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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.

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

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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