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Interfacing interacting Rydberg polaritons: From few- to many-body interactions

Total Cost €


EC-Contrib. €






Project "InterPol" data sheet

The following table provides information about the project.


Organization address
address: CAMPUSVEJ 55
city: ODENSE M
postcode: 5230

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]
 Total cost 207˙312 €
 EC max contribution 207˙312 € (100%)
 Programme 1. H2020-EU.1.3.2. (Nurturing excellence by means of cross-border and cross-sector mobility)
 Code Call H2020-MSCA-IF-2018
 Funding Scheme MSCA-IF-EF-ST
 Starting year 2019
 Duration (year-month-day) from 2019-04-01   to  2021-03-31


Take a look of project's partnership.

# participants  country  role  EC contrib. [€] 
1    SYDDANSK UNIVERSITET DK (ODENSE M) coordinator 207˙312.00


 Project objective

Rydberg quantum optics (RQO) is a very promising approach to achieve effective interactions at the level of individual photons. It maps the strong interactions between ultracold Rydberg atoms onto light fields to create strongly interacting Rydberg polaritons. RQO enables single photon generation, exotic photon bound states, and effective interactions between spatially separated photons. Based on RQO, various quantum optical devices can be implemented, e.g. a deterministic gate for optical quantum information processing. Experiments to date have mostly used 1D interaction geometries and not yet investigated interactions between more than 2 or 3 polaritons or in a quantum network of interaction nodes. InterPol will implement controlled interactions between multiple Rydberg polaritons based on two complementary approaches. One will cascade multiple devices such as single-photon transistors and subtractors to implement multi-polariton logic circuits and demonstrate a network that coherently interfaces entangled Rydberg excitations with photons for quantum state transfer. The second will use adaptive optics to realize a novel, highly flexible platform to study simultaneous interactions between multiple polaritons in arbitrary spatial geometries to study the transition regime from few- to many-body interactions. This has fundamental impact beyond quantum optics as it will allow highly controlled experimental tests of many-body interactions and non-perturbative effects in quantum field theories with quasi-particles in a tabletop setting. Collaborating with leading theorists to experimentally benchmark field-theoretical descriptions, the applicant will further deepen his theoretical understanding of RQO to complement his excellent experimental skills. In charge of a comprehensive research action, he will enhance his independence and possess the skill set required to develop and conduct innovative quantum optics experiments as an independent researcher at its end.

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

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