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Quantum Enhanced Sensing with Cold Atoms

Total Cost €


EC-Contrib. €






Project "QUESCA" data sheet

The following table provides information about the project.


Organization address
address: N PLASTIRA STR 100
postcode: 70013

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 Greece [EL]
 Project website
 Total cost 164˙653 €
 EC max contribution 164˙653 € (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 2017-08-01   to  2019-07-31


Take a look of project's partnership.

# participants  country  role  EC contrib. [€] 


 Project objective

Atom sensors based on cold atoms have demonstrated great potential in precision measurements both in applied technology and in fundamental science. The main limitation is now the quantum projection noise originating from the counting of uncorrelated atoms. This limit can only be broken by entangling the probe atoms and creating squeezed states. We propose a novel scheme for generating squeezing in ultra-cold atomic ensembles via quantum-non-demolition measurements based on the cavity-aided measurement of the Faraday optical rotation that light experiences as it travels through the atomic medium. This method holds the promise of realizing a significant squeezing with a medium-finesse optical cavity without the use of additional optical interferometers. It outperforms conventional detection schemes based on absorption imaging by allowing smaller dead time between consecutive measurements. Applications include atomic clocks and inertial sensors, which can be used for technical applications (gravitational geodesy, gravimetry for oil, gas and rare metal exploration and cavity detection in construction) and for fundamental physics experiments (gravitational wave detectors, Einstein Equivalence test and gravitational tests of the standard model).


year authors and title journal last update
List of publications.
2019 Saurabh Pandey, Hector Mas, Giannis Drougakis, Premjith Thekkeppatt, Vasiliki Bolpasi, Georgios Vasilakis, Konstantinos Poulios, Wolf von Klitzing
Hypersonic Bose–Einstein condensates in accelerator rings
published pages: 205-209, ISSN: 0028-0836, DOI: 10.1038/s41586-019-1273-5
Nature 570/7760 2020-01-29

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

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