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Polaritons IN the QUAntum Regime (PINQUAR)

Total Cost €


EC-Contrib. €






Project "PINQUAR" data sheet

The following table provides information about the project.


Organization address
address: RUE MICHEL ANGE 3
city: PARIS
postcode: 75794

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 France [FR]
 Project website
 Total cost 185˙076 €
 EC max contribution 185˙076 € (100%)
 Programme 1. H2020-EU.1.3.2. (Nurturing excellence by means of cross-border and cross-sector mobility)
 Code Call H2020-MSCA-IF-2014
 Funding Scheme MSCA-IF-EF-ST
 Starting year 2015
 Duration (year-month-day) from 2015-05-01   to  2017-04-30


Take a look of project's partnership.

# participants  country  role  EC contrib. [€] 


 Project objective

Semiconductor optical microcavities host hybrid light-matter quasi-particles known as polaritons, formed by strong coupling between cavity photons and quantum well excitons. Polaritons are interacting bosons, which above a critical density may condense into a single quantum state. Polariton condensates have enabled fascinating discoveries, yet state of the art experiments remain within the mean-field limit. This means that the physics is governed by a large number of polaritons per mode. We propose to develop polariton systems operating in the quantum regime, where the physics is governed by single or few polaritons. Enhancing the polariton non-linearity is a pre-requisite for accessing the quantum regime. Therefore, our proposal begins with studies of extreme non-linear optical phenomena still within the mean-field limit. In particular, we will study bifurcations, exceptional points, and spin-squeezing. Next, we will enter the quantum regime by exploiting interference effects between coupled polariton modes to generate non-classical light via an effect known as unconventional photon blockade. Our final objective is to demonstrate the conventional photon blockade, wherein a single photon in a highly nonlinear cavity blocks the entrance of a second one. Polaritons IN the QUAntum Regime (PINQUAR) will enable previously inaccessible fundamental studies and applications where photons can be emitted one-by-one, non-classical photon statistics can be engineered in time and energy, and quantum simulations can be performed in a controlled solid-state platform suitable for all-optical integrated circuits.


year authors and title journal last update
List of publications.
2017 S. R. K. Rodriguez, W. Casteels, F. Storme, N. Carlon Zambon, I. Sagnes, L. Le Gratiet, E. Galopin, A. Lemaître, A. Amo, C. Ciuti, J. Bloch
Probing a Dissipative Phase Transition via Dynamical Optical Hysteresis
published pages: , ISSN: 0031-9007, DOI: 10.1103/PhysRevLett.118.247402
Physical Review Letters 118/24 2019-07-23
2016 S. R. K. Rodriguez, A. Amo, I. Sagnes, L. Le Gratiet, E. Galopin, A. Lemaître, J. Bloch
Interaction-induced hopping phase in driven-dissipative coupled photonic microcavities
published pages: 11887, ISSN: 2041-1723, DOI: 10.1038/ncomms11887
Nature Communications 7 2019-07-23

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