Ultrafast Optical Pump-probe of Magnetic Kagome Metals

Marcos G Faria , Stephan Winnerl , Alexej Pashkin , Manfred Helm
2023 48th International Conference on Infrared, Millimeter, and Terahertz Waves (IRMMW-THz) 1 -2

2023
Low-energy population inversion in graphene evidenced in a three-pulse pump-probe experiment

Kalliopi Mavridou , Angelika Seidl , Alexej Pashkin , Manfred Helm
European Quantum Electronics Conference ee_p_3 -ee_p_3

2023
Extending the room temperature spin coherence time of boron vacancies in hexagonal boron nitride

Martin Schalk , Andreas Stier , Roberto Rizzato , Chenjiang Qian
APS March Meeting Abstracts 2023 G41. 011 -G41. 011

2023
THz sources: from semiconductor antennas to relativistic electrons

Manfred Helm
2022 47th International Conference on Infrared, Millimeter and Terahertz Waves (IRMMW-THz) 1 -1

2022
Ultra-Broadband Visible and Infrared Light Generation Driven by Far Infrared Light in the Broad Region from 8 {\mu} m to 240 {\mu} m

Nils W Rosemann , Robin C Döring , Eike Dornsiepen , Jürgen Belz
arXiv preprint arXiv:2204.14043

2022
Improved Germanium photoswitch for cavity dumping of a free-electron laser

Rakesh Rana , J Michael Klopf , Chiara Ciano , Abhishek Singh
2021 46th International Conference on Infrared, Millimeter and Terahertz Waves (IRMMW-THz) 1 -2

2021
Terahertz modulation of the trion resonance in MoSe 2 monolayer

Tommaso Venanzi , Malte Selig , Stephan Winnerl , Alexej Pashkin
2021 46th International Conference on Infrared, Millimeter and Terahertz Waves (IRMMW-THz) 1 -2

2021
Anisotropic Terahertz Pump-Probe Response of Bilayer Graphene

Angelika Seidl , Roozbeh Anvari , Marc M Dignam , Peter Richter
European Quantum Electronics Conference ei_3_5 -ei_3_5

2021
High-field charge transport in InGaAs nanowires

Rakesh Rana , Leila Balaghi , Ivan Fotev , Harald Schneider
CLEO: QELS_Fundamental Science JW1A. 1 -JW1A. 1

2021
Preventing the breakdown of photoconductive terahertz emitter at high bias-field operation

Malte Welsch , Abhishek Singh , Stephan Winnerl , Alexej Pashkin
CLEO: Applications and Technology JTu3A. 164 -JTu3A. 164

2021
Filling the 5-10 THz gap using Ge-based photoconductive emitter

Abhishek Singh , Alexej Pashkin , Stephan Winnerl , Manfred Helm
CLEO: Science and Innovations STu3F. 3 -STu3F. 3

2019
Enhancement of superconductivity in MgB 2 by narrow-band THz pumping

Nilabha Bhattacharjee , Amrit Raj Pokharel , Jure Demsar , Tao Dong
Verhandlungen der Deutschen Physikalischen Gesellschaft

2019
Near-field THz nanoscopy with novel accelerator-based photon sources

Lukas M Eng , Frederik Kuschewski , Jonathan Döring , Lukas Wehmeier
Multidisciplinary Digital Publishing Institute Proceedings 26 ( 1) 1 -1

2019
Photoinduced non-thermal insulator-to-metal transition in NbO 2 epitaxial thin films

Rakesh Rana , John Klopf , Joerg Grenzer , Harald Schneider
Verhandlungen der Deutschen Physikalischen Gesellschaft

2018
Low energy dynamics in charge ordered R 0.5 Sr 0.5 MnO 3 (R= Nd and Pr) manganite thin films

Rakesh Rana , Jorg Grenzer , Harald Schneider , Alexej Pashkin
Verhandlungen der Deutschen Physikalischen Gesellschaft

2017
Unconventional double-bended saturation of optical transmission in graphene due to many-particle interactions

Torben Winzer , Martin Mittendorff , Stephan Winnerl , Manfred Helm
arXiv preprint arXiv:1607.00870

2016
Far-infrared nonlinear optics in multilayer epitaxial graphene

Ryan J Suess , Stephan Winnerl , Harald Schneider , Manfred Helm
CLEO: Science and Innovations SM3L. 4 -SM3L. 4

2016
XI. Excitons and hot carriers in semiconductors

Manfred Helm
on Science with Free Electron Lasers 106 -106

2016
Pump-induced far-infrared reflection in quasi-intrinsic graphene

Martin Mittendorff , Ryan J Suess , Thomas E Murphy , Harald Schneider
APS March Meeting Abstracts 2016 A17. 011 -A17. 011

2016