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Coherent multidimensional spectroscopy of controlled isolated systems

Total Cost €


EC-Contrib. €






 COCONIS project word cloud

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

largely    coherences    mechanisms    coherent    datasets    bound    technique    dynamics    dilute    annihilation    quantum    sensitivity    perturbing    harvesting    cycling    sensing    ionization    first    der    superfluid    perturbations    time    photovoltaics    mass    combination    aggregation    donor    heterogeneous    demodulation    resolved    evolution    boosting    interactions    helium    atomic    environment    excitation    transfer    dissipation    mechanical    too    external    dynamic    baths    isolated    collective    spectroscopy    molecular    solvent    millikelvin    complexity    detecting    compressed    collection    lock    complexes    experimental    parallelized    function    contact    applicable    autoionization    charge    synthesis    density    detection    understand    modulation    fundamental    acquisition    photosynthesis    light    semiconductor    van    induces    coherence    microsolvation    molecules    elucidate    setup    mathematical    isolate    photoelectron    waals    femtosecond    individual    gases    data    employ    attached    efficient    acceptor    multidimensional    exciton    temperatures   

Project "COCONIS" data sheet

The following table provides information about the project.


Organization address
postcode: 79098

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 2˙295˙000 €
 EC max contribution 2˙295˙000 € (100%)
 Programme 1. H2020-EU.1.1. (EXCELLENT SCIENCE - European Research Council (ERC))
 Code Call ERC-2015-AdG
 Funding Scheme ERC-ADG
 Starting year 2016
 Duration (year-month-day) from 2016-09-01   to  2021-08-31


Take a look of project's partnership.

# participants  country  role  EC contrib. [€] 


 Project objective

Fundamental quantum mechanical processes determine the properties of matter and their functionality. In order to understand complex processes such as light harvesting in photosynthesis and photovoltaics, a detailed knowledge of coherent effects in excitation and charge transfer processes and related dynamics is required. To a large extent, the complexity of the systems induces too many interactions and perturbations of the processes to isolate and understand individual mechanisms. Advanced experimental methods, capable of detecting quantum coherences, so far are not applicable to quantum state controlled molecular complexes isolated from the perturbing environment, due to the low density of such targets. In this project we will for the first time employ coherent femtosecond multidimensional spectroscopy to dilute isolated molecular complexes. For a specific heterogeneous synthesis we will use aggregation in superfluid helium at millikelvin temperatures. In order to reach the needed sensitivity we will setup a novel phase modulation technique including lock-in demodulation in combination with mass-resolved ionization and photoelectron detection. Advanced mathematical methods will furthermore be developed and applied, boosting efficient collection of multidimensional datasets. We will be able to (a) identify processes and coherent dynamics of excitation and charge transfer in fundamental heterogeneous complexes, in particular van der Waals bound donor acceptor complexes (b) elucidate coherence and dissipation effects in contact with tailored external baths, (c) investigate microsolvation, i.e. measure the evolution of dynamic properties as a function of attached solvent molecules, (d) determine collective effects like autoionization in dilute atomic gases or exciton annihilation in semiconductor systems, (e) implement compressed sensing in multidimensional data acquisition, (f) implement largely parallelized phase-cycling into real-time data acquisition.


year authors and title journal last update
List of publications.
2018 Lukas Bruder, Marcel Binz, Frank Stienkemeier
Phase-synchronous undersampling in nonlinear spectroscopy
published pages: 875, ISSN: 0146-9592, DOI: 10.1364/OL.43.000875
Optics Letters 43/4 2019-06-13
2019 Andreas Wituschek, Lukas Bruder, Lars-Stephan Klein, Jergus Strucka, Alexander Demidovich, Miltcho Boyanov Danailov, Frank Stienkemeier
Stable interferometric platform for phase modulation of seeded free-electron lasers
published pages: 943, ISSN: 0146-9592, DOI: 10.1364/ol.44.000943
Optics Letters 44/4 2019-05-22
2019 Lukas Bruder, Alexander Eisfeld, Ulrich Bangert, Marcel Binz, Max Jakob, Daniel Uhl, Markus Schulz-Weiling, Edward R. Grant, Frank Stienkemeier
Delocalized excitons and interaction effects in extremely dilute thermal ensembles
published pages: 2276-2282, ISSN: 1463-9076, DOI: 10.1039/c8cp05851b
Physical Chemistry Chemical Physics 21/5 2019-05-22
2017 Zeng-Zhao Li, Lukas Bruder, Frank Stienkemeier, Alexander Eisfeld
Probing weak dipole-dipole interaction using phase-modulated nonlinear spectroscopy
published pages: 052509-1 - 05250, ISSN: 2469-9926, DOI: 10.1103/physreva.95.052509
Physical Review A 95/5 2019-05-22
2018 Lukas Bruder, Ulrich Bangert, Marcel Binz, Daniel Uhl, Romain Vexiau, Nadia Bouloufa-Maafa, Olivier Dulieu, Frank Stienkemeier
Coherent multidimensional spectroscopy of dilute gas-phase nanosystems
published pages: , ISSN: 2041-1723, DOI: 10.1038/s41467-018-07292-w
Nature Communications 9/1 2019-05-22
2017 Lukas Bruder, Ulrich Bangert, Frank Stienkemeier
Phase-modulated harmonic light spectroscopy
published pages: 5302, ISSN: 1094-4087, DOI: 10.1364/oe.25.005302
Optics Express 25/5 2019-05-22

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

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