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Unique Light-Matter Interactions with Two-Dimensional Materials

Total Cost €


EC-Contrib. €






 unLiMIt-2D project word cloud

Explore the words cloud of the unLiMIt-2D project. It provides you a very rough idea of what is the project "unLiMIt-2D" about.

heterostructures    spectral    excitations    transition    dichalcogenides    physics    binding    prominent    pristine    polaritonics    material    experiments    fluids    energies    possibilities    modern    monolayers    coherent    perspective    localization    paradigm    comprise    candidates    confinement    electrodynamics    exciton    species    giant    solid    ultra    optics    form    lack    photons    combination    polaritons    controlling    optical    intriguing    life    bandgap    condensation    quality    daily    tuning    unlimit    composite    fabricating    materials    crystals    consists    photonic    group    firstly    vi    gain    thin    layered    almost    indistinguishable    light    absorption    bosonic    sources    unappealing    spin    spinor    possibility    localizations    temperature    bosons    arising    additionally    strain    platform    performance    coupling    microcavity    graphene    room    microscopic    electronic    atomic    cavity    external    position    relatively    ideal    appealing    shift    establishing    direct    layers    quantum    single    generation    metal    compounds    dimensional    excitonic    2d    electric    monolayer    secondly    structures   

Project "unLiMIt-2D" data sheet

The following table provides information about the project.


Organization address
address: SANDERRING 2
postcode: 97070

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]
 Project website
 Total cost 1˙499˙931 €
 EC max contribution 1˙499˙931 € (100%)
 Programme 1. H2020-EU.1.1. (EXCELLENT SCIENCE - European Research Council (ERC))
 Code Call ERC-2015-STG
 Funding Scheme ERC-STG
 Starting year 2016
 Duration (year-month-day) from 2016-05-01   to  2021-04-30


Take a look of project's partnership.

# participants  country  role  EC contrib. [€] 


 Project objective

Controlling light- and matter excitations down to the microscopic scale is one major challenge in modern optics. Applications arising from this field, such as novel coherent- and quantum light sources have the potential to affect our daily life. One particularly appealing material platform in quantum physics consists of monolayer crystals. The most prominent species, graphene, however remains rather unappealing for photonic applications due to the lack of an electronic bandgap in its pristine form. Monolayers of transition metal dichalcogenides and group III-VI compounds comprise such a direct bandgap, and additionally feature intriguing spinor properties, making them almost ideal candidates to study optics and excitonic effects in two-dimensional systems. unLiMIt-2D aims to establish these materials as a new platform in solid-state cavity quantum electrodynamics. The targeted experiments will be based on thin layers embedded in high quality photonic heterostructures providing optical confinement. Firstly, I will exploit the combination of ultra-large exciton binding energies, giant absorption and unique spin properties of such materials to form microcavity exciton polaritons. These composite bosons provide the unique possibility to study coherent quantum fluids up to room temperature. Due to the possibility of fabricating such structures by relatively simple means, establishing bosonic condensation effects in atomic monolayers can lead to a paradigm shift in polaritonics. Secondly, I will study exciton localization in layered materials, with the perspective to establish a new generation of microcavity-based quantum light sources. Light-matter coupling effects will greatly improve the performance of such sources. I will investigate possibilities of tuning the spectral properties of these localizations via external electric and strain-fields, to gain position control and make use of them as sources of single, indistinguishable photons.


year authors and title journal last update
List of publications.
2017 Oliver Iff, Yu-Ming He, Nils Lundt, Sebastian Stoll, Vasilij Baumann, Sven Höfling, Christian Schneider
Substrate engineering for high-quality emission of free and localized excitons from atomic monolayers in hybrid architectures
published pages: 669, ISSN: 2334-2536, DOI: 10.1364/optica.4.000669
Optica 4/6 2019-06-19
2016 Nils Lundt, Sebastian Klembt, Evgeniia Cherotchenko, Simon Betzold, Oliver Iff, Anton V. Nalitov, Martin Klaas, Christof P. Dietrich, Alexey V. Kavokin, Sven Höfling, Christian Schneider
Room-temperature Tamm-plasmon exciton-polaritons with a WSe2 monolayer
published pages: 13328, ISSN: 2041-1723, DOI: 10.1038/ncomms13328
Nature Communications 7 2019-06-19
2016 Yu-Ming He, Oliver Iff, Nils Lundt, Vasilij Baumann, Marcelo Davanco, Kartik Srinivasan, Sven Höfling, Christian Schneider
Cascaded emission of single photons from the biexciton in monolayered WSe2
published pages: 13409, ISSN: 2041-1723, DOI: 10.1038/ncomms13409
Nature Communications 7 2019-06-19
2017 N Lundt, P Nagler, A Nalitov, S Klembt, M Wurdack, S Stoll, T H Harder, S Betzold, V Baumann, A V Kavokin, C Schüller, T Korn, S Höfling, C Schneider
Valley polarized relaxation and upconversion luminescence from Tamm-plasmon trion–polaritons with a MoSe 2 monolayer
published pages: 25096, ISSN: 2053-1583, DOI: 10.1088/2053-1583/aa6ef2
2D Materials 4/2 2019-06-19
2017 N. Lundt, S. Stoll, P. Nagler, A. Nalitov, S. Klembt, S. Betzold, J. Goddard, E. Frieling, A. V. Kavokin, C. Schüller, T. Korn, S. Höfling, C. Schneider
Observation of macroscopic valley-polarized monolayer exciton-polaritons at room temperature
published pages: , ISSN: 2469-9950, DOI: 10.1103/physrevb.96.241403
Physical Review B 96/24 2019-06-19
2017 N Lundt, A Maryński, E Cherotchenko, A Pant, X Fan, S Tongay, G Sęk, A V Kavokin, S Höfling, C Schneider
Monolayered MoSe 2 : a candidate for room temperature polaritonics
published pages: 15006, ISSN: 2053-1583, DOI: 10.1088/2053-1583/4/1/015006
2D Materials 4/1 2019-06-19
2018 Christian Schneider, Mikhail M. Glazov, Tobias Korn, Sven Höfling, Bernhard Urbaszek
Two-dimensional semiconductors in the regime of strong light-matter coupling
published pages: , ISSN: 2041-1723, DOI: 10.1038/s41467-018-04866-6
Nature Communications 9/1 2019-04-18
2018 Laxmi Narayan Tripathi, Oliver Iff, Simon Betzold, Łukasz Dusanowski, Monika Emmerling, Kihwan Moon, Young Jin Lee, Soon-Hong Kwon, Sven Höfling, Christian Schneider
Spontaneous Emission Enhancement in Strain-Induced WSe 2 Monolayer-Based Quantum Light Sources on Metallic Surfaces
published pages: 1919-1926, ISSN: 2330-4022, DOI: 10.1021/acsphotonics.7b01053
ACS Photonics 5/5 2019-04-18
2018 Oliver Iff, Nils Lundt, Simon Betzold, Laxmi Narayan Tripathi, Monika Emmerling, Sefaattin Tongay, Young Jin Lee, Soon-Hong Kwon, Sven Höfling, Christian Schneider
Deterministic coupling of quantum emitters in WSe 2 monolayers to plasmonic nanocavities
published pages: 25944, ISSN: 1094-4087, DOI: 10.1364/oe.26.025944
Optics Express 26/20 2019-04-18
2018 Max Waldherr, Nils Lundt, Martin Klaas, Simon Betzold, Matthias Wurdack, Vasilij Baumann, Eliezer Estrecho, Anton Nalitov, Evgenia Cherotchenko, Hui Cai, Elena A. Ostrovskaya, Alexey V. Kavokin, Sefaattin Tongay, Sebastian Klembt, Sven Höfling, Christian Schneider
Observation of bosonic condensation in a hybrid monolayer MoSe2-GaAs microcavity
published pages: , ISSN: 2041-1723, DOI: 10.1038/s41467-018-05532-7
Nature Communications 9/1 2019-04-18

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