Berlin 2024 – wissenschaftliches Programm
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HL: Fachverband Halbleiterphysik
HL 13: Poster I
HL 13.60: Poster
Montag, 18. März 2024, 15:00–18:00, Poster E
Characterizing time resolved random laser and cavity exciton polariton supported random laser action in disordered ensembles of the hybrid perovskite CH3 NH 3 PbBr 3 (MAPB) — •Regine Frank1,2, Paul Bouteyre3, Hai Son Nguyen4,5, Christian Seassal4,5, Emmanuelle Deleporte3, and Bart A. van Tiggelen6 — 1College of Biomedical Sciences, Larkin University, Miami, Florida, USA — 2Donostia International Physics Center, 20018 Donostia-San Sebastian, Spain — 3Université Paris-Saclay, ENS Paris-Saclay, CNRS, CentraleSupélec, LuMIn, Gif-sur-Yvette, France — 4Université de Lyon, Institut des Nanotechnologies de Lyon, INL/CNRS, Ecole Centrale de Lyon, Ecully, France — 5Institut Universitaire de France (IUF), Paris, Franceb — 6Universite Grenoble Alpes, Centre National de la Recherche Scientifique, LPMMC, Grenoble, France
We present semi analytical as well as numerical results (WENO) for photonic transport and Anderson localization of light in active disordered ensembles of the hybrid perovskite CH3 NH 3 PbBr 3 (MAPB) capped by PMMA. We compare experiments of two dimensional and three dimensional transport to time ans space resolved numerical results in the sense of finding the mechanism of coherent feedback for directed random laser emission and exciton-polariton supported random laser emission. This includes the analysis of the interplay of light-matter interaction in the sense of dynamics within the pumped microstructure with the mesoscopic physics of photonic transport in disordered and quasi ordered ensembles.
Keywords: random laser; polaritons; multiple scattering; MAPB/PMMA; Anderson localization