TRR 142 - Nonlinear strong-field dynamics of atomically thin transition metal dichalcogenides (A10)

Overview

Monolayers of Transition Metal Dichalcogenides (TMDCs) exhibit very high exciton binding energies of several hundred meV and extraordinarily strong optical nonlinearities. Stacking several monolayers allows one to tailor these properties by the choice of materials and their relative orientation. We will explore and manipulate such samples by using strong terahertz and mid-infrared fields in a collaborative work including fabrication, spectroscopy, and theory. TMDCs biased by atomically strong optical fields will be investigated with subcycle temporal resolution to probe non-perturbative nonlinear dynamics, such as giant Stark shifts, field-induced symmetry breaking, and intraexcitonic carrier-wave Rabi flopping.

Key Facts

Grant Number:
231447078
Research profile area:
Optoelectronics and Photonics
Project type:
Research
Project duration:
01/2022 - 12/2025
Funded by:
DFG
Website:
Homepage

More Information

Principal Investigators

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Prof. Dr. Torsten Meier

Computational Optoelectronics and Photonics

About the person
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Christoph Lange

Technische Universität Dortmund

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Claudia Ruppert

Technische Universität Dortmund

About the person (Orcid.org)

Cooperating Institutions

Technische Universität Dortmund

Cooperating Institution

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Publications

Optical Stark effect in type-II semiconductor heterostructures
F. Schäfer, A. Trautmann, C. Ngo, J.T. Steiner, C. Fuchs, K. Volz, F. Dobener, M. Stein, T. Meier, S. Chatterjee, Physical Review B 109 (2024).
Theoretical analysis of four-wave mixing on semiconductor quantum dot ensembles with quantum light
H. Rose, S. Grisard, A.V. Trifonov, R. Reichhardt, M. Reichelt, M. Bayer, I.A. Akimov, T. Meier, Theoretical Analysis of Four-Wave Mixing on Semiconductor Quantum Dot Ensembles with Quantum Light, LibreCat University, 2023.
Temporal sorting of optical multi-wave-mixing processes in semiconductor quantum dots
T. Meier, S. Grisard, A.V. Trifonov, H. Rose, R. Reichhardt, M. Reichelt, C. Schneider, M. Kamp, S. Höfling, M. Bayer, I.A. Akimov, Arxiv:2302.02480 (2023).
Theoretical analysis of four-wave mixing on semiconductor quantum dot ensembles with quantum light
H. Rose, S. Grisard, A.V. Trifonov, R. Reichhardt, M. Reichelt, M. Bayer, I.A. Akimov, T. Meier, in: Ultrafast Phenomena and Nanophotonics XXVII, SPIE, 2023.
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