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APOGEE SIGNED

Atomic-scale physics of single-photon sources.

Total Cost €

EC-Contrib. €

Partnership

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APOGEE project word cloud

Explore the words cloud of the APOGEE project. It provides you a very rough idea of what is the project "APOGEE" about.

accuracy temporal correlated metal behave experiments molecular mechanical nature simultaneous questions fundamental photonic environment embodied optical emerge electronic diamond manipulating vacancies emitting spss resolutions charge probing single spectral defects quantum transition explored sources electrons combining remotely spatial components proximity dimensions orientation provides atomic sps wires attainable excitation electrically rely dimensional structures photon distance molecules science precision hybrid dichalcogenides couple excite unconventional localised coherence photons answering plasmons nanometer direct physics degree stress probe properties scanning chemical chains respectively one monolayer entanglement emission generally confined microscope arrays

Project "APOGEE" data sheet

The following table provides information about the project.

Coordinator	CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE CNRS Organization address address: RUE MICHEL ANGE 3 city: PARIS postcode: 75794 website: www.cnrs.fr 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]
Total cost	1˙996˙848 €
EC max contribution	1˙996˙848 € (100%)
Programme	1. H2020-EU.1.1. (EXCELLENT SCIENCE - European Research Council (ERC))
Code Call	ERC-2017-COG
Funding Scheme	ERC-COG
Starting year	2018
Duration (year-month-day)	from 2018-06-01 to 2023-05-31

Partnership

Take a look of project's partnership.

#	participants	country	role	EC contrib. [€]
1	CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE CNRS CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE CNRS Organization address address: RUE MICHEL ANGE 3 city: PARIS postcode: 75794 website: www.cnrs.fr contact info title: n.a. name: n.a. surname: n.a. function: n.a. email: n.a. telephone: n.a. fax: n.a.	FR (PARIS)	coordinator	1˙996˙848.00

Map

Project objective

Single-photon sources (SPSs) are systems capable of emitting photons one by one. These sources are of major importance for quantum-information science and applications. SPSs experiments generally rely on the optical excitation of two level systems of atomic-scale dimensions (single-molecules, vacancies in diamond…). Many fundamental questions related to the nature of these sources and the impact of their environment remain to be explored:

Can SPSs be addressed with atomic-scale spatial accuracy? How do the nanometer-scale distance or the orientation between two (or more) SPSs affect their emission properties? Does coherence emerge from the proximity between the sources? Do these structures still behave as SPSs or do they lead to the emission of correlated photons? How can we then control the degree of entanglement between the sources? Can we remotely excite the emission of these sources by using molecular chains as charge-carrying wires? Can we couple SPSs embodied in one or two-dimensional arrays? How does mechanical stress or localised plasmons affect the properties of an electrically-driven SPS?

Answering these questions requires probing, manipulating and exciting SPSs with an atomic-scale precision. This is beyond what is attainable with an all-optical method. Since they can be confined to atomic-scale pathways we propose to use electrons rather than photons to excite the SPSs. This unconventional approach provides a direct access to the atomic-scale physics of SPSs and is relevant for the implementation of these sources in hybrid devices combining electronic and photonic components. To this end, a scanning probe microscope will be developed that provides simultaneous spatial, chemical, spectral, and temporal resolutions. Single-molecules and defects in monolayer transition metal dichalcogenides are SPSs that will be studied in the project, and which are respectively of interest for fundamental and more applied issues.

Publications

List of publications.
year	authors and title	journal	last update
2019	Delphine Pommier, RÃ©mi Bretel, Luis E. Parra LÃ³pez, Florentin Fabre, Andrew Mayne, Elizabeth Boer-Duchemin, GÃ©rald Dujardin, Guillaume Schull, StÃ©phane Berciaud, Eric Le Moal Scanning Tunneling Microscope-Induced Excitonic Luminescence of a Two-Dimensional Semiconductor published pages: , ISSN: 0031-9007, DOI: 10.1103/PhysRevLett.123.027402	Physical Review Letters 123/2	2020-02-06

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