communication and cryptography. Testing is a crucial part of the development process necessary to ensure suitability of the device for the application in mind. Methods used for small devices quickly become impractical, as the devices become more complex and we need to develop efficient and robust testing procedures in order to make further progress. Fortunately, quantum physics is well-suited for this task, as it allows to precisely characterise devices under surprisingly weak assumptions. This feature, known as self-testing, is intrinsically related to the fundamental concept of Bell inequalities. The goal of this proposal is to develop efficient and robust testing procedures for complex quantum devices based on Bell's theorem. In the short-term these will allow experimentalists to efficiently characterise their devices, while in the long-term they will enable a customer to certify that a newly bought quantum device adheres to the specification, which opens the door to device-independent information processing. The timeliness of this proposal is demonstrated by the fact that the first loophole-free Bell experiments were reported within the last year. On top of practical applications, self-testing is important from the foundational point of view. By exploring the intimate connection between the quantum (microscopic) world of Hilbert spaces and the classical (macroscopic) world of resulting probability distributions, it provides the unique link between what we see and what is happening at the quantum level. This fellowship will allow Jędrzej Kaniewski to work under the supervision of Matthias Christandl (a world-class expert on quantum correlations) at the University of Copenhagen (a leading institution in both theoretical and experimental aspects of quantum mechanics).


year authors and title journal last update
List of publications.
2017 Jędrzej Kaniewski
Self-testing of binary observables based on commutation
published pages: , ISSN: 2469-9926, DOI: 10.1103/PhysRevA.95.062323
Physical Review A 95/6 2019-06-11
2018 Marc Olivier Renou, Jędrzej Kaniewski, Nicolas Brunner
Self-testing entangled measurements in quantum networks
published pages: , ISSN: , DOI:
2018 Koon Tong Goh, Jędrzej Kaniewski, Elie Wolfe, Tamás Vértesi, Xingyao Wu, Yu Cai, Yeong-Cherng Liang, Valerio Scarani
Geometry of the set of quantum correlations
published pages: , ISSN: 2469-9926, DOI: 10.1103/PhysRevA.97.022104
Physical Review A 97/2 2019-06-11
2018 Jędrzej Kaniewski, Ivan Šupić, Jordi Tura, Flavio Baccari, Alexia Salavrakos, Remigiusz Augusiak
Maximal nonlocality from maximal entanglement and mutually unbiased bases, and self-testing of two-qutrit quantum systems
published pages: , ISSN: , DOI:
2018 Tavakoli, Armin; Kaniewski, Jedrzej; Vertesi, Tamas; Rosset, Denis; Brunner, Nicolas
Self-testing quantum states and measurements in the prepare-and-measure scenario
published pages: , ISSN: , DOI:
1 2019-06-11

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The information about "ROSETTA" are provided by the European Opendata Portal: CORDIS opendata.

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