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Computational Optoelectronics and Photonics
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Computational Optoelectronics and Photonics

Prof. Dr. Torsten Meier

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  1. Faculty of Science
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  3. Computational Optoelectronics and Photonics

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Prof. Dr. Torsten Meier

We are interested in the optical, electronic and quantum optical properties of different material systems, which we analyse by microscopic theory and numerical simulations. For example, we investigate situations in which matter is excited by very short laser pulses. This allows us to study in detail ultrafast dynamical processes that occur on time scales of a few femtoseconds (1 fs = 10-15 s) or even in the range of attoseconds (1 as = 10-18 s). Nonlinearities resulting from the interaction with very intense light pulses can drastically change the optical properties. Besides purely optical processes, optically induced transport phenomena are also of great interest. Furthermore, a strong focus is on investigating interactions with quantum light, which sheds new light on the fundamentals of the interaction between light and matter and is very promising for various applications in quantum technology.

Team

We are a diverse international team working on the different topics and projects.

 

Pub­lic­a­tions

See complete list in our Research Information System
see also ORCID profile and google scholar profile of Torsten Meier

 

Seleted recent publications

Multiphoton, multimode state classification for nonlinear optical circuits,
D. A. Kopylov, C. Offen, L. Ares, B. Wembe Moafo, S. Ober-Blöbaum, T. Meier, P. R. Sharapova, and J. Sperling,
arXiv:2502.05123 [quant-ph]

Wave packet dynamics in parabolic optical lattices: From Bloch oscillations to long-range dynamical tunneling,
U. Ali, M. Holthaus, and T. Meier,
Phys. Rev. Research 7, 013141 (2025)

Theory of Multimode Squeezed Light Generation in Lossy Media,
D. A. Kopylov, T. Meier, and P. R. Sharapova,
Quantum 9, 1621 (2025)

Spectral and temporal properties of type-II parametric down-conversion: The impact of losses during state generation,
D. A. Kopylov, M. Stefszky, T. Meier, C. Silberhorn, and P. R. Sharapova,
arXiv:2501.08917

Floquet dynamics of ultracold atoms in optical lattices with a parametrically modulated trapping potential,
U. Ali, M. Holthaus, and T. Meier,
New Journal of Physics 23, 123016 (2024).

Charge-transfer magnetoexcitons in magneto absorption spectra of asymmetric type II double quantum wells,
J. Röder, M. Gerhard, C. Fuchs, W. Stolz, W. Heimbrodt, M. Koch, C. Ngo, J.T. Steiner, and T. Meier,
Phys. Rev. B 110, 195306 (2024).

Sub-cycle strong-field tunneling dynamics in solids,
S. Yang, X. Liu, H. Zhang, X. Song, R. Zuo, T. Meier, and W. Yang,
Optics Express 32, 15862 (2024)

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, and S. Chatterjee,
Phys. Rev. B 109, 075301 (2024),

Microscopic simulations of the dynamics of excitonic many-body correlations coupled to quantum light,
H. Rose, P. Sharapova, and T. Meier,
Proceedings of the SPIE 12884, 1288403 (2024).

Pro­jects

Two projects in the DFG TRR 142/3 Tailored nonlinear photonics:
From fundamental concepts to functional structures
:
A02 "Nonlinear spectroscopy of semiconductor nanostructures with quantum light" (Akimov (TU Dortmund), Meier);
A10 "Nonlinear strong-field dynamics of atomically thin transition metal dichalcogenides" (Lange & Ruppert (TU Dortmund), Meier).

PI in the project "Photonisches Quantencomputing" (PhoQC), which is supported by the Ministry for Cuture and Science of the state of North Rhine-Westphalia.


A complete list of projects is available in our project database

 

Net­zwerke

Logo CeOPP

CeOPP: Cen­ter for Op­to­elec­tron­ics and Photon­ics

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PC2: Pader­born Cen­ter for Par­al­lel Com­put­ing

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PhoQS: Photon­ic Quantum Sys­tems

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Logo TRR 142

TRR 142: Tailored Non­lin­ear Photon­ics: From Fun­da­ment­al Con­cepts to Func­tion

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NEWS

Suc­cess­ful PhD de­fense of Dr. Us­man Ali

On April 30th, 2025, Dr. Usman Ali successfully defended his thesis “Quantum dynamics in parametrically driven one-dimensional optical lattices”. Congratulations, well done, and all the best for Oldenburg, Usman!

Dr. Ruix­in Zuo suc­cess­fully de­fen­ded her PhD

On March 25th, 2025, Dr. Ruixin Zuo presented the results of her thesis “Microscopic investigations of light induced harmonic generation: Ultrafast carrier dynamics and excitonic effects” and successfully passed the oral examination of the committee. Congratulations and well done, Ruixin!

Suc­cess­ful PhD de­fense of Dr. Cong Thanh Ngo

On February 18, 2025, Dr. Cong Thanh Ngo successfully defended his dissertation on:
“Microscopic Analysis of the Nonlinear Optical Properties of Semiconductor Quantum Well Structures: Excitonic Anomalous Currents and Many-Body Correlations of Charge-Transfer Excitons”. Well done & Congratulations, Cong!

Non­adia­bat­ic tun­nel­ing is cru­cial for high har­mon­ic gen­er­a­tion in semi­con­duct­ors

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Suc­cess­ful PhD de­fence of Dr Al­ex­an­der Traut­mann

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Fo­cus Ses­sion "Tran­si­ent multi-wave mix­ing on ex­citon­ic res­on­ances" at DPG spring meet­ing in Dresden

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Best Stu­dent Pa­per Award for Dr Hendrik Rose at the SPIE Photon­ics West 2023

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Ex­cel­lence Award for Dr Hendrik Rose

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Ul­tra­fast and ex­cel­lent: Hendrik Rose very suc­cess­fully de­fen­ded his PhD thes­is

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Con­tact

Prof. Dr. Torsten Meier

Computational Optoelectronics and Photonics

Room N3.338
Paderborn University
Pohlweg 55
33098 Paderborn

+49 5251 60-2336 Send E-Mail Directions

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