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PhotoHeatEffect SIGNED

Heat Transport and its Effects on the Performance of Nanostructured, Photonic Materials

Total Cost €

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EC-Contrib. €

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Partnership

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 PhotoHeatEffect project word cloud

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

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Project "PhotoHeatEffect" data sheet

The following table provides information about the project.

Coordinator
ECOLE POLYTECHNIQUE FEDERALE DE LAUSANNE 

Organization address
address: BATIMENT CE 3316 STATION 1
city: LAUSANNE
postcode: 1015
website: www.epfl.ch

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 Switzerland [CH]
 Project website https://www.epfl.ch/labs/laspe/
 Total cost 175˙419 €
 EC max contribution 175˙419 € (100%)
 Programme 1. H2020-EU.1.3.2. (Nurturing excellence by means of cross-border and cross-sector mobility)
 Code Call H2020-MSCA-IF-2016
 Funding Scheme MSCA-IF-EF-ST
 Starting year 2017
 Duration (year-month-day) from 2017-10-01   to  2019-09-30

 Partnership

Take a look of project's partnership.

# participants  country  role  EC contrib. [€] 
1    ECOLE POLYTECHNIQUE FEDERALE DE LAUSANNE CH (LAUSANNE) coordinator 175˙419.00

Map

 Project objective

The PhotoHeatEffect project aims to create a breakthrough in our understanding and ability to control heat transport and exciton-phonon coupling in nanophotonic structures. Both phenomena generate detrimental effects like local heating and charge carrier escape in current generations of light emitters. Bridging phononics and photonics will reveal the physics behind such device limitations, hence allowing to develop countermeasures leading to better phononic and photonic designs. Tailoring the heat flow and the coupling between the phonon bath and excitons in nanophotonic structures has strong potential for numerous applications with a wide scope comprising life sciences, optogenetics, electronics, and data transmission. The project will not only boost the European competitiveness in the fields of thermal transport and phononics, both still dominated by US scientists, but even strives to pioneer a unique linkage to photonics. By employing nitride materials - a key research asset in the EU and at the host institute - it will be possible to encompass a wide range of emitters that already affect our everyday life (Nobel Prize in Physics 2014). Such polar nitrides are an ideal choice as they are relevant for classical (light-emitting diodes) and non-classical light sources (few-photon emitters, nano-, and polariton-lasers), which are both suffering from the phononic properties dictated by the material system. The project will resolve this relation by manipulating the phononic dispersion relation and the excitonic dipole moment independently by a phononic crystal comprising by design tunable electric fields. An analysis of these manipulations will be achieved by combining two-laser Raman thermometry and µ-photoluminescence spectroscopy. While the latter technique and an analysis of the exciton-phonon coupling match the expertise at hand, the progression towards thermometry and phononics will boost the applicant’s track record supported by a unique network of partners.

 Publications

year authors and title journal last update
List of publications.
2018 G. Callsen, T. Kure, M. R. Wagner, R. Butté, N. Grandjean
Excited states of neutral donor bound excitons in GaN
published pages: 215702, ISSN: 0021-8979, DOI: 10.1063/1.5028370
Journal of Applied Physics 123/21 2020-04-09
2019 G. Callsen, R. Butté, N. Grandjean
Probing Alloy Formation Using Different Excitonic Species: The Particular Case of InGaN
published pages: , ISSN: 2160-3308, DOI: 10.1103/PhysRevX.9.031030
Physical Review X 9/3 2020-04-09
2018 Joachim Ciers, Gwénolé Jacopin, Gordon Callsen, Catherine Bougerol, Jean-François Carlin, Raphaël Butté, and Nicolas Grandjean
Near-UV narrow bandwidth optical gain in lattice-matched III–nitride waveguides
published pages: 90305, ISSN: 0021-8979, DOI: 10.7567/jjap.57.090305
Japanese Journal of Applied Physics 116, 12 2020-04-09
2019 Sebastian Tamariz, Gordon Callsen, Nicolas Grandjean
Density control of GaN quantum dots on AlN single crystal
published pages: 82101, ISSN: 0003-6951, DOI: 10.1063/1.5083018
Applied Physics Letters 114/8 2020-04-09
2018 Ian Rousseau, Gordon Callsen, Gwénolé Jacopin, Jean-François Carlin, Raphaël Butté, Nicolas Grandjean
Optical absorption and oxygen passivation of surface states in III-nitride photonic devices
published pages: 113103, ISSN: 0021-8979, DOI: 10.1063/1.5022150
Journal of Applied Physics 123/11 2020-04-09

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