Semiconductor rydberg physics

M Aßmann, M Bayer - Advanced Quantum Technologies, 2020 - Wiley Online Library
This topical review addresses how semiconductor systems may reveal scalable properties
similar to those known from Rydberg atoms and in which ways they may be utilized for …

[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 …

Neutralization of impurities by continuous-wave excitation of high- Rydberg excitons

J Heckötter, B Panda, K Brägelmann, M Harati… - Physical Review B, 2023 - APS
We investigate the neutralization of charged defects in a Cu 2 O crystal experimentally with a
continuous-wave two-color pump-probe setup. We demonstrate that the excitation of high …

Dynamically screened ladder approximation: Simultaneous treatment of strong electronic correlations and dynamical screening out of equilibrium

JP Joost, N Schlünzen, H Ohldag, M Bonitz, F Lackner… - Physical Review B, 2022 - APS
Dynamical screening is a key property of charged many-particle systems. Its theoretical
description is based on the GW approximation that is extensively applied for ground-state …

Interaction of charged impurities and Rydberg excitons in cuprous oxide

SO Krüger, H Stolz, S Scheel - Physical Review B, 2020 - APS
We investigate the influence of a static, uncorrelated distribution of charged impurities on the
spectrum of bound excitons in the copper oxide Cu 2 O. We show that the statistical …

High-resolution nanosecond spectroscopy of even-parity Rydberg excitons in

JP Rogers, LAP Gallagher, D Pizzey, JD Pritchett… - Physical Review B, 2022 - APS
We present a study of even-parity Rydberg exciton states in cuprous oxide using second
harmonic generation (SHG) spectroscopy. Excitonic states with principal quantum number …

Resonance energies and linewidths of Rydberg excitons in quantum wells

N Scheuler, P Rommel, J Main, PA Belov - Physical Review B, 2024 - APS
Rydberg excitons are the solid-state analogs of Rydberg atoms and can, eg, for cuprous
oxide, easily reach a large size in the region of µ m for principal quantum numbers up to n …

Rydberg excitons and quantum sensing

J Heckötter, M Aßmann, M Bayer - MRS Bulletin, 2024 - Springer
Within the last few years, Rydberg excitons, bound electron–hole pairs in highly excited
states, have emerged as a promising technology platform for quantum nonlinear optics …

Scrutinizing the Debye plasma model: Rydberg excitons unravel the properties of low-density plasmas in semiconductors

H Stolz, D Semkat, R Schwartz, J Heckötter, M Aßmann… - Physical Review B, 2022 - APS
For low-density plasmas, the classical limit described by the Debye-Hückel theory is still
considered as an appropriate description even though a clear experimental proof of this …

Neutralization of impurities by cw-excitation of high- Rydberg-excitons

J Heckötter, B Panda, K Brägelmann… - arxiv preprint arxiv …, 2023 - arxiv.org
We investigate the neutralization of charged defects in a Cu $ _2 $ O crystal experimentally
with a cw two-color pump-probe setup. We demonstrate that the excitation of high-lying …