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Entanglement and Quantum Engineering with optical Microcavities

Total Cost €


EC-Contrib. €






Project "EQUEMI" data sheet

The following table provides information about the project.


There are not information about this coordinator. Please contact Fabio for more information, thanks.

 Coordinator Country France [FR]
 Project website
 Total cost 2˙422˙750 €
 EC max contribution 2˙422˙750 € (100%)
 Programme 1. H2020-EU.1.1. (EXCELLENT SCIENCE - European Research Council (ERC))
 Code Call ERC-2014-ADG
 Funding Scheme ERC-ADG
 Starting year 2015
 Duration (year-month-day) from 2015-10-01   to  2020-09-30


Take a look of project's partnership.

# participants  country  role  EC contrib. [€] 
1    SORBONNE UNIVERSITE FR (PARIS) coordinator 2˙422˙750.00


 Project objective

I propose to leverage the unique properties of optical fiber Fabry-Perot (FFP) microcavities pioneered by my group to advance the field of quantum engineering. We will take quantum-enhanced measurement from its current proof-of-principle state to a true metrological level by applying cavity-based spin squeezing to a compact atomic clock, aiming to improve the clock stability beyond one part in 10^-13 in one second. In a new experiment, we will generate multiparticle entangled states with high metrological gain by applying cavity-based entanglement schemes to alkaline earth-like atoms, the atomic species used in today’s most precise atomic clocks. In a second phase, a miniature quantum gas microscope will be added to this experiment, creating a rich new situation at the interface of quantum information, metrology, and cutting-edge quantum gas research. Finally, we will further improve the FFP microcavity technology itself to enable novel atom-light interfaces with a currently unavailable combination of strong coupling, efficient fiber coupling, and open access. This will open new horizons for light-matter interfaces not only in our experiments, but also in our partner groups working with trapped ions, diamond color centers, semiconductor quantum dots, carbon nanotubes and in quantum optomechanics.


year authors and title journal last update
List of publications.
2016 A. D. Kashkanova, A. B. Shkarin, C. D. Brown, N. E. Flowers-Jacobs, L. Childress, S. W. Hoch, L. Hohmann, K. Ott, J. Reichel, J. G. E. Harris
Superfluid Brillouin optomechanics
published pages: 74-79, ISSN: 1745-2473, DOI: 10.1038/NPHYS3900
Nature Physics 13/1 2019-07-08
2018 Sébastien Garcia, Francesco Ferri, Konstantin Ott, Jakob Reichel, Romain Long
Dual-wavelength fiber Fabry-Perot cavities with engineered birefringence
published pages: 22249, ISSN: 1094-4087, DOI: 10.1364/OE.26.022249
Optics Express 26/17 2019-07-08
2018 Théo Laudat, Vincent Dugrain, Tommaso Mazzoni, Meng-Zi Huang, Carlos L Garrido Alzar, Alice Sinatra, Peter Rosenbusch, Jakob Reichel
Spontaneous spin squeezing in a rubidium BEC
published pages: 73018, ISSN: 1367-2630, DOI: 10.1088/1367-2630/aacf1e
New Journal of Physics 20/7 2019-07-08
2017 A D Kashkanova, A B Shkarin, C D Brown, N E Flowers-Jacobs, L Childress, S W Hoch, L Hohmann, K Ott, J Reichel, J G E Harris
Optomechanics in superfluid helium coupled to a fiber-based cavity
published pages: 34001, ISSN: 2040-8978, DOI: 10.1088/2040-8986/aa551e
Journal of Optics 19/3 2019-07-08

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