FELBE Publications

Publications resulting from experiments at FELBE in chronological order

2023 2022 2021 2020 2019 2018 2017 2016  2015  2014 2013  2012  2011 2010  2009  2008 2007  2006

2023

J.W. Han, P. Sai, D.B. But, E. Uykur, S. Winnerl, G. Kumar, M.L. Chin, R.L. Myers-Ward, M.T. Dejarld, K.M. Daniels, T.E. Murphy, W. Knap, and M. Mittendorff
Strong transient magnetic fields induced by THz-driven plasmons in graphene disks
Nature Comm. 14, 7493 (2023).

S. Sobolev, A. P. Lanz, T. Dong, A. Pokharel, V. Kabanov, T.-Q. Xu, Y. Wang, Z.-Z. Gan, L.-Y. Shi, N.-L. Wang, A. Pashkin, E. Uykur, S. Winnerl, M. Helm and J. Demsar:
Possible Eliashberg-Type Superconductivity Enhancement Effects in a Two-Band Superconductor MgB2 Driven by Narrow-Band THz Pulses
Phys. Rev. Lett. 131, 186903 (2023).

T. A. Uaman Svetikova, T. V. A. G. de Oliveira, A. Pashkin, A. Ponomaryov, C. Berger, L. Fürst, F. B. Bayer, E. G. Novik, H. Buhmann, L. W. Molenkamp, M. Helm, T. Kiessling, S. Winnerl, S. Kovalev and G. V. Astakhov:
Giant THz Nonlinearity in Topological and Trivial HgTe-Based Heterostructures
ACS Photonics 10, 3708-3714 (2023).

M. Obst, T. Nörenberg, G. Álvarez-Pérez, T. V. A. G. de Oliveira, J. Taboada-Gutiérrez, F. H. Feres, F. G. Kaps, O. Hatem, A. Luferau, A. Y. Nikitin, J. M. Klopf, P. Alonso-González, S. C. Kehr and L. M. Eng:
Terahertz Twistoptics–Engineering Canalized Phonon Polaritons
ACS Nano 17, 19313-19322 (2023).

J. Matson, S. Wasserroth, X. Ni, M. Obst, K. Diaz-Granados, G. Carini, E. M. Renzi, E. Galiffi, T. G. Folland, L. M. Eng, J. M. Klopf, S. Mastel, S. Armster, V. Gambin, M. Wolf, S. C. Kehr, A. Alù, A. Paarmann and J. D. Caldwell:
Controlling the propagation asymmetry of hyperbolic shear polaritons in beta-gallium oxide
Nat. Commun. 14, 5240 (2023).

F. H. Feres, I. D. Barcelos, A. R. Cadore, L. Wehmeier, T. Nörenberg, R. A. Mayer, R. O. Freitas, L. M. Eng, S. C. Kehr, and F. C. B. Maia:
Graphene Nano-Optics in the Terahertz Gap
Nano Lett. 23, 3913–3920 (2023).

R. Yadav, F. Ludwig, F. R. Faridi, J. M. Klopf,  H. G. Roskos, S. Preu, and A. Penirschke:
State-of-the-Art Room Temperature Operable Zero-Bias Schottky Diode-Based Terahertz Detector Up to 5.56 THz
Sensors 23, 3469 (2023).

M. Helm, S. Winnerl, A. Pashkin, J. M. Klopf, J.-C. Deinert, S. Kovalev, P. Evtushenko, U. Lehnert, R. Xiang, A. Arnold, A. Wagner, S. M. Schmidt, U. Schramm, T. Cowan and P. Michel:
The ELBE infrared and THz facility at Helmholtz-Zentrum Dresden-Rossendorf
Eur. Phys. J. Plus 138, 158 (2023).

back to top


2022

I. Ilyakov, A. Ponomaryov, J. M. Klopf, A. Pashkin, J. C. Deinert, T. V. A. G. de Oliveira, P. Evtushenko, M. Helm, S. Winnerl and S. Kovalev:
Field-resolved THz-pump laser-probe measurements with CEP-unstable THz light sources
Optics Express 30, 42141-42154 (2022).

F. Meng, F. Walla, Q. ul-Islam, A. Pashkin, H. Schneider, C. Jungemann, M. D. Thomson and H. G. Roskos:
Importance of valence-band anharmonicity and carrier distribution for third- and fifth-harmonic generation in Si:B pumped with intense terahertz pulses
Phys. Rev. B 106, 075203 (2022).

T. Nörenberg, G. Álvarez-Pérez, M. Obst, L. Wehmeier, F. Hempel, J. M. Klopf, A. Y. Nikitin, S. C. Kehr, L. M. Eng, P. Alonso-González & T. V. A. G. de Oliveira:
Germanium Monosulfide as a Natural Platform for Highly Anisotropic THz Polaritons
ACS Nano 16, 20174 (2022).

T. Venanzi, M. Selig, A. Pashkin, S. Winnerl, M. Katzer, H. Arora, A. Erbe, A. Patanè, Z. R. Kudrynskyi, Z. D. Kovalyuk, L. Baldassarre, A. Knorr, M. Helm and H. Schneider:
Terahertz control of photoluminescence emission in few-layer InSe
Appl. Phys. Lett. 120, 092104 (2022).

A. Seidl, R. Anvari, M. M. Dignam, P. Richter, Th. Seyller, H. Schneider, M. Helm, S. Winnerl:
Pump-induced terahertz anisotropy in bilayer graphene
Phys. Rev. B 105, 085404 (2022).

F. Novelli, C. Hoberg, E. M. Adams, J. M. Klopf and M. Havenith:
Terahertz pump–probe of liquid water at 12.3 THz
Phys. Chem. Chem. Phys. 24, 653 (2022).

J. W. Han, M. L. Chin, S. Matschy, J. Poojali, A. Seidl, S. Winnerl, H. A. Hafez, D. Turchinovich, G. Kumar, R. L. Myers-Ward, M. T. Dejarld, K. M. Daniels, H. D. Drew, T. E. Murphy, M. Mittendorff:
Plasmonic terahertz nonlinearity in graphene disks
Adv. Photonics Res. 3, 210021 (2022).

back to top


2021

T. Venanzi, M. Selig, S. Winnerl, A. Pashkin, A. Knorr, M. Helm, H. Schneider:
Terahertz induced energy transfer from hot carriers to trions in a MoSe2 monolayer
ACS Photonics 8, 2931 (2021).

F. H. Feres, R. A. Mayer, L. Wehmeier, F. C. B. Maia, E. R. Viana, A. Malachias, H. A. Bechtel, J. M. Klopf, L. M. Eng, S. C. Kehr, J. C. González, R. O. Freitas, and I. D. Barcelos
Sub-diffractional cavity modes of terahertz hyperbolic phonon polaritons in tin oxide
Nature Communications 12, 1995 (2021).

T. Nörenberg, L. Wehmeier, D. Lang, S.C. Kehr, and L.M. Eng
Compensating for artifacts in scanning near-field optical microscopy due to electrostatics
APL Photonics 6, 036102 (2021).

M. L. Chin, S. Matschy, F. Stawitzki, J Poojali, H. A. Hafez, D. Turchinovich, S. Winnerl, G. Kumar, R. L. Myers-Ward, M. T. Dejarld, K. M. Daniels, H. D. Drew, T. E. Murphy, and M. Mittendorff
Observation of strong magneto plasmonic nonlinearity in bilayer graphene discs
J. Phys. Photonics 3, 01LT01 (2021).

T. V. A. G. de Oliveira, T. Nörenberg, G. Álvarez‐Pérez, L. Wehmeier, J. Taboada‐Gutiérrez, M. Obst, F. Hempel, E. J. H. Lee, J. M. Klopf , I. Errea, A. Y. Nikitin, S. C. Kehr, P. Alonso‐González, and L. M. Eng,
Nanoscale‐Confined Terahertz Polaritons in a van der Waals Crystal
Adv. Mater. 33, 2005777 (2021).

R. Rana, J. M. Klopf, C. Ciano, A. Singh, S. Winnerl, H. Schneider, M. Helm, A. Pashkin
Gold implanted germanium photoswitch for cavity dumping of a free-electron laser
Applied Physics Letters 118, 011107 (2021).

back to top


2020

M. M. Jadidi, M. Kargarian, M. Mittendorff, Y. Aytac, B. Shen, J. C. König-Otto, S. Winnerl, N. Ni, A. L. Gaeta, T. E. Murphy, and H. D. Drew
Nonlinear optical control of chiral charge pumping in a topological Weyl semimetal
Physical Review B 102, 245123 (2020).

C. Ciano, L. Persichetti, M. Montanari, L. Di Gaspare, G. Capellini, L. Baldassarre, M. Ortolani, A. Pashkin, M. Helm, S. Winnerl, M. Virgilio, and M. De Seta
Electron-phonon coupling in n-type Ge two-dimensional systems
Physical Review B 102, 205302 (2020).

A. Soltani, F. Kuschewski, M. Bonmann, A. Generalov, A. Vorobiev, F. Ludwig, M. M. Wiecha, D. Cibiraite, F. Walla, S. Winnerl, S. C. Kehr, L. M. Eng, J. Stake, and H. G. Roskos,
Direct nanoscopic observation of plasma waves in the channel of a graphene field-effect transistor
Light: Science & Applications 9, 97 (2020).

C. Ciano, M. Virgilio, L. Bagolini, L. Baldassarre, A. Rossetti, A. Pashkin, M. Helm, M. Montanari, L. Persichetti, L. Di Gaspare, G. Capellini, D.J. Paul, G. Scalari, J. Faist, M. de Seta, and M. Ortolani
Electron Population Dynamics in Optically Pumped Asymmetric Coupled Ge/SiGe Quantum Wells: Experiments and Models
Photonics 7, 2 (2020).

F. Meng, M. D. Thomson, Q. ul-Islam, B. Klug, A. Pashkin, H. Schneider, and H. G. Roskos
Intracavity third-harmonic generation in Si:B pumped by intense terahertz pulses
Physical Review B 102, 075205 (2020).

J. Schmidt, S. Winnerl, E. Dimakis, R. Hübner, H. Schneider, and M. Helm
All-THz pump-probe spectroscopy of the intersubband AC-Stark effect in a wide GaAs quantum well
Optics Express 28, 25358-25370 (2020).

L. Wehmeier, T. Nörenberg, T. V. A. G. de Oliveira, J. M. Klopf, S.-Y. Yang, L. W. Martin, R. Ramesh, L. M. Eng, and S. C. Kehr
Phonon-induced near-field resonances in multiferroic BiFeO3 thin films at infrared and THz wavelengths
Appl. Phys. Lett. 116, 071103 (2020).

C. Ciano, M. Virgilio, L. Bagolini, L. Baldassarre, A. Pashkin, M. Helm, M. Montanari, L. Persichetti, L. Di Gaspare, G. Capellini, D.J. Paul, G. Scalari, J. Faist, M. de Seta, and M. Ortolani
Terahertz absorption-saturation and emission from electron-doped germanium quantum wells
Optics Express 28, 7245 (2020).

back to top


2019

V. N. Shastin, R. K. Zhukavin, K. A. Kovalevsky, V. V. Tsyplenkov, V. V. Rumyantsev, D. V. Shengurov, S. G. Pavlov, V. B. Shuman, L. M. Portsel, A. N. Lodygin, Y. A. Astrov, N. V. Abrosimov, J. M. Klopf , and H.-W. Hübers
Chemical Shift and Exchange Interaction Energy of the 1s States of Magnesium Donors in Silicon. The Possibility of Stimulated Emission
Semiconductors 53,1234 (2019).

C. Ciano, M. Virgilio, L. Bagolini, L. Baldassarre, A. Rossetti, A. Pashkin, M. Helm, M. Montanari, L. Persichetti, L. Di Gaspare, G. Capellini, D.J. Paul, G. Scalari, J. Faist, M. de Seta, and M. Ortolani
Electron Population Dynamics in Optically Pumped Asymmetric Coupled Ge/SiGe Quantum Wells: Experiments and Models
Photonics 7, 2 (2019).

D. B. But, M. Mittendorff, C. Consejo, F. Teppe, N. N. Mikhailov, S. A. Dvoretskii, C. Faugeras, S. Winnerl, M. Helm, W. Knap, M. Potemski, M. Orlita,
Suppressed Auger scattering and tunable light emission of Landau-quantized massless Kane electrons,
Nature Photonics 13, 783 (2019).

L. Wehmeier, D. Lang, Y. Liu, X. Zhang, S. Winnerl, L. M. Eng, and S. C. Kehr
Polarization-dependent near-field phonon nanoscopy of oxides: SrTiO3, LiNbO3, and PbZr0.2Ti0.8O3
Phys. Rev. B 100, 035444 (2019).

S. Regensburger, S. Winnerl, J.M. Klopf, H. Lu, A. C. Gossard and S. Preu,
Picosecond-scale Terahertz pulse characterization with field-effect transistors
IEEE Transactions on Terahertz Science and Technology 9, 262 (2019).

M. M. Jadidi, K. M. Daniels, R. L. Myers-Ward, D. K. Gaskill, J. C. König-Otto, S. Winnerl, A. B. Sushkov, H. D. Drew, T. E. Murphy, M. Mittendorff,
Optical Control of Plasmonic Hot Carriers in Graphene
ACS Photonics 6, 302 (2019).

D. Lang, L. Balaghi, S. Winnerl, H. Schneider, R. Hübner, S. C. Kehr, L. M. Eng, M. Helm, E. Dimakis, and A. Pashkin,
Nonlinear plasmonic response of doped nanowires observed by infrared nanospectroscopy
Nanotechnology 30, 084003 (2019).

back to top


2018

S. Regensburger, A. K. Mukherjee, S. Schönhuber, M. A. Kainz, S. Winnerl, J. M. Klopf, H. Lu, A. C. Gossard, K. Unterrainer, and S. Preu
Broadband Terahertz Detection With Zero-Bias Field-Effect Transistors Between 100 GHz and 11.8 THz With a Noise Equivalent Power of 250 pW/√Hz at 0.6 THz
IEEE Trans. on Terahertz Science and Technology 8, 465 (2018).

J. Döring, D. Lang, L. Wehmeier, F. Kuschewski, T. Nörenberg, S. C. Kehr, and L. M. Eng
Low-temperature nanospectroscopy of the structural ferroelectric phases in single-crystalline barium titanate
Nanoscale 10, 18074 (2018).

D. Lang, J. Döring, T. Nörenberg, Á. Butykai, I. Kézsmárki, H. Schneider, S. Winnerl, M. Helm, S.C. Kehr, and L.M. Eng.
Infrared nanoscopy down to liquid helium temperatures
Review of Scientific Instruments 89, 033702 (2018).

T. Firkala, F. Kuschewski, T. Nörenberg, J. M. Klopf, A. Pashkin, H. Foerstendorf, M. Rudolph, S.C. Kehr, L. M. Eng
Near-Field Optical Examination of Potassium n-Butyl Xanthate/Chalcopyrite Flotation Products
Minerals, 8 (3), 118 (2018).

H. Plank, J. Pernul, S. Gebert, S. N. Danilov, J. König-Otto, S. Winnerl, M. Lanius, J. Kampmeier, G. Mussler, I. Aguilera, D. Grützmacher, and S. D. Ganichev
Infrared/Terahertz Spectra of the Photogalvanic Effect in (Bi,Sb)Te based Three Dimensional Topological Insulators
Phys. Rev. Mat. 2, 024202 (2018).

A. Lisauskas, K. Ikamas, S. Massabeau, M. Bauer, D. Cibiraité, J. Matukas, J. Mangeney, M. Mittendorff, S. Winnerl, V. Krozer, and H. G. Roskos
Field-effect transistors as electrically controllable nonlinear rectifiers for the characterization of terahertz pulses
APL Photonics 3, 051705 (2018).

back to top


2017

S.C. Kehr, J. Döring, M. Gensch, M. Helm, and L.M. Eng.
FEL-Based Near-Field Infrared to THz Nanoscopy
Synchrotron Radiation News 30 (4), 31-35 (2017).

S. Winnerl, M. Mittendorff, J. C. König-Otto, H. Schneider, M. Helm, T. Winzer, A. Knorr, and E. Malic
Ultrafast processes in graphene: from fundamental manybody interactions to device applications
Annalen der Physik (Berlin) 529, 1700022 (2017).

E. Malic, T. Winzer, F. Wendler, S. Brem, R. Jago, A. Knorr, M. Mittendorff, J. C. König-Otto, T. Plötzing, D. Neumaier, H. Schneider, M. Helm, and S. Winnerl,
Carrier dynamics in graphene: ultrafast many-particle phenomena
Annalen der Physik (Berlin) 529, 1700038 (2017).

F. Wendler, M. Mittendorff, J. C. König-Otto , S. Brem, C. Berger, W. A. de Heer, R. Böttger, H. Schneider, M. Helm, S. Winnerl , and E. Malic
Symmetry-Breaking Supercollisions in Landau-Quantized Graphene
Phys. Rev. Lett. 119, 067405 (2017).

B. Piętka, N. Bobrovska, D. Stephan, M. Teich , M. Król, S. Winnerl, A. Pashkin , R. Mirek, K. Lekenta, F. Morier-Genoud, H. Schneider , B. Deveaud, M. Helm , M. Matuszewski, and J. Szczytko
Doubly Dressed Bosons: Exciton Polaritons in a Strong Terahertz Field
Phys. Rev. Lett. 119, 077403 (2017).

N. Deßmann, S. G. Pavlov, V. V. Tsyplenkov, E. E. Orlova, A. Pohl, V. N. Shastin, R. Kh. Zhukavin, S. Winnerl, M. Mittendorff, J. M. Klopf, N. V. Abrosimov, H. Schneider , and H.-W. Hübers
Dynamics of non-equilibrium charge carriers in p-germanium doped by gallium
Phys. Status Solidi B 254, 1600803 (2017).

J. Bühler, C. Schmidt, H. Schneider, M. Helm, A. Pashkin, D. V. Seletskiy
Quantum Interference Current in InSb Injected by Intense Terahertz Radiation
The Journal of Infrared, Millimeter, and Terahertz Waves (2017).

S. Ruffenach, A. Kadykov, V. V. Rumyantsev, J. Torres,D. Coquillat, D. But,S. S. Krishtopenko, C. Consejo, W. Knap, S. Winnerl, M. Helm, M. A. Fadeev, N. N. Mikhailov, S. A. Dvoretskii, V. I. Gavrilenko, S. V. Morozov, F. Teppe
HgCdTe-based heterostructures for terahertz photonics
APL Materials 5, 035503 (2017).

J. C. König-Otto, Yongrui Wang, Alexey Belyanin, C. Berger, W. A. de Heer, M. Orlita, A. Pashkin, H. Schneider, M. Helm, S. Winnerl
Four-wave mixing in Landau-quantized graphene
Nano Lett. 17, 2184 (2017).

M. Beck, M. Klammer, I. Rousseau, M. Obergfell, P. Leiderer, M. Helm, V. V. Kabanov, I. Diamant, A. Rabinowicz, Y. Dagan, J. Demsar
Energy dependence of the electron-boson coupling strength in the electron-doped cuprate superconductor Pr1.85Ce0.15CuO4−δ
Phys. Rev.B 95, 085106 (2017).

back to top


2016

T.A. Miller, M. Gensch, S. Wall
Light control of orbital domains: case of the prototypical manganite La0.5Sr1.5MnO4
PHYSICA SCRIPTA 91 (8), 124002 (2016).

S. G. Pavlov, N. Deßmann, A. Pohl, V. B. Shuman, L. M. Portsel, A. N. Lodygin, Y. A. Astrov, S. Winnerl, H. Schneider, N. Stavrias, A. F. G. van der Meer, V. V. Tsyplenkov, K. A. Kovalesky, R. K. Zhukavin, V. N. Shastin, N. V. Abrosimov, H.-W. Hübers
Dynamics of nonequilibrium electrons on neutral center states of interstitial magnesium donors in silicon
Phys. Rev. B 94, 075208 (2016).

J. C. König-Otto, M. Mittendorff, T. Winzer, F. Kadi, E. Malic, A. Knorr, C. Berger, W. A. de Heer, A. Pashkin, H. Schneider, M. Helm, and S. Winnerl
Slow Noncollinear Coulomb Scattering in the Vicinity of the Dirac Point in Graphene
Phys. Rev. Lett. 117, 087401 (2016).

R. J. Suess,S. Winnerl, H. Schneider, M. Helm , C. Berger, W. A. de Heer, T. E. Murphy, and M. Mittendorff
Role of Transient Reflection in Graphene Nonlinear Infrared Optics
ACS Photonics 3, 1069 (2016).

D. Sabbagh, J. Schmidt, S. Winnerl, M. Helm , L. Di Gaspare, M. De Seta, M. Virgilio, M. Ortolani
Electron dynamics in silicon-germanium terahertz quantum fountain structures
ACS Photonics 3, 403 (2016).

M. M. Jadidi, J. C. König-Otto, S. Winnerl , A. B. Sushkov, H. D. Drew, T. E. Murphy, M. Mittendorff
Nonlinear Terahertz Absorption of Graphene Plasmons
Nano Lett. 16 (4), 2734 (2016).

F. Kuschewski, H.-G. von Ribbeck, J. Döring, S. Winnerl, L. M. Eng and S. C. Kehr
Narrow-band near-field nanoscopy in the spectral range from 1.3 to 8.5 THz
Appl. Phys. Lett.108, 113102 (2016).

D. Stephan, J. Bhattacharyya, Y. H. Huo, O. G. Schmidt, A. Rastelli, M. Helm and H. Schneider
Inter-sublevel dynamics in single InAs/GaAs quantum dots induced by strong terahertz excitation
Appl. Phys. Lett.108, 082107 (2016).

S. C. Kehr, R. G. P. McQuaid, L. Ortmann, T. Kämpfe, F. Kuschewski, D. Lang, J. Döring, J. M. Gregg, and L. M. Eng
A local superlens
ACS Photonics, 3, 20(2016).

back to top


2015

S. Regensburger, M. Mittendorff, S. Winnerl, H. Lu, A.C. Gossard, S. Preu,
Broadband THz detection from 0.1 to 22 THz with large area field-effect transistors
Optics Express 23, 20732 (2015).

F. Kuschewski, S.C. Kehr, B. Green, Ch. Bauer, M. Gensch, L.M. Eng
Optical nanoscopy of transient states in condensed matter
Scientific Reports 5 ,2582 (2015).

S. G. Pavlov, N. Deßmann, A. Pohl, N. V. Abrosimov, M. Mittendorff, S. Winnerl, R. Kh. Zhukavin, V. V. Tsyplenkov, D. V. Shengurov, V. N. Shastin and H.-W. Hübers
Towards a life-time-limited 8-octave-infrared photoconductive germanium detector
Journal of Physics: Conference Series 647,012070 (2015).

S. Preu, M. Mittendorff, S. Winnerl , O. Cojocari, A. Penirschke
THz Autocorrelators for ps Pulse Characterization Based on Schottky Diodes and Rectifying Field-Effect Transistors
IEEE Transactions on Terahertz Science and Technology 5, 922 (2015).

M. Mittendorff, J. Kamann, J. Eroms, D. Weiss, C. Drexler, S. D. Ganichev, J. Kerbusch, A. Erbe, R. J. Suess, T. E. Murphy, S. Chatterjee, K. Kolata, J. Ohser, J. C. König-Otto, H. Schneider, M. Helm, S. Winnerl
Universal ultrafast detector for short optical pulses based on graphene
Optics Express 23, 28728 (2015).

T. A. Miller, R. W. Chhajlany, L. Tagliacozzo,B. Green, S. Kovalev , D. Prabhakaran, M. Lewenstein, M. Gensch, S. Wall
Terahertz field control of in-plane orbital order in La0.5Sr1.5MnO4
Nature Communications6, 8175 (2015).

F. Eßer, O. Drachenko, A. Patanè, M. Ozerov, S. Winnerl, H. Schneider, and M. Helm Direct determination of the electron effective mass of GaAsN by terahertz cyclotron resonance spectroscopy
Appl. Phys. Lett. 107, 062103 (2015).

J. Schmidt, S. Winnerl, W. Seidel, Ch. Bauer, M. Gensch, H. Schneider, and M. Helm Single-pulse picking at kHz repetition rates using a Ge plasma switch at the free-electron laser FELBE
Rev. Sci. Instr. 86, 063103 (2015).

N. Deßmann, S. G. Pavlov, A. Pohl, N. V. Abrosimov, S. Winnerl, M. Mittendorff, R. Kh. Zhukavin, V. V. Tsyplenkov, D. V. Shengurov, V. N. Shastin and H.-W. Hübers
Lifetime-limited, subnanosecond terahertz germanium photoconductive detectors
Appl. Phys. Lett. 106, 171109 (2015).

M. Fehrenbacher, S. Winnerl, H. Schneider, J. Döring, S. C. Kehr, L. M. Eng, Y. Huo, O. G. Schmidt, K. Yao, Y. Liu, and M. Helm
Plasmonic Superlensing in Doped GaAs
Nano Lett. 15, 1057 (2015).

M. Mittendorff, F. Wendler, E. Malic, A. Knorr, M. Orlita, M. Potemski, C. Berger, W. A. de Heer, H. Schneider, M. Helm, and S. Winnerl
Carrier dynamics in Landau-quantized graphene featuring strong Auger scattering
Nature Physics 11, 75 (2015).

back to top


2014

J. Döring, H.-G. von Ribbeck, M. Fehrenbacher, S. C. Kehr, and L. M. Eng
Near-field resonance shifts of ferroelectric barium titanate domains upon lowtemperature phase transition
Appl. Phys. Lett. 105, 053109 (2014).

M. Mittendorff, M. Orlita, M. Potemski, C. Berger, W. A. de Heer, H. Schneider, M. Helm, and S. Winnerl
Intraband carrier dynamics in Landau-quantized multilayer epitaxial graphene
New J. Phys. 16, 123021 (2014).

S. G. Pavlov, N. Deßmann, V. N. Shastin, R. Kh. Zhukavin, B. Redlich, A. F. G. van der Meer, M. Mittendorff, S. Winnerl, N. V. Abrosimov, H. Riemann, and H.-W. Hübers
Terahertz Stimulated Emission from Silicon Doped by Hydrogenlike Acceptors
Phys. Rev. X 4, 021009 (2014).

S. Zybell, J. Bhattacharyya, S. Winnerl, F. Eßer, M. Helm, H. Schneider, L. Schneebeli, C. N. Böttge, M. Kira, S. W. Koch, A. M. Andrews, and G. Strasser
Characterizing intra-exciton Coulomb scattering in terahertz excitations
Appl. Phys. Lett. 105, 201109 (2014).

D. B. But, C. Drexler, M. V. Sakhno, N. Dyakonova, O. Drachenko , F. F. Sizov, A. Gutin, S. D. Ganichev and W. Knap
Nonlinear photoresponse of field effect transistors terahertz detectors at high irradiation intensities
J. Appl. Phys. 115, 164514 (2014).

J. Bhattacharyya, S. Zybell, F. Eßer, M. Helm, H. Schneider, L. Schneebeli, C. N. Böttge, B. Breddermann, M. Kira, S. W. Koch, A. M. Andrews, and G. Strasser
Magnetic control of Coulomb scattering and terahertz transitions among excitons
Phys. Rev. B 89, 125313 (2014).

N. Deßmann, S. G. Pavlov, V. N. Shastin, R. Kh. Zhukavin, V. V. Tsyplenkov, S. Winnerl, M. Mittendorff, N. V. Abrosimov, H. Riemann, and H.-W. Hübers,
Time-resolved electronic capture in n-type germanium doped with antimony
Phys. Rev. B 89, 035205 (2014).

M. Teich, M. Wagner, D. Stehr, H. Schneider, M. Helm, C. N. Böttge, A. C. Klettke, S. Chatterjee, M. Kira, S. W. Koch, G. Khitrova, and H. M. Gibbs
Systematic investigation of THz-induced excitonic Rabi splitting
Phys. Rev. B 89, 115311 (2014).

M. Virgilio, M. Ortolani, M. Teich, S. Winnerl, M. Helm, D. Sabbagh, G. Capellini, and M. De Seta,
Combined effect of electron and lattice temperatures on the long intersubband relaxation times of Ge/SixGe1−x quantum wells
Phys. Rev. B 89, 045311 (2014).

back to top


2013

M. Teich, D.R. Stephan, S. Winnerl, H. Schneider, M. Helm, and L.R. Wilson,
Intersublevel dephasing in InAs/GaAs quantum dots below the Reststrahlen band
Appl. Phys. Lett. 103, 252110 (2013).

M. Teich, M. Wagner, H. Schneider, and M. Helm
Semiconductor quantum well excitons in strong, narrowband terahertz fields
New J. Phys. 15, 065007 (2013).

S. Preu, M. Mittendorff, S. Winnerl, H. Lu, A. C. Gossard, and H. B. Weber,
Ultra-fast transistor-based detectors for precise timing of near infrared and THz signals
Optics Express 21, 17941(2013).

M. Mittendorff, S. Winnerl, J. Kamann, J. Eroms, D. Weiss, H. Schneider, and M. Helm
Ultrafast graphene-based broadband THz detector
Appl. Phys. Lett. 103, 021113 (2013).

M. Beck, I. Rousseau, M. Klammer, P. Leiderer, M. Mittendorff, S. Winnerl, M. Helm , G. N. Goltsman, and J. Demsar
Transient increase of the energy gap in superconducting NbN thin films excited by resonant narrow-band terahertz pulses
Phys. Rev. Lett. 110, 267003 (2013).

S. Winnerl, F. Göttfert, M. Mittendorff, H. Schneider, M. Helm, T. Winzer, E. Malic, A. Knorr, A.; M. Orlita, M. Potemski, M. Sprinkle, C. Berger, W. A. de Heer
Time-resolved spectroscopy on epitaxial graphene in the infrared spectral range: relaxation dynamics and saturation behaviour
J. Phys.: Condens. Matter 25, 054202 (2013).

A. Dienst, E. Casandruc, D. Fausti, L. Zhang, M. Eckstein, M. Hoffmann, V. Khanna, N. Dean, M. Gensch, S. Winnerl, W. Seidel , S. Pyon, T. Takayama, H. Takagi & A. Cavalleri
Optical excitation of Josephson plasma solitons in a cuprate superconductor
Nature Materials 12, 535–541 (2013).

W. D. Rice, J. Kono, S. Zybell, S. Winnerl, J. Bhattacharyya, H. Schneider, M. Helm , B. Ewers, A. Chernikov, M. Koch, S. Chatterjee, G. Khitrova, H. M. Gibbs, L. Schneebeli, B. Breddermann, M. Kira, and S. W. Koch
Observation of Forbidden Exciton Transitions Mediated by Coulomb Interactions in Photoexcited Semiconductor Quantum Wells
Phys. Rev. Lett. 110,137404 (2013).

back to top


2012

S. V. Morozov, M. S. Joludev, A. V. Antonov, V. V. Rumyantsev, V. I. Gavrilenko, V. Ya. Aleshkin, A. A. Dubinov, N. N. Mikhailov, S. A. Dvoretskiy, O. Drachenko, S. Winnerl, H. Schneider, and M. Helm
Study of Lifetimes and Photoconductivity Relaxation in Heterostructures with HgxCd1-xTe/CdyHg1-yTe Quantum Wells
Semiconductors 46, 1362-1366 (2012).

S. Boppel, A. Lisauskas, M. Mundt, D. Seliuta, L. Minkevičius, I. Kašalynas, G. Valušis, V. Krozer, M. Mittendorff, S. Winnerl, Roskos, G. Hartmut
CMOS integrated antenna-coupled field-effect-transistors for the detection of radiation from 0.2 to 4.3 THz
IEEE Transactions on Microwave Theory and Techniques 60, 3834-3843 (2012).

N. Deßmann, S. G. Pavlov, V. N. Shastin, R. Kh. Zhukavin, S. Winnerl, M. Mittendorff, H.-W. Hübers Time-resolved electronic capture in germanium doped with hydrogen-like impurity centers Proceedings of the IEEE 37th International Conference on Infrared, Millimeter and Terahertz Waves, ID:2569425;

C. Bauer, M. Gensch and J. Heberle
Enroute to investigating protein dynamics under selective vibrational excitation at the THz FEL FELBE
J. Phys.: Conf. Ser. 359, 012011 (2012).

R. Jacob, S. Winnerl, M. Fehrenbacher, J. Bhattacharyya, H. Schneider, M.T. Wenzel, H.-G.von Ribbeck, L.M. Eng, P. Atkinson, O.G. Schmidt, and M. Helm
Intersublevel spectroscopy on single InAs-quantum dots by terahertz near-field microscopy
Nano Letters 12, 4336 (2012).

M. Wagner, M.Teich, M. Helm, D. Stehr
Temperature dependence of the intraexcitonic AC Stark effect in semiconductor quantum wells
Appl. Phys. Lett. 100, 051109 (2012).

J. Bhattacharyya, S. Zybell, S. Winnerl, M. Helm, M. Hopkinson, L. R. Wilson, and H. Schneider
In-plane interdot carrier transfer in InAs/GaAs quantum dots
Appl. Phys. Lett. 100, 152101 (2012).

back to top


2011

M. Giehler, M. Wienold, L. Schrottke, R. Hey, H. T. Grahn, S. G. Pavlov, H.-W. Hübers, S. Winnerl, and H. Schneider
Mid-infrared pump-related electric-field domains in GaAs/(Al,Ga)As quantum-cascade structures for terahertz lasing without population inversion
J. Appl. Phys. 109, 103104 (2011).

M. Ortolani, D. Stehr, M. Wagner, M. Helm, G. Pizzi, M. Virgilio, G. Grosso, G. Capellini, and M. De Seta
Long intersubband relaxation times in n-type germanium quantum wells
Appl. Phys. Lett. 99, 201101 (2011).

S. Winnerl, M. Orlita, P. Plochocka, P. Kossacki, M. Potemski, T. Winzer, E. Malic, A. Knorr, M. Sprinkle, C. Berger, W. A. de Heer, H. Schneider, and M. Helm
Carrier relaxation in epitaxial graphene photoexcited near the Dirac point
Phys. Rev. Lett. 107, 237401 (2011).

J. Bhattacharyya, M. Wagner, S. Zybell, S. Winnerl, D. Stehr, M. Helm, and H. Schneider
Simultaneous time and wavelength resolved spectroscopy under two-colour near infrared and terahertz excitation
Rev. Sci. Instrum. 82, 103107 (2011).

S. Zybell, H. Schneider, S. Winnerl, M. Wagner, K. Köhler, and M. Helm
Photoluminescence dynamics in GaAs/AlGaAs quantum wells under pulsed intersubband excitation
Appl. Phys. Lett. 99, 041103 (2011).

S.C. Kehr, Pu Yu, Y.M. Liu, M. Parzefall, A.I. Khan, R. Jacob, M.T. Wenzel, H.-G. Ribbeck, M. Helm, X. Zhang, L.M. Eng, and R. Ramesh
Microspectroscopy on perovskite-based superlenses
Optical Materials Express 1, 1051 (2011).

C.Balocco, S. R. Kasjoo, X. F. Lu, L. Q. Zhang, Y. Alimi, S. Winnerl, and A. M. Song
Room-temperature operation of a unipolar nanodiode at terahertz frequencies
Appl. Phys. Lett. 98, 223501 (2011).

S. C. Kehr, Y. M. Liu, L. W. Martin, P. Yu, M. Gajak, S.-Y. Yang, C.-H. Yang, M. T. Wenzel, R. Jacob, H.-G. von Ribbeck, M. Helm, X. Zhang, L. M. Eng, and R. Ramesh
Near-field examination of perovskite-based superlenses and superlense-enhanced probe-object coupling
Nature Communications 2, 249 (2011).

M. Wagner, H. Schneider, D. Stehr, S. Winnerl, A. M. Andrews, S. Schartner, G. Strasser, and M. Helm
Terahertz nonlinear optics using intra-excitonic quantum-well transitions: Sideband generation and AC Stark splitting
physica status solidi (b) 248, 859 (2011).

O. Drachenko, S. Winnerl, H. Schneider, M. Helm, J. Wosnitza, and J. Leotin
Compact magnetospectrometer for pulsed magnets based on infrared quantum cascade lasers
Rev. Sci. Instrum. 82, 033108 (2011).

S. Winnerl, D. Stehr, M. Wagner, H. Schneider, M. Helm, W. Seidel, P. Michel, E. A. Zibik, B. A. Carpenter, N. E. Porter, M. S. Skolnick, L. R. Wilson, T. Grange, R. Ferreira, G. Bastard, M. Orlita, P. Plochocka, P. Kossacki, M. Potemski, M. Sprinkle, C. Berger, and W. A. de Heer
Time resolved spectroscopy on quantum dots and graphene at the FELBE free-electron laser
Proc. SPIE 7937, 793708 (2011).

back to top


2010

J. Bhattacharyya, M. Wagner, M. Helm, M. Hopkinson, L. R. Wilson, and H. Schneider
Terahertz activated luminescence of trapped carriers in InGaAs/GaAs quantum dots
Appl. Phys. Lett. 97, 031101 (2010).

R. Jacob, S. Winnerl, H. Schneider, M. Helm, M. T. Wenzel, H.-G. v. Ribbeck, L. M. Eng, and S. Kehr
Quantitative determination of the charge carrier concentration of sub-surface implanted silicon by IR-near-field spectroscopy
Opt. Express 18, 26206-26213 (2010).

I. C. Sandall, N. E. Porter, L. R. Wilson, M. Wagner, H. Schneider, S. Winnerl, and M. Helm
Terahertz optical sideband emission in self-assembled quantum dots
Appl. Phys. Lett. 96, 201105 (2010)
.

M. Wagner, H. Schneider, D. Stehr, S. Winnerl, A. M. Andrews, S. Schartner, G. Strasser, and  M. Helm
Observation of the Interexciton Autler-Townes Effect in GaAs/AlGaAs Semiconductor Quantum Wells
Phys. Rev. Lett. 105, 167401(2010).

M. Wagner, H. Schneider, D. Stehr, S. Winnerl, A. M. Andrews, S. Schartner, G. Strasser, and M. Helm
Intraexciton terahertz nonlinear optics in semiconductor quantum wells: sideband generation and AC Stark splitting
35th Int. Conf. on Infrared, Millimeter, and Terahertz Waves (IRMMW-THZ 2010), 05.-10.09.2010, Roma, Italy
IEEE conference proceedings, 978-1-4244-6657-3

back to top


2009

O. Drachenko, D. V. Kozlov, V. Ya. Aleshkin, V. I. Gavrilenko, K. V. Maremyanin, A. V. Ikonnikov, B. N. Zvonkov, M. Goiran, J. Leotin, G. Fasching, S. Winnerl, H. Schneider, J. Wosnitza, and M. Helm
High-field splitting of the cyclotron resonance absorption in strained p-InGaAs/GaAs quantum wells
Phys. Rev. B 79, 073301 (2009).

H. Schneider, H.C. Liu, S. Winnerl, C.Y. Song, O. Drachenko, M. Walther, J. Faist, and M. Helm
Quadratic detection with two-photon quantum well infrared photodetectors
Infrared Physics & Technology 52, 419 (2009).

H. Schneider, H. C. Liu, S. Winnerl, C. Y. Song, M. Walther, and M. Helm
Terahertz two-photon quantum well infrared photodetector
Opt. Express 17, 12279-12284 (2009).

D. Stehr, M. Wagner, H. Schneider, M. Helm, A. M. Andrews, T. Roch, and G. Strasser
Two color pump-probe studies of intraminiband relaxation in doped GaAs/AlGaAs superlattices
Proc. SPIE 7214, 72141N (2009).

G. Steiner, V. Sablinskas, W. Seidel, and R. Salzer
PM-IRRAS mapping of ultrathin molecular films with high spatial resolution

Anal. Bioanal. Chem. 395, 1641 (2009).

M. Wagner, H. Schneider, S. Winnerl, M. Helm, T. Roch, A. M. Andrews, S. Schartner and G. Strasser
Resonant enhancement of second order sideband generation for intra-excitonic transitions in GaAs/AlGaAs multiple quantum wells
Appl. Phys. Lett. 94, 241105 (2009).

E. A. Zibik, T. Grange, B. A. Carpenter, N. E. Porter, R. Ferreira, G. Bastard, D. Stehr, S.Winnerl, M. Helm, H. Y. Liu, M. S. Skolnick, and L. R. Wilson
Long lifetimes of quantum-dot intersublevel transitions in the terahertz range
Nature Materials 8, 803 - 807 (2009).

S. A. Zvyagin, M. Ozerov, E. Čižmár, D. Kamenskyi, S. Zherlitsyn, T. Herrmannsdörfer, J. Wosnitza, R. Wünsch, and W. Seidel
Terahertz-range free-electron laser electron spin resonance spectroscopy: Techniques and applications in high magnetic fields
Rev. Sci. Instrum. 80, 073102 (2009).

back to top


2008

S. C. Kehr, M. Cebula, O. Mieth, T. Härtling, J. Seidel, S. Grafström, L. M. Eng, S. Winnerl, D. Stehr, and M. Helm
Anisotropy Contrast in Phonon-Enhanced Apertureless Near-Field Microscopy Using a Free-Electron Laser
Phys. Rev. Lett. 100, 256403 (2008).

J.S. Lee, M. Gensch, K. Hinrichs, W. Seidel, and U. Schade
Determination of the polarization characteristics of the ELBE free electron laser
Infrared Physics & Technology 51, 537-540 (2008).

V. Sablinskas, J. Ceponkus, G. Steiner, and R. Salzer
Infrared spectroscopic imaging with high spatial resolution and high sensitivity
Proc. SPIE 6869, 68690X (2008).

H. Schneider, H. C. Liu, S. Winnerl, O. Drachenko, M. Helm, and J. Faist
Room-temperature mid-infrared two-photon photodetector
Appl. Phys. Lett. 93, 101114 (2008).

D. Stehr, M. Wagner, H. Schneider, M. Helm, A. M. Andrews, T. Roch, and G. Strasser
Two-color pump-probe studies of intraminiband relaxation in doped GaAs/AlGaAs superlattices
Appl. Phys. Lett. 92, 051104 (2008).

M. T. Wenzel, T. Härtling, P. Olk, S. C. Kehr, S. Grafström, S. Winnerl, M. Helm, and L. M. Eng
Gold nanoparticle tips for optical field confinement in infrared scattering near-field optical microscopy
Optics Express 16, 12302-12312 (2008).

J. Wosnitza, T. Herrmannsdorfer, Y. Skourski, S. Zherlitsyn, S. Zvyagin, O. Drachenko, H. Schneider and M. Helm
Science at the Dresden High Magnetic Field Laboratory
AIP Conference Proceedings 1003, 311(2008).

back to top


2007

H. Foerstendorf, W. Seidel, K. Heim, and G. Bernhard
Identification of actinide molecule complexes: A new vibrational spectroscopic approach at the free electron laser facility FELBE
J. Nucl. Mater. 366, 248 (2007).

T. Grange, E. A. Zibik, R. Ferreira, G. Bastard, B. A. Carpenter, P. J. Phillips, D. Stehr, S. Winnerl, M. Helm, M. J. Steer, M. Hopkinson, J. W. Cockburn, M. S. Skolnick, and L. R. Wilson
Singlet and Triplet Polaron Relaxation in Doubly Charged Self-Assembled Quantum Dots
New J. Phys. 9, 259 (2007).

H. Schneider, O. Drachenko, S. Winnerl, M. Helm, T. Maier, and M. Walther
Autocorrelation measurements of free-electron laser radiation using a two-photon QWIP
Infrared Physics & Technology 50, 95 (2007).

H. Schneider, O. Drachenko, S. Winnerl, M. Helm, and M. Walther
Autocorrelation measurements of the FELBE free-electron laser and photocurrent saturation study in two-photon QWIPs
Proc. SPIE 6471, 64710T (2007).

S. Schneider, J. Seidel, S. Grafström, L. M. Eng, S. Winnerl, D. Stehr, and M. Helm
Impact of optical in-plane anisotropy on near-field phonon polariton spectroscopy
Appl. Phys. Lett. 90, 143101 (2007).

D. Stehr, S. Winnerl, M. Helm, A. M. Andrews, T. Roch, and G. Strasser
Relaxation dynamics of interminiband transitions and electron cooling in doped GaAs/AlGaAs superlattices
AIP Conference Proceedings 893, 485 (2007).

S. Winnerl, D. Stehr, O. Drachenko, H. Schneider, M. Helm, W. Seidel, P. Michel, S. Schneider, J. Seidel, S. Grafström, L.-M. Eng, T. Roch, G. Strasser, T. Maier and M. Walther
FELBE Free-Electron Laser: Status and Application for Time Resolved Spectroscopy Experiments
Joint 31st International Conference on Infrared and Millimeter Waves and 14th International Conference on Terahertz Electronics ,18.-22.09.2006, Shanghai, Peoples Republic of China
IEEE Conference Proceedings,1-4244-0400-2, 159 (2007).

back to top


2006

H. Schneider, O. Drachenko, S. Winnerl, M. Helm, and M. Walther
Quadratic autocorrelation of free-electron laser radiation and photocurrent saturation in two-photon quantum well infrared photodetectors
Appl. Phys. Lett. 89, 133508 (2006).

D. Stehr, S. Winnerl, M. Helm, T. Dekorsy, T. Roch, and G. Strasser
Pump-probe spectroscopy of interminiband relaxation and electron cooling in doped superlattices
Appl. Phys. Lett. 88, 151108 (2006).

back to top