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Layered semiconductors and hybrid systems for quantum optics and opto-valleytronics

Total Cost €


EC-Contrib. €






 LASSO project word cloud

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

mastering    polaritons    quasiparticles    light    condensates    temperatures    modified    ferromagnetic    inherent    enhanced    berry    integral    turn    chiral    semiconductor    weak    heterostructures    synthetic    excitons    contrasting    interfacial    centrosymmetric    reciprocally    realization    polarized    dynamics    macroscopic    metal    pair    electron    textures    fundamental    dipolar    valleytronic    resource    rules    valley    electrons    realm    utilized    spin    hybrid    pseudospin    curvature    exciton    protected    science    excitations    heterobilayer    virtue    interface    optical    effect    mutual    bilayer    circuitry    transitions    monolayer    meets    domain    interactions    monolayers    supports    combine    optically    quantum    coupling    semiconductors    form    dichalcogenides    lived    phenomena    transition    substrate    emerged    paired    polariton    chip    condensed    ferroelectric    hetero    orbit    interacting    hole    opto    circularly    multivalley    imaging    created    layered    ultra    engineered    dichalcogenide    cavity    photons    ferroic    crystals    gases    topologically    ground    tailoring    linear    parallel   

Project "LASSO" data sheet

The following table provides information about the project.


Organization address
postcode: 80539

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 Germany [DE]
 Total cost 1˙996˙291 €
 EC max contribution 1˙996˙291 € (100%)
 Programme 1. H2020-EU.1.1. (EXCELLENT SCIENCE - European Research Council (ERC))
 Code Call ERC-2017-COG
 Funding Scheme ERC-COG
 Starting year 2019
 Duration (year-month-day) from 2019-01-01   to  2023-12-31


Take a look of project's partnership.

# participants  country  role  EC contrib. [€] 


 Project objective

A new resource for quantum information processing has emerged recently in the form of the valley pseudospin in layered transition metal dichalcogenides. By virtue of strong spin-orbit and Berry curvature effects, these non-centrosymmetric crystals provide a quantum optical interface between spin- and valley-polarized electrons and circularly polarized photons. Such valley-contrasting optical selection rules in turn establish means to address the multivalley quantum resource all-optically. At this interface, where light meets valley quantum states of matter, the proposed research will aim at tailoring and mastering electron-hole-pair excitations and their coupling to photons in layered transition metal dichalcogenide semiconductors, heterostructures and hybrid systems. The project will combine semiconductor monolayers with ferroelectric and ferromagnetic supports to achieve synthetic opto-valleytronic functionality of substrate-modified excitons for the development of novel linear, non-linear and chiral quantum optical elements. Reciprocally, interfacial effect of the substrate on the valley dynamics of monolayer excitons will be utilized for the development of quantum-enhanced imaging of ferroic domain textures to facilitate fundamental studies of phase transitions in condensed matter systems. In parallel, we will develop on chip-circuitry to control long-lived dipolar excitons in hetero-bilayer semiconductors. Finally, light-matter quasiparticles in the form of exciton-polaritons with weak and strong mutual interactions in monolayer- and heterobilayer-cavity systems will be created, engineered and condensed at ultra-low temperatures into a macroscopic ground state. The realization of interacting polariton gases and condensates, paired with the opto-valleytronic phenomena inherent to layered transition metal dichalcogenides, will contribute topologically protected polaritons to the realm of systems with an integral role in all-optical quantum science and technology.

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

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