Nonlinear plexcitons: Excitons coupled with plasmons in two-photon absorption

Y Chen, Y Cheng, M Sun - Nanoscale, 2022 - pubs.rsc.org
The nonlinear optical properties of a D–A (donor–acceptor) conjugated organic molecule
with polythiophene (PT) as the donor and indene-C60 bisadduct (IC60BA) as the acceptor …

[HTML][HTML] The energy level spectrum of the yellow excitons in cuprous oxide

J Heckötter, A Farenbruch, D Fröhlich, M Aßmann… - Physics Reports, 2025 - Elsevier
This article discusses the experimental status achieved in the assessment of the hydrogen-
like series of Wannier–Mott excitons, using the semiconductor cuprous oxide, Cu 2 O, as …

Exchange interaction in the yellow exciton series of cuprous oxide

P Rommel, J Main, A Farenbruch, DR Yakovlev… - Physical Review B, 2021 - APS
We experimentally and numerically investigate the exchange interaction of the yellow
excitons in cuprous oxide. By varying the material parameters in the numerical calculations …

Theory of yellow and green excitons in cuprous oxide with emphasis on correction terms and external fields

P Rommel - 2022 - elib.uni-stuttgart.de
Cuprous oxide has played a central role in the history of exciton physics, being the
semiconductor where excitons were first experimentally discovered. Excitons formed from an …

Second-harmonic generation of blue series excitons and magnetoexcitons in

A Farenbruch, D Fröhlich, H Stolz, DR Yakovlev… - Physical Review B, 2021 - APS
Nonlinear optical studies of the yellow and green exciton series in Cu 2 O have been
reported for more than 40 years. Because of the band structure (the two highest even-parity …

Distinct terahertz third-harmonic generation of many-body excitonic states

C Zhu, A Reinold, P Pilch, S Kovalev… - arXiv preprint arXiv …, 2025 - arxiv.org
The dynamics of an electron-hole plasma governed by strong Coulomb interaction is a
challenging many-body problem. We report on experimental realization of electron-hole …

A comprehensive study of surface and space charge effects at an operating water splitting iron oxide photoanode

J Plescher - 2024 - refubium.fu-berlin.de
This work presents an investigation of the charge distribution across an operating, water
splitting α-Fe2O3 photoanode from bottom up. The study covers the entire experimental …