Hauptinhalt

Publikationen von Prof. Koch

2020

331) Exploring the potential of photoluminescence spectroscopy in combination with Nile Red staining for microplastics detection.
S. Konde, J. Ornik, J. Prume, J. Taiber and M. Koch
Marine Pollution Bulletin 159, 111475 (2020) [DOI]
330) An analysis of ancient ceramics using terahertz imaging and photogrammetry
M. Mikerov, R. Shrestha, P. van Dommelen, D.M. Mittleman, and M. Koch
Opt. Exp. 28, 22255 (2020) [DOI]
329) Terahertz beam steering using active diffraction grating fabricated by 3D printing
J.M. Seifert, G.H. Hernandez-Cardoso, M. Koch and E. Castro-Camus
Opt. Exp. 28, 21737 (2020) [DOI]
328) Removing water vapor lines from THz TDS data using neural networks
M. Mikerov, J. Ornik, and M. Koch
IEEE Trans. on THz Science and Techn. 10, 397 (2020) [DOI]
327) Investigating the layer structure and insect tunneling on a wooden putto using robotic-based THz tomography
E.-M. Stuebling, N.-A. Staats, B. Globisch, M. Schell, H. D. Portsteffen, and M. Koch
IEEE Trans. on THz Science and Techn., 10, 343 (2020) [DOI]
326) Quantification of microplastics: which parameters are essential for a reliable inter-study comparison?
T. Metz, M. Koch and P. Lenz
Marine Pollution Bulletin 157, 111330 (2020) [DOI]
325) Additive manufacture of photonic components for the terahertz band
E. Castro-Camus, M. Koch, and A.I. Hernandez-Serrano
J. Appl. Phys. 127, 210901 (2020) [DOI]
324) Direct probe of room-temperature quantum tunneling processes in type-II heterostructures using terahertz emission spectroscopy
M. Stein, C. Fuchs, W. Stolz, D.M. Mittleman, and M. Koch
Phys. Rev. Applied. 13, 054073 (2020) [DOI]
323) Trapping of ZnCl2 at bipyridyl-functionalized organotin sulfide clusters, and its effect on optical properties
E. Geringer, E. Leusmann, F. Tambornino, M. Gerhard, M. Koch, and S. Dehnen
Chem. Commun. 56, 4769 (2020) [DOI]
322) Free-standing complementary asymmetric metasurface for terahertz sensing applications
F. Taleb, I. Al-Naib and M. Koch
Sensors 20, 2265 (2020) [DOI]
321) Nonlinear refraction in CH3NH3PbBr3 single crystals
C. Kriso, M. Stein, T. Häger, N. Pourdavoud, M. Gerhard, A. Rahimi-Iman, T. Riedl, and M. Koch
Opt. Lett. 45, 2431 (2020) [DOI]
320) Terahertz-spectroscopy for non-destructive determination of crystallinity of L-tartaric acid in smartFilms® and tablets made from paper
J. Ornik, D. Knoth, M. Koch, C.M. Keck
Int. Journal of Pharmaceutics 581, 119253 (2020) [DOI]
319) Ultrafast THz Conductivity Dynamics of a Novel Fe-doped InGaAs Quantum Photoconductor
P.-H. Richter, E. Kartal, R. B. Kohlhaas, M. P. Semtsiv, M. Schell, W. T. Masselink, B. Globisch, and M. Koch
IEEE Trans. on THz Science and Techn. 10, 167 (2020) [DOI]
318) Strongly non-resonant four-wave mixing in semiconductors
W.-R. Hannes, A. Trautmann, M. Stein, F. Schäfer, M. Koch, and T. Meier
Phys. Rev. B 101, 075203 (2020) [DOI]
317) Could photoluminescence spectroscopy be an alternative technique for the detection of microplastics? First experiments using a 405 nm laser for excitation.
J. Ornik, S. Sommer, S. Gies, M. Weber; C. Lott, J.C. Balzer, and M. Koch
Applied Physics B, B 126, 15 (2020) [DOI]
316) Wavelength- and pump-power-dependent nonlinear refraction and absorption in a Semiconductor Disk Laser
C. Kriso, S. Kress, T. Munshi, M. Grossmann, R. Bek, M. Jetter, P. Michler, W. Stolz, M. Koch, and
A. Rahimi-Iman
IEEE Photonics Technology Letters, 32, 85 (2020) [DOI]
2019
315) The effect of humidity and temperature on dielectric fibre bound THz transmission
M. Taherkhani, R.A. Sadeghzadeh, J. Taiber, J. Ornik, and M. Koch
J. Infrared Milli Terahz Waves, 40, 1092 (2019) [DOI]
314) Monitoring fungus infestation of common beech wood using terahertz radiation
K. Krügener, J. Ornik, R. Jachim, B. Kietz, K. Petersen, D.M. Mittleman, M. Koch, and W. Viöl
Holzforschung, in press
313) Room-Temperature Stimulated Emission and Lasing in Recrystallized Cesium Lead Bromide Perovskite Thin Films
N. Pourdavoud, T. Haeger, A. Mayer, P.J. Cegielski, A.L. Giesecke, R. Heiderhoff, S. Olthof,
S. Zaefferer, I. Shutsko, A. Henkel, D. Becker-Koch, M. Stein, M. Cehovski, O. Char, H.-H. Johannes,
D. Rogalla, M.C. Lemme, M. Koch, Y. Vaynzof, K. Meerholz, W. Kowalsky, H.-C. Scheer, P. Görrn, and T. Riedl
Adv. Mater., 1903717 (2019) [DOI]
312) THz tomography for detecting damages on wood caused by insects
K. Krügener, E.-M. Stübling, R. Jachim, B. Kietz, M.Koch, and W. Viöl
Appl. Opt., 58, 6063 (2019) [DOI]
311) THz properties of typical woods important for European forestry
K. Krügener, S. Sommer, E. Stübling, R. Jachim, M. Koch and W. Viöl
J. Infrared Milli Terahz Waves, 40, 770 (2019) [DOI]
310) On the potential of THz time-domain spectroscopy to identify typical ancient Egyptian embalming materials
E. Stübling, L. Öhrström, P. Eppenberger, M. Habicht, F. Rühli, and M. Koch
J. Infrared Milli Terahz Waves, 40, 763 (2019) [DOI]
309) Microcavity-enhanced Kerr nonlinearity in a vertical-external-cavity surface-emitting laser
C. Kriso, S. Kress, T. Munshi, M. Großmann, R. Bek, M. Jetter, P. Michler, W. Stolz, M. Koch, and A. Rahimi-Iman
Opt. Exp., 27, 11914 (2019) [DOI]
308) Terahertz Time Domain Spectroscopy to Detect Different Oxidation Levels of Diesel Engine Oil
A.M. Abdul-Munaim, J. Ornik, M. Koch, D.G. Watson
Lubricants 7, 18 (2019) [DOI]
307) Application of a robotic THz imaging system for sub-surface analysis of ancient human remains
E. Stübling, A. Rehn, T. Siebrecht, Y. Bauckhage, L. Ohrstrom, P.Eppenberger, J.C. Balzer, F. Ruhli,and M. Koch
Scientific Reports 9, 3390 (2019) [DOI]
306) K2Hg2Te3 – Straightforward and Large-Scale Mercury-Flux Syn-thesis of a Small-Band-Gap Photoconducting Material
G. Thiele, P. Bron, S. Lippert, F. Nietschke, O. Oeckler, M. Koch, B. Roling, and S. Dehnen
Inorg. Chem. 58, 4052 (2019) [DOI]
305) 3D printed terahertz rectangular waveguides of polystyrene and TOPAS: a comparison
Rui Guo, Eva-Maria Stübling, Felipe Beltran-Mejia, David Ulm, Thomas Kleine-Ostmann, Frank Ehrig and Martin Koch
J Infrared Milli Terahz Waves 40, 1 (2019) [DOI]
304) Correlation of optical properties and interface morphology in type-II semiconductor heterostructures
Luise Rost, Sebastian Gies, Markus Stein, Christian Fuchs, Siegfried Nau, Pirmin Kükelhan, Kerstin Volz, Wolfgang Stolz, Martin Koch and Wolfram Heimbrodt
J. Phys.: Condens. Matter, 31, 014001 (2019) [DOI]
2018
303) Enhancing the performance of THz quasi time-domain spectroscopy systems by low duty cycle laser operation
Arno Rehn, Mikhail Mikerov, Sascha Preu, Martin Koch, and Jan. C. Balzer
Optics Express, 26, 32758 (2018) [DOI]
302) High quality terahertz glass wave plates
Jan Ornik, Leonie Gomell, Stefan F. Busch, Martin Hermans, and Martin Koch
Optics Express, 26, 32631 (2018) [DOI]
301) Outdoor Measurements of Leaf Water Content Using THz Quasi Time-Domain Spectroscopy
R. Gente, Arno Rehn, T. Probst, E.-M. Stübling, E. Castro-Camus, A.A. Covarrubias, J.C. Balzer, and M. Koch
J. Infrared Milli Terahz Waves, 39, 943 (2018) [DOI]
300) Enhanced absorption by linewidth narrowing in optically excited type-II semiconductor heterostructures
M. Stein, C. Lammers, M. J. Drexler, C. Fuchs, W. Stolz, and M. Koch
Phys. Rev. Lett., 121, 017401 (2018) [DOI]
299) THz properties of adhesives
E. Stübling, L. Gomell, S. Sommer, A. Winkel, M. Kahlmeyer, S. Böhm, and M. Koch
J. Infrared Milli Terahz Waves, 39, 586 (2018) [DOI]
298) 3D printed prisms with tunable dispersion for the THz frequency range
S.F. Busch, E. Castro-Camus, F. Beltran-Mejia, J.C. Balzer, M. Koch
J. Infrared Milli Terahz Waves, 39, 553 (2018) [DOI]
297) Exciton ionization by THz pulses in germanium
C. Lammers, M. Stein, J. Steiner, P.-H. Richter, S. Koch, M. Koch, M. Kira
J. Phys. B: At. Mol. Opt. Phys. 51, 154001 (2018) [DOI]
296) Dynamics of charge-transfer excitons in type-II semiconductor heterostructures
M. Stein, C. Lammers, P.-H. Richter, C. Fuchs, W. Stolz, M. Koch, O. Vänskä, M.J. Weseloh,
M. Kira, and S. W. Koch
Phys. Rev. B 97, 125306 (2018) [DOI]
295) Rhodium doped InGaAs: A superior ultrafast photoconductor
R.B. Kohlhaas, B. Globisch, S. Nellen, L. Liebermeister, M. Schell, P. Richter, M. Koch,
M.P. Semtsiv, and W. T. Masselink
Appl. Phys. Lett. 112, 102101 (2018) [DOI]
294) Terahertz Time-Domain Spectroscopy of Plasticized Poly(vinyl chloride)
S. Sommer, M. Koch, and A. Adams
Anal. Chem. 90, 2409 (2018) [DOI]
293) Digital Aerosol Jet Printing for the Fabrication of Terahertz Metamaterials
D. Jahn, R. Eckstein, L.M. Schneider, N. Born, G. Hernandez-Sosa, J.C. Balzer, U. Lemmer, M. Koch
Adv. Mater. Technol. 3, 1700236 (2018) [DOI]
2017
292) Impact of detuning on the performance of semiconductor disk lasers
F. Zhang, C. Möller, M. Koch, S.W. Koch, A. Rahimi-Iman, and W. Stolz
Appl. Phys. B, 123, 291 (2017) [DOI]
291) Self-mode-locked AlGaInP-VECSEL
R. Bek, M. Großmann, H. Kahle, M.Koch, A. Rahimi-Iman, M. Jetter, and P. Michler
Appl. Phys. Lett. 111, 182105 (2017) [DOI]
290) Communications with THz waves: switching data between two waveguides
J. Ma, M. Weidenbach, R. Guo, M. Koch and D. M. Mittleman
J. Infrared Milli Terahz Waves 38, 1316 (2017) [DOI]
289) Crystallization caught in the act with terahertz spectroscopy: non-classical pathway for L-(+)-tartaric acid
A. Soltani, D. Gebauer, L. Duschek, B.M. Fischer, H. Cölfen, and M. Koch
Chem. Eur. J. 23, 14128 (2017) [DOI]
288) Evidence for Anisotropic Electronic Coupling of Charge Transfer States in Weakly Interacting Organic
Semiconductor Mixtures
V. Belova, P. Beyer, E. Meister, T. Linderl, M.-U. Halbich, M. Gerhard, Marina; S. Schmidt, T. Zechel,
T. Meisel, A. Generalov, A.S. Anselmo, R. Scholz, O. Konovalov, A. Gerlach, M. Koch, A. Hinderhofer, A. Opitz, W. Brutting, F. Schreiber
J. Am. Chem. Soc. 139, 8474 (2017)[DOI]
287) Time-resolved photoluminescence spectroscopy of charge transfer states in blends of pentacene
and perfluoropentacene
K. Broch, M. Gerhard, M. Halbich, S. Lippert, V. Belova, M. Koch and F. Schreiber
Phys. Stat. Sol. RRL, 1700064 (2017) [DOI]
286) A THz Tomography System for Arbitrarily Shaped Samples
E. Stübling, Y. Bauckhage, E. Jelli, B. Fischer, B. Globisch, M. Schell, A. Heinrich, J.C. Balzer, M. Koch
J. Infrared Milli Terahz Waves 38, 1179 (2017) [DOI]
285) Terahertz Time-Domain Spectroscopy System Driven by a Monolithic Semiconductor Laser
K. Merghem, S.F. Busch, F. Lelarge, M. Koch, A. Ramdane, and J.C. Balzer
J. Infrared Milli Terahz Waves 38, 958 (2017) [DOI]
284) Non-destructive Analysis of Material Detachments from Polychromatically Glazed Terracotta Artwork by THz Time-of-Flight Spectroscopy
K. Krügener, S.F. Busch, A. Soltani, E. Castro-Camus, M. Koch, and W. Viöl
J. Infrared Milli Terahz Waves 38, 495 (2017) [DOI]
283) Fabry-Pérot interferometer for sensing polar liquids at terahertz frequencies
D. Jahn, A. Soltani, J.C. Balzer, W. Withayachumnankul, and M. Koch
J. Appl. Phys. 121, 204502 (2017) [DOI]
282) 3D Printed Terahertz Focusing Grating Couplers
D. Jahn, M. Weidenbach, J. Lehr, L. Becker, F. Beltrán-Mejía, S.F. Busch, J.C. Balzer, and M. Koch
J. Infrared Milli Terahz Waves 38, 708 (2017) [DOI]
281) Terahertz quasi time-domain spectroscopy based on telecom technology for 1550 nm
R.B. Kohlhaas, A. Rehn, S. Nellen, M. Koch, M. Schell, R.J.B. Dietz, and J.C. Balzer
Opt. Exp. 25, 12851 (2017) [DOI]
280) Field-induced exciton dissociation in PTB7-based organic solar cells
M. Gerhard, A.P. Arndt, M. Bilal, U. Lemmer, M. Koch, and I.A. Howard
Phys. Rev. B 95, 195301 (2017) [DOI]
279) Density-dependent exciton dynamics and L-valley anisotropy in germanium
M. Stein, C. Lammers, P. Springer, P.-H. Richter, S.W. Koch, M. Koch, and M. Kira
Phys. Rev. B 95, 155207 (2017) [DOI]
278) Extending the Alvarez-Lens Concept to Arbitrary Optical Devices:
Tunable Gratings, Lenses, and Spiral Phase Plates
S.F. Busch, J.C. Balzer, G. Bastian, G. Town, and M. Koch
IEEE Trans. on THz Science and Techn. 7, 320 (2017) [DOI]
277) Analytical theory for charge carrier recombination in blend organic solar cells
A.V. Nenashev, M. Wiemer, A.V. Dvurechenskii, L. V. Kulik, A.B. Pevtsov, F. Gebhard, M. Koch,
and S. D. Baranovskii
Phys. Rev. B 95, 104207 (2017) [DOI]
276) Identifying Charge-Transfer States in Polymer: Fullerene Heterojunctions by Their Emission
Polarization Anisotropy
A. Andreas, M. Gerhard, M. Koch, U. Lemmer, I. Howard
J. Phys. Chem C. 121, 6357 (2017) [DOI]
275) Periodic sampling errors in terahertz time-domain measurements
A. Rehn, D. Jahn, J.C. Balzer, and M. Koch
Opt. Exp. 25, 6712 (2017) [DOI]
274) The 2017 Terahertz Science and Technology Roadmap
S.S. Dhillon, M.S. Vitiello, E.H. Linfield, A.G. Davies, M.C. Hoffmann, J. Booske, C. Paoloni, M. Gensch, P. Weightman, G.P. Williams, E. Castro-Camus, D.R.S. Cumming, F. Simoens, I. Escorcia-Carranza, J. Grant, S. Lucyszyn, M. Kuwata-Gonokami, K. Konishi, M. Koch, C.A. Schmuttenmaer, T.L. Cocker, R. Huber, A.G. Markelz, Z.D. Taylor, V.P. Wallace, J.A. Zeitler, J. Sibik, T.M. Korter, B. Ellison, S. Rea, P. Goldsmith, K.B. Cooper, R. Appleby, D. Pardo, P.G. Huggard, V. Krozer, H. Shams, M. Fice, C. Renaud, A. Seeds, A. Stöhr, M. Naftaly, N. Ridler, R. Clarke, J.E. Cunningham and M.B. Johnston
J. Phys. D: Appl. Phys. 50, 043001 (2017) [DOI]
273) Measuring fibre orientation in sisal fibre-reinforced, injection moulded polypropylene – Pros and cons of the experimental methods to validate injection moulding simulation
K. Albrecht, E. Baur, H.-J. Endres, R. Gente, N. Graupner, M. Koch, M. Neudecker, T. Osswald, P. Schmidtke, S. Wartzack, K. Webelhaus, J. Müssig
Composites Part A: Applied Science and Manufacturing 95, 54 (2017) [DOI]
272) High accuracy terahertz time-domain system for reliable characterization of photoconducting antennas
O.M. Abdulmunem, N. Born, M. Mikulics, J.C. Balzer, M. Koch, S. Preu
Microwave and Optical Technology Letters 59, 468 (2017) [DOI]
271) Excitation dependence of the photoluminescence lineshape in Ga(NAsP)/GaP multiple quantum well: Experiment and Monte-Carlo simulation
V. Valkovskii, K. Shakfa, K. Jandieri, P. Ludewig, K. Volz, W. Stolz, M. Koch, S. Baranovskii
J. Phys D 50, 025105 (2017) [DOI]
270) Fundamental transverse mode operation of a type-II vertical-external-cavity surface- emitting laser
at 1.2 μm
C. Möller, F. Zhang, C. Fuchs, C. Berger, A. Rehn, A. Ruiz Perez, A. Rahimi-Iman, J. Hader, M. Koch,
J. V. Moloney, S. W. Koch, and W. Stolz
Elect. Lett. 53, 93 (2017) [DOI]
2016
269) Cure monitoring of two-component epoxy adhesives by terahertz time-domain spectroscopy
S. Sommer, T. Probst, E. Kraus, B. Baudrit, G.E. Town and M. Koch
Polym. Sci. Series B 58, 769 (2016) [DOI]
268) Band edge smearing due to compositional disorder in multi-component d-dimensional alloys
M. Wiemer, K. Jandieri, M. Koch, F. Gebhard, S. D. Baranovskii
Phys. Stat. Sol. 10, 911 (2016) [DOI]
267) Gain spectroscopy of a type-II VECSEL chip
C. Lammers, M. Stein, C. Berger, C. Möller, C. Fuchs, A. Ruiz Perez, A. Rahimi–Iman, J. Hader,
J. V. Moloney, W. Stolz, S. W. Koch, and M. Koch
Appl. Phys. Lett. 109, 232107 (2016) [DOI]
266) 3D printed dielectric rectangular waveguides, splitters and couplers for 120 GHz
M. Weidenbach, D. Jahn, A. Rehn, S.F. Busch, F. Beltrán-Mejía, J.C. Balzer, and M. Koch
Opt. Exp. 24, 28968 (2016) [DOI]
265) Quality Control of Sugar Beet Seeds with THz Time-Domain Spectroscopy
R. Gente, S. Busch, E.-M. Stübling, L.M. Schneider, C.B. Hirschmann, J.C. Balzer, and M. Koch
IEEE Trans. on THz Science and Techn, 6, 754 (2016) [DOI]
264) Development of a multi-channel time-to-space terahertz spectrometer
E.-M. Stübling, S. Busch, J.C. Balzer, and M. Koch
Opt. Exp. 24, 23146 (2016) [DOI]
263) Disorder-Induced Absorption of Far-infrared Waves by Acoustic Modes in Nematic Liquid Crystals
A. V. Nenashev, M. Wiemer, M. Koch A.V. Dvurechenskii, F. Gebhard, and S. D. Baranovski
J. Appl. Phys. 120, 074901 (2016) [DOI]
262) Why the apparent order of bimolecular recombination in blend organic solar cells can be larger than two: A topological consideration
V. Nenashev, M. Wiemer, A. V. Dvurechenskii, F. Gebhard, M. Koch, and S. D. Baranovskii
Appl. Phys. Lett 109, 033301 (2016) [DOI]
261) NOUF6 Revisited: A Comprehensive Study of a Hexafluoridouranate(V) Salt
B. Scheibe, S. Lippert, S.S. Rudel, M.R. Buchner, O. Burghaus, C. Pietzonka, M. Koch, A.J. Karttunen, F. Kraus
Chem. Eur. J. 22, 12145 (2016) [DOI]
260) Gate Tuning of Förster Resonance Energy Transfer in a Graphene - Quantum Dot FET Photo-Detector
R. Li, L.M. Schneider, W. Heimbrodt, H. Wu, M. Koch, and A. Rahimi-Iman
Sci. Rep. 6, 28224 (2016) [DOI]
259) Mode-Locked Semiconductor Disk Lasers
M.A. Gaafar, A. Rahimi-Iman, K.A. Fedorova, W. Stolz, E.U. Rafailov, and M. Koch
Adv. Opt. & Phot. 8, 370 (2016) [DOI]
258) THz ATR spectroscopy for inline monitoring of highly absorbing liquids
A. Soltani, S.F. Busch, P.Plew, J.C. Balzer, and M. Koch
J. Infrared Milli Terahz Waves 37, 1001 (2016) [DOI]
257) Highly sensitive terahertz dielectric sensor for low-volume liquid samples
A. Soltani, H. Neshasteh, A. Mataji-Kojouri, N. Born, E. Castro-Camus, M. Shahabadi, and M. Koch
Appl. Phys. Lett. 108, 191105 (2016) [DOI]
256) Fabrication of GRIN lenses for terahertz applications by three dimensional printing
A.I. Hernandez-Serrano, M. Weidenbach, S.F. Busch, M. Koch, and E. Castro-Camus
J. Opt. Soc. Am. B 33, 928 (2016) [DOI]
255) Influence of growth temperature and disorder on spectral and temporal properties of Ga(NAsP) heterostructures
R. Woscholski, S. Gies, M. Wiemer, M.K. Shakfa, A. Rahimi-Iman, P. Ludewig, S. Reinhard, K. Jandieri, S. D. Baranovskii, W. Heimbrodt, K. Volz, W. Stolz, and M. Koch

J. Appl. Phys. 119, 145707 (2016) [DOI]
254) Carrier dynamics in Ga(NAsP)/Si multi-quantum well heterostructures with varying well thickness
M.K. Shakfa, R. Woscholski, S. Gies, T. Wegele, M. Wiemer, P. Ludewig, K. Jandieri, S.D. Baranovskii,W. Stolz, K. Volz, W. Heimbrodt, M. Koch
Superlattices and Microstructures 93, 67 (2016) [DOI]
253) Terahertz Time-Domain Spectroscopy to Discriminate among Water Contamination Levels
in Diesel Engine Oil
A.M. Abdul-Munaim, M. Reuter, O.M. Abdulmunem, J.C. Balzer, M. Koch, D.G. Watson
Transactions of the ASABE 59, 795 (2016) [DOI]
252) Type-II VECSEL with Watt Level Output Powers at 1.2 µm
C. Möller, C. Fuchs, C. Berger, A. Ruiz Perez, M. Koch, J. Hader, J.V. Moloney, S.W. Koch, W. Stolz
Appl. Phys. Lett. 108, 071102 (2016)
251) THz spectroscopy across liquid crystalline phase transitions
M. Reuter, N. Vieweg, M. Koch, and I. Dierking
Appl. Phys. Lett. 108, 051908 (2016) [DOI]
250) On the Influence of Delay Line Uncertainty in THz Time-Domain Spectroscopy
D. Jahn, S. Lippert, M. Bisi, L. Oberto, J. C. Balzer, and M. Koch
J. Infrared Milli Terahz Waves 37, 605 (2016) [DOI]
249) Investigation of the beam quality of a terahertz emitting vertical-external-cavity surface-emitting laser
F. Zhang, S. Wang, A. Rehn, M. Wichmann, G. Urbasch, A. Rahimi-Iman, S.W. Koch, and M. Koch
J. Infrared Milli Terahz Waves, 37, 536 (2016) [DOI]
248) THz Optics 3D Printed with TOPAS
S.F. Busch, M. Weidenbach, J.C. Balzer, and M. Koch
J. Infrared Milli Terahz Waves 37,303 (2016) [DOI]
247) THz-Spectroscopy on High Density Polyethylene with Different Crystallinity
S. Sommer , T. Raidt , B.M. Fischer, F. Katzenberg, J.C. Tiller, and M. Koch
J. Infrared Milli Terahz Waves 37,189 (2016) [DOI]
246) Attenuated Total Reflection Terahertz Time-Domain Spectroscopy: Uncertainty Analysis and Reduction Scheme
A. Soltani, D. Jahn, L. Duschek, E. Castro-Camus, M. Koch, and W. Withayachumnankul
IEEE Trans. on THz Science and Techn. 6, 32 (2016) [DOI]
245) Dual-wavelength emission from a serially-connected two-chip VECSEL
F. Zhang, M. Gaafar, C. Möller, W. Stolz, M. Koch and A. Rahimi-Iman
IEEE Phot. Technol. Lett. 28, 927 (2016) [DOI]
2015
244) Broadband antireflection coating for optimized terahertz beam splitters
W. Lai, N. Born, L.M. Schneider, A. Rahimi-Iman, J.C. Balzer, M. Koch
Opt. Mat. Exp. 5, 2812 (2015) [DOI]
243) Temperature- and Energy-Dependent Separation of Charge-Transfer States in PTB7-Based Organic Solar Cells
M. Gerhard, A.P. Arndt, I.A. Howard, A. Rahimi-Iman, U. Lemmer and M. Koch
J. Phys. Chem C. 119, 28309 (2015) [DOI]
242) Efficient formation of excitons in a dense electron-hole plasma at room temperature
A. Hangleiter, Z. Jin, M. Gerhard, D. Kalincev, T. Langer, H. Bremers, U. Rossow, M. Koch,
M. Bonn, and D. Turchinovich
Phys. Rev. B 92, 241305(R) (2015) [DOI]
241) Switchable THz filter based on a Vanadium Dioxide layer inside a Fabry-Pérot cavity
N. Born, A. Crunteanu, G. Humbert, A. Bessaudou, M. Koch and B.M. Fischer
IEEE Trans. on THz Science and Techn. 5, 1035 (2015) [DOI]
240) Energy scale of compositional disorder in Ga(AsBi)
M.K. Shakfa, K. Jandieri, M. Wiemer, P. Ludewig, K. Volz, W. Stolz, S. Baranovskii, M. Koch
J. Phys. D: Appl. Phys 48, 425101 (2015) [DOI]
239) Terahertz meets sculptural and architectural art: Evaluation and conservation of stone objects with T-ray technology
K. Krügener, M. Schwerdtfeger, S. F. Busch, E. Castro-Camus, M. Koch, W. Viöl
Scientific Reports 5, 14842 (2015) [DOI]
238) A compact and low-cost THz QTDS system
T. Probst, A. Rehn, and M. Koch
Opt. Exp., 23, 21972 (2015) [DOI]
237) Anti-Phase Noise Dynamics in a Dual-Wavelength Vertical-External-Cavity Surface-Emitting Laser
M. Wichmann, G. Town, J. Quante, M. Gaafar, A. Rahimi-Iman, W. Stolz, S.W. Koch, and M. Koch
IEEE Phot. Techn. Lett., 27, 2039 (2015) [DOI]
236) Deterministic single-photon source with 143 MHz emission rate triggered by a mode-locked VECSEL
A. Schlehahn, M. Gaafar, M. Vaupel, M. Gschrey, P. Schnauber, J.-H. Schulze, S. Rodt, A. Strittmatter, W.Stolz, A. Rahimi-Iman, T. Heindel, M. Koch, and S. Reitzenstein
Appl. Phys. Lett., 107, 041105 (2015) [DOI]
235) Time-Resolved Charge-Transfer State Emission in Organic Solar Cells: Temperature and Blend Composition Dependences of Interfacial Traps
A. Arndt, M. Gerhard, A. Quintilla, I.A. Howard, M. Koch, U. Lemmer
J. Phys. Chem C. 119, 13516 (2015) [DOI]
234) Laser beam machined freestanding terahertz metamaterials
N. Born, R. Gente, I. Al-Naib and M. Koch
Electron. Lett. 51, 1012 (2015) [DOI]
233) K2Hg2Se3: Large-Scale Synthesis of a Photoconductor Material Prototype with a
Columnar Polyanionic Substructure
G. Thiele, S. Lippert, F. Fahrnbauer, P. Bron, O. Oeckler, A. Rahimi-Iman, M. Koch,
B. Roling, and S. Dehnen
Chem. Mater. 27, 4114 (2015) [DOI]
232) Distinguishing Gasoline Engine Oils of Different Viscosities using Terahertz Time-Domain Spectroscopy
A.M. Adbul-Munaim, M. Reuter, M. Koch, D.G. Watson
J. Infrared Milli Terahz Waves 36, 687 (2015) [DOI]
231) Monitoring the polymerization of two-component epoxy adhesives using a terahertz time domain reflection system
T. Probst, S. Sommer, A. Soltani, E. Kraus, B. Baudrit, G.E. Town, and M. Koch
J. Infrared Milli Terahz Waves 36, 569 (2015) [DOI]
230) Analysis of optical scattering losses in vertical-external-cavity surface-emitting lasers
D. Al Nakdali, M.K. Shakfa, B. Heinen, B. Kunert, W. Stolz, S.W. Koch, J. Hader, J.V. Moloney,
A. Rahimi-Iman, and M. Koch
Applied Physics B 120, 41 (2015) [DOI]
229) High-Power Operation of Quantum-Dot Semiconductor Disk Laser at 1180 nm
D. Al Nakdali, M. Gaafar, M.K. Shakfa, F. Zhang, M. Vaupel, K.A. Fedorova, A. Rahimi-Iman,
E.U. Rafailov, and M. Koch
IEEE Phot. Technol. Lett., 27, 1128 (2015) [DOI]
228) Monitoring leaf water content with THz and sub-THz waves
R. Gente and M. Koch
Plant Methods 11, 15 (2015) [DOI]
227) The Thermal Resistance of High Power Semiconductor Disk Lasers
B. Heinen, C. Möller, K. Jandieri, B. Kunert, M. Koch and W. Stolz
IEEE J. Quantum Electron. 51, 2400109 (2015) [DOI]
226) Terahertz metamaterials with ultrahigh angular sensitivity
N. Born, I. Al-Naib, C. Jansen, R. Singh, J.V. Moloney, M. Scheller, and M. Koch
Adv. Optical Mater. 3, 642 (2015) [DOI]
225) Focus free terahertz reflection imaging and tomography with Bessel beams
S.F. Busch, M. Scheller, G.E. Town, and M. Koch
J. Infrared Milli Terahz Waves 36, 318 (2015) [DOI]
224) Contactless water status measurements on plants at 35 GHz
R. Gente, A. Rehn, M. Koch
J. Infrared Milli Terahz Waves, 36, 312 (2015) [DOI]
223) Terahertz Plasmonic Bessel Beamformer
Y. Monnai, D. Jahn, W. Withayachumnankul, M. Koch, and H. Shinoda
Appl. Phys. Lett. 106, 021101 (2015) [DOI]
222) Thermal quenching of photoluminescence in Ga(AsBi)
M. K. Shakfa, M.. Wiemer, P. Ludewig, K. Jandieri, K. Volz, W. Stolz, S. D. Baranovskii, and M. Koch
J. Appl. Phys. 117, 025709 (2015) [DOI]
221) Low temperature grown photoconductive antennas for pulsed 1060 nm excitation: Influence of excess energy on the electron relaxation
R.J.B. Dietz, A. Brahm, A. Vellauthapillai, A. Wilms, C. Lammers, B. Globisch, M. Koch, G. Notni, A. Tünnermann, T. Göbel, and M. Schell
J. Infrared Milli Terahz Waves 36, 60 (2015) [DOI]
2014
220) Disturbing the Coherent Dynamics of an Excitonic Polarisation with strong THz fields
M.J. Drexler, R. Woscholski, S. Lippert, W. Stolz, A. Rahimi-Iman, and M.Koch
Phys. Rev. B 90, 195304 (2014) [DOI]
219) Self-Mode-Locking Semiconductor Disk Laser
M. Gaafar, P. Richter, H. Keskin, C. Möller, M. Wichmann, W. Stolz, A. Rahimi-Iman, and M. Koch
Opt. Exp. 22, 28390 (2014) [DOI]
218) Optical Properties of 3D Printable Plastics in the THz Regime and their Application for
3D Printed THz Optics
S.F.Busch, M. Weidenbach, M.Fey, F. Schäfer, T. Probst and M. Koch
J. Infrared Milli Terahz Waves 35, 993 (2014) [DOI]
217) Efficiency of Exciton Dissociation at Internal Organic Interfaces Beyond Harmonic Approximation
M. Wiemer, M. Koch, U. Lemmer, A. Pevtsov, and S. Baranovskii
Organic Electronics 15, 2461 (2014) [DOI]
216) High-Power Quantum-Dot Vertical-External-Cavity Surface-Emitting Laser Exceeding 8 W
D. Al Nakdali, M. K. Shakfa, M. Gaafar, M. Butkus, K. A. Fedorova, M. Zulonas, M. Wichmann, F. Zhang, B. Heinen, A. Rahimi-Iman, W. Stolz, E. U. Rafailov, and M. Koch
IEEE Phot. Technol. Lett. 26, 1561 (2014) [DOI]
215) Cost efficient delay generator for fast terahertz imaging
T. Probst, A. Rehn, S.F. Busch, S. Chatterjee, M. Koch, and M. Scheller
Opt. Lett. 39, 4863 (2014) [DOI]
214) Self-mode-locked quantum-dot vertical-external-cavity surface-emitting laser
M. Gaafar, D. Al Nakdali, C. Möller, K.A. Fedorova, M. Wichmann, M. Khaled Shakfa, F. Zhang,
A. Rahimi-Iman, E.U. Rafailov, and M. Koch
Opt. Lett. 39, 4623 (2014) [DOI]
213) Terahertz transceiver concept
S. Busch, T. Probst, M. Schwerdtfeger, R. Dietz, J. Palací, and M. Koch
Opt. Exp. 22, 16842 (2014) [DOI]
212) 23-Watts Single-Frequency Vertical-External-Cavity Surface-Emitting Laser
F. Zhang, B. Heinen, M. Wichmann, C. Möller, B. Kunert, A. Rahimi-Iman, W. Stolz, and M. Koch
Opt. Exp. 22, 12817 (2014) [DOI]
211) Interferometric characterization of a semiconductor disk laser driven terahertz source
M. Wichmann, M. Stein, A. Rahimi-Iman, S.W. Koch, and M. Koch
J. Infrared Milli Terahz Waves 35, 503 (2014) [DOI]
210) Excitation of multiple trapped-eigenmodes in terahertz metamolecule lattices
N. Born, I. Al-Naib, C. Jansen, T. Ozaki, R. Morandotti, and M. Koch
Appl. Phys. Lett. 104, 101107 (2014) [DOI]
209) Cavity Enhanced Terahertz Modulation
N. Born, M. Scheller, M. Koch, and J.V. Moloney
Appl. Phys. Lett. 104, 103508 (2014) [DOI]
208) Monitoring plant drought stress response using terahertz time-domain spectroscopy
N. Born, D. Behringer, S. Liepelt, S. Beyer, M. Schwerdtfeger, B. Ziegenhagen, and M. Koch
Plant physiology 164, 1571 (2014) [DOI]
207) Terahertz Absorption of Nematic Liquid Crystals
N. Vieweg, M.A. Celik, V. Gupta, S. Zakel, G. Frenking and M. Koch
J. Infrared Milli Terahz Waves 35, 478 (2014) [DOI]
206) Error from delay jitter in terahertz attenuated total reflection spectroscopy
A. Soltani, T. Probst, S. Busch, M. Schwerdtfeger, E. Castro-Camus, M. Koch
J. Infrared Milli Terahz Waves, 35, 468 (2014) [DOI]
205) Harmonic self-mode-locking of an optically pumped semiconductor disc laser
M. Gaafar, C. Möller, M. Wichmann, B. Heinen, B. Kunert, A. Rahimi-Iman, W. Stolz and M. Koch
Electronics Letters 50, 542 (2014) [DOI]
204) Field Exposure and Dosimetry in the THz Frequency Range
T. Kleine-Ostmann, C. Jastrow, K. Baaske, B. Heinen, M. Schwerdtfeger, U. Kärst, H. Hintzsche,
H. Stopper, M. Koch, and T. Schrader
IEEE Trans. on THz Science and Techn. 4, 12 (2014) [DOI]
2013
203) Evolution of multi-mode operation in vertical-external-cavity surface-emitting lasers
M. Wichmann, M.K. Shakfa, F. Zhang, B. Heinen, M. Scheller, A. Rahimi-Iman, W. Stolz, J.V. Moloney,
S.W. Koch, and M. Koch
Opt. Exp. 21, 31940 (2013) [DOI]
202) Quantitative study of localization effects and recombination dynamics
in GaAsBi/GaAs single quantum wells
M. K. Shakfa, D. Kalincev, X. Lu, R. Johnson, D.A. Beaton, T. Tiedje, A. Chernikov, S. Chatterjee,
and M. Koch
J. Appl. Phys. 144, 164306 (2013) [DOI]
201) Room temperature excitonic recombination in GaInN/GaN quantum wells
T. Langer, A. Chernikov, D. Kalincev, M. Gerhard, H. Bremers, U. Rossow, M. Koch, and A. Hangleiter
Appl. Phys. Lett. 103, 202106 (2013) [DOI]
200) The Fano resonance in symmetry broken terahertz metamaterials
R. Singh, I. Al-Naib, W. Cao, C. Rockstuhl, M. Koch, and W. Zhang
IEEE Trans. on THz Science and Techn. 3, 820 (2013) [DOI]
199) Novel THz Metamaterial Designs: From Near and Far Field Coupling to High Q Resonances
I. Al-Naib, C. Jansen, R. Singh, M. Walther, and Martin Koch
IEEE Trans. on THz Science and Techn. 3, 772 (2013) [DOI]
198) 64 µW pulsed THz emission from growth optimized InGaAs/InAlAs heterostructures with separated photoconductive and trapping regions
R.J.B. Dietz, B. Globisch, M. Gerhard, A. Velauthapillai, D. Stanze, H. Roehle, M. Koch, T. Göbel,
and M. Schell
Appl. Phys. Lett. 103, 061103 (2013) [DOI]
197) Terahertz Waveguide Prism
C. Goy, M. Scheller, B. Scherger, V.P. Wallace, and M. Koch
Opt. Exp. 21, 19292 (2013) [DOI]
196) Terahertz and optical properties of nematic mixtures composed of liquid crystal isothiocyanates,
fluorides and cyanides
M. Reuter, K. Garbat, N. Vieweg, B.M. Fischer, R. Dabrowski, M. Koch, J. Dziaduszeka, and S. Urban
J. Mater. Chem. C 1, 4457 (2013) [DOI]
195) Highly birefringent, low-loss liquid crystals for THz applications
M. Reuter, N.Vieweg, B. M. Fischer, M. Mikulicz, M. Koch, K.Garbat, and R. Dabrowski
APL Materials 1, 012107 (2013) [DOI]
194) Terahertz Plastic Compound Lenses
M. Wichmann, A.S. Mondo, N. Kocic, S. Lippert, T. Probst, M. Schwerdtfeger, S. Schumann,
T. Hochrein, P. Heidemeyer, M. Bastian, G. Bastian and M. Koch
Appl. Opt. 52, 4186 (2013) [DOI]
193) Terahertz Reflection Gratings Made by Room-Temperature High-Pressure Molding
S.F. Busch, N. Born, M. Koch, B. Fischer
J. Infrared Milli Terahz Waves, 34, 413 (2013) [DOI]
192) Terahertz spectroscopy for rubber production testing
O. Peters, M. Schwerdtfeger, S. Wietzke, S. Sostmann, R. Scheunemann, R. Wilk, R. Holzwarth,
M. Koch, B.M. Fischer
Polymer Testing 32, 932 (2013) [DOI]
191) Investigating material characteristics and morphology of polymers using terahertz technologies
B.M. Fischer, S. Wietzke, M. Reuter, O. Peters, R. Gente, C. Jansen, N. Vieweg and M. Koch
IEEE Trans. on THz Science and Techn. 3, 259 (2013) [DOI]
190) Polymer stabilized liquid crystal phase shifter for terahertz waves
K. Altmann, M. Reuter, K. Garbat, M. Koch, R. Dabrowski, I. Dierking
Opt. Exp. 21, 12395 (2013) [DOI]
189) Changes in the Structural Dimensionality of Selenidostannates in Ionic Liquids: Formation, Structures, Stability and Photoconductivity
Y. Lin, D. Xie, W. Massa, L. Mayrhofer, S. Lippert, B. Ewers, A. Chernikov, M. Koch, and S. Dehnen
Chem. Eur. J., 19, 8806 (2013) [DOI]
188) On the measurement of the thermal impedance in vertical-external-cavity surface-emitting lasers
J. Hader, T.-L. Wang, J. V. Moloney, B. Heinen, M. Koch, S.W. Koch, B. Kunert, and W. Stolz
J. Appl. Phys. 113, 153102 (2013) [DOI]
187) Determination of Leaf Water Content from Terahertz Time-Domain Spectroscopic Data
R. Gente, N. Born, N. Voß, W. Sannemann, J. Leon, M. Koch, E. Castro-Camus
J. Infrared Milli Terahz Waves 34, 316 (2013) [DOI]
186) Low temperature grown Be-doped InGaAs/InAlAs photoconductive antennas excited at 1030 nm
R.J.B. Dietz, R.Wilk, B. Globisch, H. Roehle, D. Stanze, S. Ullrich, S. Schumann, N. Born, M. Koch,
B. Sartorius and M. Schell
J. Infrared Milli Terahz Waves 34, 231 (2013) [DOI]
185) Observation of Forbidden Exciton Transitions Mediated by Coulomb Interactions in Photoexcited Semiconductor Quantum Wells
W.D. Rice, J. Kono, S. Zybell, S. Winner, 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
Phys. Rev. Lett. 110, 137404 (2013) [DOI]
184) In(SAr)3 as a building block for 3D and helical coordination polymers
J. Heine, M. Hołyńska, M. Reuter, B. Haas, S. Chatterjee, M. Koch, K. Gries, K. Volz, S. Dehnen
Cryst. Growth Des. 13, 1252 (2013) [DOI]
183) Terahertz Parallel-Plate Ladder Waveguide with Highly Confined Guided Modes
M. Ahmadi-Boroujeni, K. Altmann, B. Scherger, C. Jansen, M. Shahabadi, and M. Koch
IEEE Trans. on THz Science and Techn. 3, 87 (2013) [DOI]
182) High-Q terahertz bandpass filters based on coherently interfering metasurface reflections
N. Born, M. Reuter, M. Koch, and M. Scheller
Optics Letters 38, 908 (2013) [DOI]
181) Beating the wavelength limit: three-dimensional imaging of buried subwavelength fractures in sculpture and construction materials by terahertz time-domain reflection spectroscopy
M. Schwerdtfeger, E. Castro-Camus, K. Krügener, W. Viöl, and M. Koch
Applied Optics 52, 375 (2013) [DOI]
180) Probing carrier populations in ZnO quantum wells by screening of the internal electric fields
A. Chernikov, S. Schäfer, M. Koch, S. Chatterjee, B. Laumer, and M. Eickhoff
Phys. Rev. B 87, 035309 (2013) [DOI]
179) Photoluminescence study of (GaIn)As/(AlIn)As-based THz antenna materials for 1.55µm excitation
T. Jung, R. Dietz, A. Chernikov, F. Kuik, B. Sartorius, M. Schell, M. Koch, and S. Chatterjee
J. Jumin. Lett., 138, 179 (2013) [DOI]
178) Terahertz radiation at 0.380 THz and 2.520 THz does not lead to DNA damage in skin cells in vitro
H. Hintzsche, C. Jastrow, B. Heinen, K. Baaske, T. Kleine-Ostmann, M. Schwerdtfeger, M.K. Shakfa,
U. Kärst, M. Koch, T. Schrader, H. Stopper
Radiation Research, 179, 38 (2013) [DOI]
177) Terahertz beam steering and variable focusing using programmable diffraction gratings
Y. Monnai, K. Altmann, C. Jansen, H. Hillmer, M. Koch, and H. Shinoda
Opt. Exp. 21, 2347 (2013) [DOI]
2012
176) Ultrabroadband terahertz spectroscopy of a liquid crystal
N. Vieweg, B.M. Fischer, M. Reuter, P. Kula, R. Dabrowski, M.A. Celik, G. Frenking, M. Koch,
and P. U. Jepsen
Opt. Exp. 20, 28249 (2012) [DOI]
175) Energy scaling of compositional disorder in Ga(N,P,As)/GaP quantum well structures
K. Jandieri, M.K. Shakfa, S. Liebich, M. Zimprich, B. Kunert, C. Karcher, A. Chernikov, K. Volz,
W. Stolz, M. Koch, S. Chatterjee, W. Heimbrodt, F. Gebhard, and S.D. Baranovski
Phys. Rev. B 86, 125318 (2012) [DOI]
174) A Fast Degrading Odd-Odd Aliphatic Polyester-5,7 made by Condensation Polymerization for
Biomedical Applications
F. Chen, J.M. Nölle, S. Wietzke, M. Reuter, S. Chatterjee, M. Koch, and S. Agarwal
J. Biomaterials Science 23, 1539 (2012) [DOI]
173) Determination of the carbon nanotube concentration and homogeneity in resin films by THz spectroscopy and imaging
O. Peters, S.F. Busch, B. M. Fischer, M. Koch
J. Infrared Milli Terahz Waves 33, 1221 (2012) [DOI]
172) Discrete Terahertz Beam Steering with an Electrically Controlled Liquid Crystal Device
B. Scherger, M. Reuter, M. Scheller, K. Altmann, N. Vieweg, R. Dabrowski, J.A. Deibel and M. Koch
J. Infrared Milli Terahz Waves 33, 1117 (2012) [DOI]
171) Quantum design strategy pushes high-power vertical-external-cavity surface-emitting
lasers beyond 100W
T. L. Wang, B. Heinen, J. Hader, C. Dineen, M. Sparenberg, A. Weber, B. Kunert, S.W. Koch,
J. V. Moloney, M. Koch and W. Stolz
Laser & Photonics Review 6, L12 (2012) [DOI]
170) Terahertz time-domain spectroscopy for monitoring the curing of dental composites
M. Schwerdtfeger, S. Lippert, M. Koch, A. Berg, S. Katletz, and K. Wiesauer
Biomed. Opt. Express 3, 2842 (2012) [DOI]
169) Terahertz beam focusing based on plasmonic waveguide scattering
Y. Monnai, K. Altmann, C. Jansen, M. Koch, H. Hillmer, and H. Shinoda
Appl. Phys. Lett. 101, 151116 (2012) [DOI]
168) Polarization Sensitive Terahertz Imaging Detection of Birefringence and Optical Axis
S. Katletz, M. Pfleger, H. Pühringer, M. Mikulics, N. Vieweg, O. Peters, B. Scherger, M. Scheller,
M. Koch and K. Wiesauer
Optics Express 21, 23025 (2012) [DOI]
167) Compression Molded Terahertz Transmission Blaze-Grating
B. Scherger, N. Born, C. Jansen, S. Schumann, M. Koch, and K. Wiesauer
IEEE Trans. on THz Science and Techn. 2, 556 (2012) [DOI]
166) Optical signatures of nitrogen acceptors in ZnO
S. Lautenschlaeger, S. Eisermann, G. Haas, E. A. Zolnowski, M.N. Hofmann, A. Laufer, M. Pinnisch, B. K. Meyer, M. R. Wagner, J. S. Reparaz, G. Callsen, A. Hoffmann, A. Chernikov,   S. Chatterjee, V. Bornwasser, and M. Koch
Phys. Rev. B 85, 235204 (2012) [DOI]
165) Carrier-phonon coupling in GaAs1−xBix/GaAs quantum wells
A. Chernikov, V. Bornwasser, M. Koch, S.W. Koch, X. Lu, S.R. Johnson, D.A. Beaton,
T. Tiedje, and S. Chatterjee
Semicond. Sci. Technol. 27, 085012 (2012) [DOI]
164) Spectrum to Space Transformed Fast Terahertz Imaging
S. Schumann, C. Jansen, M. Schwerdtfeger, S. Busch, O. Peters, M. Scheller and M. Koch
Opt. Exp. 20, 19200 (2012) [DOI]
163) Scaled bistatic radar cross section measurements of aircraft with a fiber-coupled
THz time domain spectrometer
R. Gente, C. Jansen, R. Geise, O. Peters, M. Gente, N. Krumbholz, C. Möller, S. Busch, M. Koch
IEEE Trans. on THz Science and Techn. 2, 424 (2012) [DOI]
162) On the measurement of the thermal resistance of vertical-external-cavity surface-emitting lasers
(VECSEL)
B. Heinen, F. Zhang, M. Sparenberg, B. Kunert, M. Koch, and W. Stolz
IEEE J. Quantum Electron, 48, 934 (2012) [DOI]
161) 106 W continuous wave output power from a vertical-external-cavity surface-emitting laser (VECSEL)
B. Heinen, T. L. Wang, M. Sparenberg, A. Weber, B. Kunert, J. Hader, S. W. Koch, J. V. Moloney,
M. Koch and W. Stolz
IET Electronics Letters 48, 516, (2012) [DOI]
160) Electrically Tunable Terahertz Filters
N. Vieweg, N.Born, I. Al Naib, M. Koch
J. Infrared Milli Terahz Waves 33, 327 (2012) [DOI]
159) Optically gated tunable terahertz filters
S.F. Busch, S. Schumann, C. Jansen, M. Scheller, M. Koch, and B.M. Fischer
Appl. Phys. Lett. 100, 261109 (2012) [DOI]
158) Polymeric THz 2D Photonic Crystal Filters Fabricated by Fiber Drawing
M. Stecher, C. Jansen, M. Ahmadi-Boroujeni, R. Lwin, A. Stefani, M. Koch, and G. E. Town
IEEE Trans. on THz Science and Techn. 2, 203 (2012) [DOI]
157) Optically Controlled Terahertz Beam Steering and Imaging
S. Busch, B. Scherger, M. Scheller, and M. Koch
Optics Letters 37, 1391 (2012) [DOI]
156) Ionization of coherent excitons by strong terahertz fields
B. Ewers, N. S. Köster, R. Woscholski, M. Koch, and S. Chatterjee, G. Khitrova and H. M. Gibbs, A. C. Klettke, M. Kira, and S. W. Koch
Phys. Rev. B 85, 075307 (2012) [DOI]
155) Time-dynamics of the two-color emission from vertical-external-cavity surface-emitting lasers
A. Chernikov, M. Wichmann, M. K. Shakfa, M. Scheller, J. V. Moloney, S. W. Koch, and M. Koch
Appl. Phys. Lett. 100, 041114 (2012) [DOI]
154) Phonon-assisted luminescence in polar semiconductors - Fröhlich coupling versus
deformation potential scattering
A. Chernikov, V. Bornwasser, M.Koch, S. Chatterjee, C. N. Bötge, T. Feldtmann, M. Kira, S.W. Koch,
T. Wassner, S. Lautenschläger, B.K. Meyer, and M. Eickhoff
Phys. Rev. B 85, 035201 (2012) [DOI]
153) Versatile Spectrally Shapeable Multi-Mode Terahertz System
M. Scheller, M.Stecher, M.Gerhard, and M. Koch
Appl. Phys. B 106, 81 (2012) [DOI]
152) Single Sampling Point Detection of Frequency Modulated Terahertz Waves
M. Scheller, T. Kinder, O. Peters, T. Müller-Wirts, M. Koch
J. Infrared Milli Terahz Waves 33, 36 (2012) [DOI]
2011
151) Molecular Terahertz Polarizability of PCH5,PCH7 and 5OCB
N. Vieweg, M.K. Shakfa, and M.Koch
J. Infrared Milli Terahz Waves 32, 1367 (2011) [DOI]
150) Intra-excitonic relaxation dynamics in bulk ZnO
A. Chernikov, M. Koch, B. Laumer, M. Eickhoff, S. W. Koch, and S. Chatterjee
Appl. Phys. Lett. 99, 231910 (2011) [DOI]
149) Terahertz Spectroscopy on Polymers: A Review of Morphological Studies
S. Wietzke, C. Jansen, M. Reuter, T. Jung, D. Kraft, S. Chatterjee, B.M. Fischer, M. Koch
Journal of Molecular Structure 1006, 41 (2011) [DOI]
148) Introducing Terahertz Technology into Plant Biology: A Novel Method to Monitor Changes
in Leaf Water Status
B. Breitenstein, M. Scheller, M.K. Shakfa, T. Kinder, T. Müller-Wirts, M. Koch, D. Selmar
Journal of Applied Botany and Food Quality 84, 158 (2011) [DOI]
147) Diffuse Scattering from Rough Surfaces in THz Communication Channels
C. Jansen, S. Priebe, C. Möller, M. Jacob, H. Dierke, M. Koch, T. Kürner
IEEE Trans. on THz Science and Techn. 1, 462 (2011) [DOI]
146) Exciton confinement in homo- and heteroepitaxial ZnO/Zn1−xMgxO quantum wells with x < 0.1
B. Laumer, T.A. Wassner, F. Schuster, M. Stutzmann, J. Schörmann, M. Rohnke, A. Chernikov,
V. Bornwasser, M. Koch, S. Chatterjee, and M. Eickhoff
J. Appl. Phys. 110, 093513 (2011) [DOI]
145) THz generation at 1.55 µm excitation: six-fold increase in THz conversion efficiency by separated photoconductive and trapping regions
R.J.B. Dietz, M. Gerhard, D. Stanze, M. Koch, B. Sartorius, and M. Schell
Optics Express 19, 25911 (2011) [DOI]
144) Terahertz Brewster Lenses
M. Wichmann, B. Scherger, S. Schumann, S. Lippert, M. Scheller, S.F. Busch, C. Jansen, and M. Koch
Optics Express 19, 25151 (2011) [DOI]
143) Paper terahertz wave plate
B. Scherger, M. Scheller, N. Vieweg, S.T. Cundiff, and M. Koch
Optics Express 19, 24884 (2011) [DOI]
142) Efficient Terahertz En-face Imaging
S. Katletz, M. Pfleger, H. Pühringer, N. Vieweg, B. Scherger, B. Heinen, M. Koch,
and K. Wiesauer
Optics Express 19, 23042 (2011) [DOI]
141) Luminescence Dynamics in Ga(AsBi)
S.Imhof, C. Wagner, A. Thränhardt, A. Chernikov, M. Koch, N.Köster, S. Chatterjee, S. W. Koch, O. Rubel, X. Lu, S.R. Johnson, D.A. Beaton, and T. Tiedje
Appl. Phys. Lett. 98, 161104 (2011) [DOI]
140) Analyzing Morphology and Thermal History of Polybutylene Terephthalate by THz Time-domain Spectroscopy
S. Wietzke, M. Reuter, N. Nestle, E. Klimov, U. Zadok, B.M. Fischer, and M. Koch
J. Infrared Milli Terahz Waves, 32, 952 (2011) [DOI]
139) Characterization of Micro-Powders for the Fabrication of Compression Molded THz Lenses
B. Scherger, S. Wietzke, M. Scheller, N. Vieweg, M. Wichmann, M. Koch, and K. Wiesauer
J. Infrared Milli Terahz Waves, 32, 943 (2011) [DOI]
138) OSCAT: Novel technique for time-resolved experiments without moveable optical delay lines
R. Wilk, T. Hochrein, M. Koch, M. Mei and R. Holzwarth
J. Infrared Milli Terahz Waves 32, 596 (2011) [DOI]
137) THz lenses made by compression molding of micro-powders
B. Scherger, M. Scheller, C. Jansen, M. Koch, and K. Wiesauer
Appl. Opt. 50, 2256 (2011) [DOI]
136) Terahertz Quasi Time Domain Spectroscopy Imaging
M. Scheller, S. Dürrschmidt, M. Stecher, and M. Koch
Appl. Opt. 50, 1884 (2011) [DOI]
135) Sharp Fano resonances in THz metamaterials
R. Singh, I.A.I. Al-Naib, M. Koch, and Weili Zhang
Opt. Exp. 19, 6312 (2011) [DOI]
134) Polarization and Angle Independent Terahertz Metamaterials with High Q-factors
I. A. I. Al-Naib, C. Jansen, N. Born, and M. Koch
Appl. Phys. Lett. 98, 091107 (2011) [DOI]
133) Heat management in high-power vertical-external-cavity surface-emitting lasers
A. Chernikov, J. Herrmann, M. Koch, B. Kunert, W. Stolz, S. Chatterjee, S. W. Koch, T.-L. Wang,
Y. Kaneda, J.M. Yarborough, J. Hader, and J.V. Moloney
IEEE Journal Select. Topics Quant. Electronics 14, 289 (2011) [DOI]
132) THz spectrometer operation by laser repetition frequency tuning
R. Wilk, T Hochrein, M Koch, M. Mei, R. Holzwarth
J. Opt. Soc. Am. B 28, 592 (2011) [DOI]
131) Variable-focus terahertz lens
B. Scherger, C. Jördens, and M.Koch
Opt. Exp.19, 4528 (2011) [DOI]
130) Terahertz metasurfaces with high Q-factors
C. Jansen, I.A.I. Al-Naib, N. Born, and M. Koch
Appl. Phys. Lett, 98, 051109 (2011) [DOI]
129) Terahertz Spectroscopy on Adhesive Bonds
C. Jansen, S. Wietzke, H. Wang, M. Koch, G. Zhao
Polymer Testing 30, 150 (2011) [DOI]
128) BL037: a nematic mixture with high terahertz birefringence
N. Vieweg, M.K. Shakfah, and M. Koch
Opt. Comm. 284, 1887 (2011) [DOI]
127) Terahertz spectroscopy and imaging – Modern techniques and applications (invited article)
P.Jepsen, D. G. Cooke, and M.Koch
Laser & Photonics Review 5, 124 (2011) [DOI]
126) Degree of Dispersion of Polymeric Compounds determined with Terahertz Time-Domain Spectroscopy
N. Krumbholz, T. Hochrein, N. Vieweg, I. Radovanovic, I. Pupeza, M. Schubert, K. Kretschmer,
M. Koch
Polym. Eng. & Science 51, 109 (2011) [DOI]
125) Evidence of two disorder scales in Ga(AsBi)
S.Imhof, A. Thränhard, A. Chernikov, M. Koch, K. Kolata, N.S. Köster, S. Chatterjee, S.W. Koch, X. Lu, S.R. Johnson, D.A. Beaton, T. Tiedje, and O. Rubel
Phys. Stat. Sol. B, 248, 851 (2011) [DOI]
2010
124) Room temperature continuous wave milliwatt terahertz Source
M. Scheller, J.M. Yarborough, J.V. Moloney, M. Fallahi, M. Koch, and S.W. Koch
Opt. Exp.18, 27112 (2010) [DOI]
123) Compact diode laser based system for continuous wave and quasi time domain THz spectroscopy
C. Brenner, M. Hofmann, M. Scheller, M.K. Shakfa, M. Koch, I.C. Mayorga, A. Klehr, G. Erbert, and
G. Tränkle
Opt. Lett. 35, 3859 (2010) [DOI]
122) THz properties of nematic liquid crystals
N. Vieweg, M.K. Shakfa, B. Scherger, M. Mikulics,and M. Koch
J. Infrared Milli Terahz Waves 31, 1312 (2010) [DOI]
121) Terahertz Properties of Liquid Crystals with Negative Dielectric Anisotropy
N. Vieweg and M. Koch
Appl. Opt. 49, 5764 (2010) [DOI]
120) Influence of the spatial pump distribution on the performance of high-power vertical-external-cavity surface-emitting lasers
A. Chernikov, J. Herrmann, M. Scheller, M. Koch, B. Kunert, W. Stolz, S. Chatterjee, S. W. Koch,
T. L. Wang, Y. Kaneda, J. M. Yarborough, J. Hader, and J. V. Moloney
Appl. Phys. Lett, 97, 191110 (2010) [DOI]
119) Single Metal Layer CPW Metamaterial Bandpass Filter
I.A.I. Al-Naib, C. Jansen, and M. Koch
Progress In Electromagnetics Research Letters, 17, 153 (2010) [DOI]
118) Highly Miniaturized Single Metal Layer CPW Bandstop Filters Based on Spiral Resonators
I.A.I. Al-Naib and M. Koch
Elect. Lett, 46, 1274 (2010) [DOI]
117) Carrier dynamics in Zn1-xMgxO investigated by time-resolved photoluminescence
A. Chernikov, S. Horst, M. Koch, K. Volz, S. Chatterjee, S.W. Koch, T.A. Wassner, B. Laumer, and
M. Eickhoff
J. Lumin. 130, 2256 (2010) [DOI]
116) Time-resolved phonon-sideband spectroscopy
A. Chernikov, T. Feldtmann, S. Chatterjee, M. Koch, M. Kira, and S.W. Koch
Solid State Communications, 150, 1733 (2010) [DOI]
115) Coplanar Waveguides Incorporating SRRs or CSRRs
I.A.I. Al-Naib and M. Koch
Progress In Electromagnetics Research B 23, 343 (2010) [DOI]
114) Hybrid Continuous Wave Terahertz Spectroscopy
M.Scheller, M. Stecher, M. Gerhard, M. Koch
Opt. Exp. 18, 15887 (2010) [DOI]
113) Thermo-morphological study of the terahertz lattice modes in polyvinylidene fluoride
and high-density polyethylene
S. Wietzke, C. Jansen, M. Reuter, T. Jung, J. Hehl, D. Kraft, S. Chatterjee, A. Greiner, and M. Koch
Appl. Phys. Lett., 97, 022901 (2010) [DOI]
112) Asymmetric planar terahertz metamaterials
R. Singh, I.A.I. Al-Naib, M. Koch, and W. Zhang
Opt. Exp. 18, 13044 (2010) [DOI]
111) Terahertz form birefringence
M. Scheller, C.Jördens, and M. Koch
Opt. Exp. 18, 10137 (2010) [DOI]
110) Terahertz Imaging: Applications and Perspectives
C. Jansen, S. Wietzke, O. Peters, M. Scheller, N. Vieweg, M. Salhi, N. Krumbholz, C. Jördens,
T. Hochrein, M. Koch
Appl. Opt. 49, E14 (2010) [DOI]
109) Multi-Frequency Continuous Wave Terahertz Spectroscopy for Absolute Thickness Determination
M. Scheller, K. Baaske, and M. Koch
Appl. Phys. Lett., 96, 151112 (2010) [DOI]
108) Clustering Effects in Ga(AsBi)
S. Imhof, A. Thränhardt, A. Chernikov, M. Koch, N.S. Köster, S. Chatterjee, S. W. Koch, X. Lu,
S.R. Johnson, D.A. Beaton, T. Tiedje, and O. Rubel
Appl. Phys. Lett., 96, 131115 (2010) [DOI]
107) Mechanically Flexible Polymeric Compound 1D Photonic Crystals for Terahertz Frequencies
C. Jansen, S. Wietzke, V. Astley, D. Mittleman, and M. Koch
Appl. Phys. Lett. 96, 111108 (2010) [DOI]
106) Investigation of the water absorption in polyamide and wood plastic composite by terahertz time-domain spectroscopy
C. Jördens, S. Wietzke, M. Scheller, and M. Koch
Polymer Testing 29, 209 (2010) [DOI]
105) Molecular properties of liquid crystals in the terahertz frequency range
N. Vieweg, C. Jansen, M.K. Shakfa, M. Scheller, N. Krumbholz, R. Wilk, M. Mikulics, and M.Koch
Opt. Exp. 18, 6097 (2010) [DOI]
104) Optical sampling by laser cavity tuning
T. Hochrein, R. Wilk, M. Mei, R. Holzwarth, N. Krumbholz, M. Koch
Opt. Exp. 18, 1613 (2010) [DOI]
103) Terahertz spectroscopy to study the orientation of glass fibres in reinforced plastics
C. Jördens, M. Scheller, S. Wietzke, D. Romeike, C. Jansen, T. Zentgraf, K. Wiesauer, V. Reisecker,
and M. Koch
Compos. Sci. Technol. 70, 472 (2010) [DOI]
102) Confocal THz laser microscope
M. Salhi, I. Pupeza, and M. Koch
J. Infrared Milli Terahz Waves, 31, 358 (2010) [DOI]
101) Dielectric fibres and splitters for millimeter waves
C. Jördens, K. L. Chee, I. A. I. Al-Naib, I. Pupeza S. Peik, G. Wenke, and M. Koch
J. Infrared Milli Terahz Waves 31, 214 (2010) [DOI]
2009
100) Terahertz time-domain spectroscopy as a tool to monitor the glass transition in polymers
S. Wietzke, C. Jansen, T. Jung, M. Reuter, B. Baudrit, M. Bastian, S. Chatterjee, M. Koch
Opt. Exp. 17, 19006 (2009) [DOI]
99) Terahertz quasi time domain spectroscopy
M. Scheller and M.Koch
Opt. Exp. 17, 17723 (2009) [DOI]
98) Evaluation of the Leaf Water Status by means of the Permittivity at Terahertz Frequencies
C. Jördens, M. Scheller, B. Breitenstein, D. Selmar, and M. Koch
J. Biol. Phys, 35, 255 (2009) [DOI]
97) THz Spectroscopy of liquid crystals from the CB family
R. Wilk, N. Vieweg, O. Kopschinski , T. Hasek and M. Koch
J. Infrared Milli Terahz Waves 30, 1139 (2009) [DOI]
96) Liquid crystal based electrically switchable Bragg structure for THz waves
R. Wilk, N. Vieweg, O. Kopschinski, and M. Koch
Opt. Exp. 17, 7377 (2009) [DOI]
95) Fast and accurate thickness determination of unknown materials using terahertz
time domain spectroscopy
M. Scheller, and M. Koch
J. Infrared Milli Terahz Waves 30, 762 (2009) [DOI]
94) High Q-factor metasurfaces based on miniaturized asymmetric single split resonators
I. Al-Naib, C. Jansen, and M. Koch
Appl. Phys. Lett. 94, 153505 (2009) [DOI]
93) Spatially resolved measurements of depletion properties of large gate
2DEG semiconductor terahertz modulators
T. Kleine-Ostmann, K. Pierz, G. Hein, P. Dawson, M. Marso, and M. Koch
J. Appl. Phys. 105, 093707 (2009) [DOI]
92) Terahertz birefringence for orientation analysis
C. Jördens, M. Scheller, M. Wichmann, M. Mikulics, K. Wiesauer, and M.Koch
Appl. Opt. 48, 2037 (2009) [DOI]
91) Modeling heterogeneous dielectric mixtures in the terahertz regime:
a quasi-static effective medium theory
M. Scheller, S. Wietzke, C Jansen and M. Koch
J. Phys. D: Appl. Phys., 42, 065415 (2009) [DOI]
90) Monitoring Polymeric Compounding Processes Inline with THz Time-Domain Spectroscopy
N. Krumbholz, T. Hochrein, N. Vieweg , T. Hasek , K. Kretschmer, M. Bastian, M. Mikulics, and
M. Koch
Polymer Testing 28, 30 (2009) [DOI]
89) Analyzing sub-100-μm samples with transmission terahertz time domain spectroscopy
M. Scheller, C. Jansen, M. Koch
Opt. Comm. 282, 1304 (2009) [DOI]
88) A hybrid time-domain model for pulsed terahertz dipole antennas
K. Ezdi, B. Heinen, C. Jördens, N. Vieweg, N. Krumbholz, R. Wilk, M. Mikulics and M. Koch
Journal of the European Optical Society, Rapid Publications, 4, 09001 (2009) [DOI]
2008
87) Fiber-coupled terahertz transceiver head
C. Jördens, N. Krumbholz, T. Hasek, N. Vieweg, B. Scherger, L. Bähr, M. Mikulics and M. Koch
Elect. Lett., 44, 1473 (2008) [DOI]
86) Impact of the contact metallization on the performance of photoconductive THz antennas
N. Vieweg, M. Mikulics, M. Scheller, K. Ezdi, R. Wilk, H.-W. Hübers, and M. Koch
Opt. Exp. 16, 19695 (2008) [DOI]
85) Applying the Babinet Principle to Asymmetric Resonators
I.A.I. Al-Naib, C. Jansen, and M. Koch
Elect. Lett, 44, 1228 (2008) [DOI]
84) Miniaturized Bandpass Filter based on Metamaterial Resonators
I. A. Ibraheem Al-Naib, C. Jansen, and M. Koch
J. Phys. D: Appl. Phys. 41, 205002 (2008) [DOI]
83) Thin-film Sensing with Planar Asymmetric Metamaterial Resonators
I.A. Ibraheem Al-Naib, C. Jansen, and M. Koch
Appl. Phys. Lett., 93, 083507 (2008) [DOI]
82) All-semiconductor laser driven terahertz time-domain spectrometer
C. Jördens, T. Schlauch, M. Li, M.R. Hofmann, M. Bieler, M. Koch
Appl. Phys. B 93, 515 (2008) [DOI]
81) THz Metrology
T. Kleine-Ostmann, T. Schrader, M. Bieler, U. Siegner, C. Monte, B. Gutschwager, J. Hollandt,
R. Müller, G. Ulm, I. Pupeza, and M. Koch
Frequenz 62, 5-6 (2008) [DOI]
80) Sub-terahertz on-off switch based on a two-dimensional photonic crystal infiltrated by liquid crystals
Z. Ghattan, T. Hasek, R. Wilk, M. Shahabadi, and M. Koch
Opt. Comm. 281, 4623 (2008) [DOI]
79) A continuous wave THz spectrometer as a non-contact thickness measuring device
R. Wilk, F. Breitfeld, M. Mikulics, and M. Koch
Appl. Opt. 47, 3023 (2008) [DOI]
78) Coupling of free space sub-terahertz waves into dielectric slabs using PC waveguides
Z. Ghattan, T. Hasek, M. Shahabadi, and M. Koch
Opt. Expr., 16, 6118 (2008) [DOI]
77) 300 GHz Transmission System
C. Jastrow, K. Münter, R. Piesiewicz, T. Kürner, M. Koch and T. Kleine-Ostmann
Electr. Lett. 44, 214 (2008) [DOI]
76) Discrimination between intra- and intermolecular THz modes in biomolecular crystals:
a combined theoretical and experimental study
T. Kleine-Ostmann, R. Wilk, F. Rutz, M. Koch, H. Niemann, B. Güttler, and J. Grunenberg
ChemPhysChem. 9, 554 (2008)
75) Group delay characteristics in coplanar waveguide left-handed media
I.A. Ibraheem, J. Schoebel, and M. Koch
J. Appl. Phys. 103, 024903 (2008) [DOI]
74) Detection of foreign bodies in chocolate with pulsed THz spectroscopy
C. Jördens and M. Koch
Opt. Eng., 47, 037003 (2008) [DOI]
73) Performance analysis of future multi-gigabit wireless communication systems at THz frequencies with highly directive antennas in realistic indoor environments
R. Piesiewicz, M. Jacob, M. Koch, J. Schoebel, T. Kürner
IEEE Journal Select. Topics Quant. Electronics, 14, 421 (2008) [DOI]
72) Highly accurate THz time-domain spectroscopy of multi-layer structures
R. Wilk, I. Pupeza, R.Cernat. and M. Koch
IEEE Journal Select. Topics Quant. Electronics, 14, 392 (2008) [DOI]
71) High Power Monolithic Two Mode DFB Laser Diodes for the Generation of THz Radiation
A. Klehr, J. Fricke, A. Knauer, G. Erbert, M. Walter, R. Wilk, M. Mikulics, and M. Koch
IEEE Journal Select. Topics Quant. Electronics, 14, 289 (2008) [DOI]
70) Low-Dispersive Dielectric Mirrors for Future Wireless Terahertz Communication Systems
I.A. Ibraheem, N. Krumbholz, D. Mittleman and M. Koch
IEEE Microwave and Wireless Components Letters, 18, 67 (2008) [DOI]
69) The impact of reflections from stratified building materials on the wave propagation in
future indoor terahertz communication systems
C. Jansen, R. Piesiewicz, D. M. Mittleman, T. Kürner and M. Koch
IEEE Transactions on Antennas and Propagation 56, 1413 (2008) [DOI]
2007
68) Coplanar waveguide metamaterials: the role of bandwidth modifying slots
I.A. Ibraheem and M.Koch
Appl. Phys. Lett., 91, 113517 (2007) [DOI]
67) Detection of THz radiation with semiconductor diode lasers
C. Brenner, S. Hoffmann, and M.R. Hofmann, M. Salhi M. Koch, A. Klehr, G. Erbert, G. Tränkle,
J.T. Steiner, M. Kira, and S.W. Koch
Appl. Phys. Lett., 91, 101107 (2007) [DOI]
66) Terahertz technology: a land to be discovered (invited article)
M. Koch
Optics and Photonics News, March 2007 S. 21 (2007) [DOI]
65) Detection of THz radiation with diode lasers
C. Brenner, S. Hoffmann, M.R. Hofmann, M. Salhi, M. Koch, A. Klehr, G.Erbert, and G. Tränkle
Electr. Lett. 43, 870 (2007) [DOI]
64) Terahertz Imaging: A New Non-destructive Technique for the Quality Control of Plastic Weld Joints
S. Wietzke, C. Jördens, N. Krumbholz, M. Koch, B. Baudrit, and M. Bastian
Journal of the European Optical Society, Rapid Publications 2, 07013 (2007) [DOI]
63) Short-Range Ultra Broadband Terahertz Communications: Concept and Perspectives
R. Piesiewicz, T. Kleine-Ostmann, N. Krumbholz, D. Mittleman, M. Koch, J. Schoebel, and T. Kürner
IEEE Antennas and Propagation Magazine 49, 24 (2007) [DOI]
62) Highly Accurate Optical Material Parameter Determination with THz Time Domain Spectroscopy
I. Pupeza, R. Wilk, and M.Koch
Opt. Expr. 15, 4335 (2007) [DOI]
61) Scattering analysis for the modeling of THz communication systems
R. Piesiewicz, C. Jansen, D. Mittleman, T. Kleine-Ostmann, M. Koch, and T. Kürner
IEEE Transactions on Antennas and Propagation 55, 3002 (2007) [DOI]
60) Determination of Additive Content in Polymeric Compounds with Terahertz Time-Domain Spectroscopy
S. Wietzke, C. Jansen, F. Rutz, D. Mittleman, and M. Koch
Polymer Testing 26, 614 (2007) [DOI]
59) Properties of building and plastic materials in the THz range
R. Piesiewicz, C. Jansen, S. Wietzke, D. Mittleman, M. Koch, and T. Kürner
Int. Journal of Infrared and Millimeter Waves, 28 (5), 363-371 (2007) [DOI]
58) Dielectric reflectors for terahertz frequencies (invited article)
R. Wilk, N. Krumbholz, F. Rutz, D. Mittleman, M.Koch
J. Nanoelectron. Optoelectron. 2, 77 (2007) [DOI]
57) Terahertz generation with a 1064 nm DFB laser diode
R.Wilk, A. Klehr, M. Mikulics, T. Hasek, M. Walther, M. Koch
Electr. Lett. 43, 108 (2007) [DOI]
56) Nonlinear mixing between the emission of a cw laser and a femtosecond laser
M.S. Salhi, M. Bieler and M. Koch
Opt. Comm., 274, 198 (2007) [DOI]
55) A novel THz source based on a two-color Nd:LSB microchip laser and a LT-GaAsSb photomixer
U. Willer, R. Wilk, W. Schippers, D. Nodop, S. Böttger, T. Schossig, W. Schade, M. Mikulics, M. Koch,
M. Walther, H. Niemann, B. Güttler
Appl. Phys. B, 87, 13 (2007) [DOI]
2006
54) Micro-mirrors for a multifocus terahertz imaging system
C. Jördens, M. Salhi, T. Hasek, G. Thorwirth, U. Böttger, and M. Koch
Proceedings of the European Microwave Association 2, 300 (2006)
53) Terahertz Birefringence of Liquid Crystal Polymers
F. Rutz, T. Hasek, M. Koch, H. Richter and U. Ewert
Appl. Phys. Lett. 89, 221911 (2006) [DOI]
52) Photonic crystals for fluid sensing in the sub-terahertz range
T. Hasek, H. Kurt, D. Citrin, and M. Koch
Appl. Phys. Lett. 89, 173508 (2006) [DOI]
51) THz imaging system based on a LT-GaAsSb antenna driven by an all-semiconductor
femtosecond source
K.G. Wilcox, F. Rutz, R. Wilk, H.D. Foreman, J.S. Roberts, J. Sigmund, H.L. Hartnagel, M. Koch,
and A.C. Tropper
Electr. Lett. 42, 1159 (2006) [DOI]
50) Ceramic dielectric mirrors for the terahertz range
F. Rutz, M. Koch, L. Micele and G. de Portu
Appl. Opt. 45, 8070 (2006) [DOI]
49) Terahertz quality control of polymeric products (invited article)
F. Rutz, M. Koch, S. Khare, M. Moneke, H. Richter, and U. Ewert
Int. Journal of Infrared and Millimeter Waves 27, 547 (2006) [DOI]
48) Omnidirectional terahertz mirrors: a key element for future THz communication systems
N. Krumbholz, K. Gerlach, F. Rutz, M. Koch, R. Piesiewicz, T. Kürner, D. Mittleman
Appl. Phys. Lett. 88, 202905 (2006) [DOI]
47) Conductivity of single-stranded and double-stranded DNA under ambient conditions: the dominance of water
T. Kleine-Ostmann, C. Jördens and K. Baaske, T. Weimann, M. Hrabe de Angelis, and M. Koch
Appl. Phys. Lett. 88, 102102 (2006) [DOI]
2005
46) Structure investigation of LTG-GaAsSb as a new material for photoconductive THz antennas
J. Sigmund, C. Sydlo, H.L. Hartnagel, N. Benker H. Fuess, F. Rutz, T. Kleine-Ostmann, and M. Koch
Appl. Phys. Lett. 87, 252103 (2005) [DOI]
45) Ultrafast electric field measurements in semiconductors by spectral integration over electric field-induced Franz-Keldysh oscillations
M. Bieler, G. Hein, K. Pierz, and U. Siegner, M. Koch
Appl. Phys. Lett. 87, 042102 (2005) [DOI]
44) Terahertz characterization of building materials
R. Piesiewicz, T. Kleine-Ostmann, N. Krumbholz, D. Mittleman, M. Koch and T. Kürner
Electron. Lett. 41, 1002 (2005) [DOI]
43) Terahertz time-domain spectroscopy and imaging of artificial RNA
B.M. Fischer, M. Hoffmann, R. Wilk, F. Rutz, T. Kleine-Ostmann, M. Koch, and P. Uhd Jepsen
Optics Exress 13, 5205 (2005) [DOI]
2004
42) Audio signal transmission over THz communication channel using semiconductor modulator
T. Kleine-Ostmann, K. Pierz, G. Hein, P. Dawson, and M.Koch
Electron. Lett. 40, 124 (2004) [DOI]
41) Room-temperature operation of an electrically driven terahertz modulator
T. Kleine-Ostmann, K. Pierz G. Hein, P. Dawson, and M. Koch
Appl. Phys. Lett. 84, 3555 (2004) [DOI]
40) A new class of improved efficiency THz filters for on-chip detection of biomaterials
F. Stewing, T. Kleine-Ostmann, and M. Koch
Microwave and Optical Technology Letters 41, 79 (2004) [DOI]
2003
39) Ultrafast Polarization Dynamics in Biased Quantum Wells under Strong Femtosecond Optical Excitation
D. Turchinovich, P. Uhd Jepsen, B.S. Monozon, M. Koch, S. Lahmann, U. Rossow, and A. Hangleiter
Phys. Rev. B 68, 241307 (2003) [DOI]
2002
38) Modulation of THz Radiation by Semiconductor Nanostrutures
T. Kleine-Ostmann, M. Koch, and P. Dawson
Microwave and Optical Technology Letters 35, 343 (2002) [DOI]
37) Fourier-Transform External Cavity Lasers
M. Breede, S. Hoffmann, J. Zimmermann, J. Struckmeier, M. Hofmann T. Kleine-Ostmann,
P. Knobloch, M. Koch, J.P. Meyn, M. Matus, S.W. Koch, and J.V. Moloney
Opt. Comm. 207, 261 (2002) [DOI]
36) Quantifying the drift velocity of carrier ensembles in time dependent electric fields
M. Bieler, J. Hübner and M. Oestreich, M. Koch, G. Hein, K. Pierz, and U. Siegner
J. Appl. Phys. 91, 9869 (2002) [DOI]
35) Dual-wavelength Fiber-Laser
T. Kleine-Ostmann, P. Knobloch, R. Caspary, M. Hofmann, and M. Koch
Electron. Lett. 38, 309 (2002) [DOI]
34) Flexible All-Plastic Mirrors for the THz Range
D.Turchinovich, A. Kammoun, P.Knobloch, T.Dobbertin, and M.Koch
Applied Physics A 74, 291 (2002) [DOI]
2001
33) Continuous-wave THz Imaging
T. Kleine-Ostmann, P. Knobloch, M.Koch, S. Hoffmann, M. Breede, M. Hofmann, G. Hein,
K. Pierz, M. Sperling, and K. Donhuijsen
Electron. Lett. 37, 1461 (2001) [DOI]
2000
32) Spatial Pattern Formation of Optically Excited Carriers in Photoconductive Switches
M. Bieler, G.Hein, K. Pierz, U. Siegner, and M.Koch
Appl. Phys. Lett. 77, 1002 (2000) [DOI]
31) An Optically Controllable THz Filter
I.H. Libon, S. Baumgärtner, M.Hempel, N.E. Hecker, J. Feldmann, M.Koch, and P. Dawson
Appl. Phys. Lett. 76, 2821 (2000) [DOI]
30) Launching Surface Plasmons into Nanoholes in Metal Films
C. Sönnichsen, A.C. Duch, G. Steininger, M. Koch, G. von Plessen, and J. Feldmann
Appl. Phys. Lett. 76, 140 (2000) [DOI]
1999
29) Magnetoexciton Quantum Beats: Influence of Coulomb Correlations
M. Koch, S.T. Cundiff, W.H. Knox, J. Shah, and W. Stolz
Solid State Communications 111, 553 (1999) [DOI]
28) Recent Advances in Terahertz Imaging (invited article)
D.M. Mittleman, M. Gupta, R. Neelamani, R.G. Baraniuk, J.V. Rudd, and M. Koch
Applied Physics B 68, 1085 (1999) [DOI]
27) Excitonic wave packets in space- and time-resolved pump and probe experiments
R. Otremba, S. Grosse, M. Koch, J. Feldmann, V.M. Axt, T. Kuhn, and W. Stolz
Solid State Communications 109, 317 (1999) [DOI]
1998
26) THz-Imaging: a New Method for Density Mapping of Wood
M. Koch, S. Hunsche, P. Schumacher, M. C. Nuss, Feldmann, and J. Fromm
Wood Science and Technology 32, 421 (1998) [DOI]
25) Laser-induced thermal expansion of a scanning tunneling microscope tip measured with an atomic force microscope cantilever
R.Huber, M. Koch, and J. Feldmann
Appl. Phys. Lett. 73, 2521 (1998) [DOI]
24) THz Near-Field Imaging
S. Hunsche, M. Koch, I. Brener, and M.C. Nuss
Opt. Comm. 150, 22 (1998) [DOI]
23) New Dimensions in T-Ray Imaging
S. Hunsche, D.M. Mittleman, M. Koch, and M.C. Nuss
IEICE Trans. Electron. E81-C, 269 (1998) [DOI]
22) Cavity Quantum Electrodynamics: Observation of a Characteristic Nonlinear Response
M. Koch, J. Shah, and T. Meier
Phys. Rev. B 57, R2049 (1998) [DOI]
1997
21) Short Cavity Erbium/Ytterbium Fiber Lasers Mode-Locked with a Saturable Bragg Reflector
B.C. Collings, S.T. Cundiff, S. Tsuda, W.H. Knox, J.E. Cunningham, W.Y. Jan,
M. Koch, K. Bergman, and N. Kutz
IEEE Journal of Selected Topics in Quantum Electronics 3, 1065 (1997) [DOI]
20) THz Oscillations in the Emission from a Semiconductor Microcavity
M. Tsuchiya, M. Koch, J. Shah, T.C. Damen, W.Y. Jan, and J.E. Cunningham
Appl. Phys. Lett. 71, 1240 (1997) [DOI]
19) Spectrally and Temporally Resolved Gain Dynamics in Mode Locked Semiconductor Lasers
P. Miltényi, M. Koch, M. Hofmann, H. Jung, and W. Elsäßer
Appl. Phys. Lett. 70, 1506 (1997) [DOI]
1996
18) Excitonic Quantum Beats in Semiconductor Quantum-Well Structures (invited article)
M. Koch, G. Von Plessen, J. Feldmann, and E.O. Göbel
Chem. Phys. 120, 367 (1996) [DOI]
17) Optical Coherence in Semiconductors: Strong Emission Mediated by Nondegenerate Interactions
S.T. Cundiff, M. Koch, W.H. Knox, J. Shah, and W. Stolz
Phys. Rev. Lett. 77, 1107 (1996) [DOI]
16) Disorder mediated biexcitonic beats in semiconductor quantum wells
T. F. Albrecht, K. Bott, T. Meier, A. Schulze, M. Koch, S.T. Cundiff, J. Feldmann, W. Stolz, P. Thomas, S.W. Koch, and E.O. Göbel
Phys. Rev. B 54, 4436, (1996)
15) Excitonic dephasing in semimagnetic semiconductors
S.T. Cundiff, R. Hellmann, M. Koch, G. Mackh, A. Waag, G. Landwehr, W.H. Knox, and E.O. Göbel
J. Opt. Soc. Am. B 13, 1263 (1996) [DOI]
14) Exciton ionization induced by an electric field in a strongly-coupled GaAs/AlGaAs superlattice
G. v. Plessen, T. Meier, M. Koch, J. Feldmann, P. Thomas, S.W. Koch, E.O. Göbel,
K.W. Goossen, J.M. Kuo, and R.F. Kopf
Phys. Rev. B 53, 13688 (1996) [DOI]
1995
13) Enhanced energy and phase relaxation of excitons in the presence of bare electrons
M. Koch, R. Hellmann, G. Bastian, J. Feldmann, E.O. Göbel, and P. Dawson
Phys. Rev. B 51, 13887 (1995) [DOI]
12) Light Propagation and disorder Effects in Semiconductor Multiple Quantum Wells
T. Stroucken, A. Knorr, C. Anthony, P. Thomas, S.W. Koch, M. Koch, S.T. Cundiff,
J. Feldmann, and E.O. Göbel
Phys. Rev. Lett. 74, 2391 (1995) [DOI]
1994
11) Exciton Dynamics in Disordered Quantum Wells: Localized and Delocalized Regimes
R. Hellmann, S.T. Cundiff, M. Koch, J. Feldmann, E.O. Göbel, B. Kuhn-Heinrich,
D.R. Yakovlev, A. Waag, and G. Landwehr
Phys. Rev. B 50, 14651 (1994) [DOI]
10) Simultaneous influence of disorder and Coulomb interaction on photon echoes in semiconductors
F. Jahnke, M. Koch, T. Meier, J. Feldmann, W. Schäfer, P. Thomas, S.W. Koch,
E.O. Göbel, and H.Nickel
Phys. Rev. B 50, 8114 (1994) [DOI]
9) Picosecond Gain Dynamics of an actively Mode-Locked External-Cavity Laser Diode
M. Hofmann, M. Koch, J. Feldmann, W. Elsäßer, E.O. Göbel, W.W. Chow, and S.W. Koch
IEEE J. Quantum Electron. 30, 1756 (1994) [DOI]
8) Koch et al. Reply
M. Koch, J. Feldmann, G. v. Plessen, S.T. Cundiff, E.O. Göbel, P. Thomas, and K. Köhler
Phys. Rev. Lett. 73, 210 (1994) [DOI]
7) Temporal and spectral gain dynamics in an actively modelocked semiconductor laser
M. Hofmann, M. Koch, H.-J. Heinrich, G. Weiser, J. Feldmann, W. Elsäßer, E.O. Göbel, W.W. Chow, and S.W. Koch
IEE Proc.-Optoelectron. 141, 127 (1994) [DOI]
1993
6) Excitonic Quantum Beats in CdTe/CdMnTe Quantum Wells
M. Koch, R. Hellmann, S.T. Cundiff, J. Feldmann, E.O. Göbel, D.R. Yakovlev, A. Waag, G. Landwehr
Solid State Communications 88, 515 (1993) [DOI]
5) Coupling of Exciton Transitions associated with Different Quantum-Well Islands
M. Koch, J. Feldmann, E.O. Göbel, P. Thomas, J. Shah, and K. Köhler
Phys. Rev. B 48, 11480 (1993) [DOI]
4) Homogeneous Linewidth of Excitons in Semimagnetic CdTe/CdMnTe Multiple Quantum Wells
R. Hellmann, M. Koch, J. Feldmann, S.T. Cundiff, E.O. Göbel, D.R. Yakovlev, A. Waag, G. Landwehr
Phys. Rev. B 48, 2847 (1993) [DOI]
3) Coherent Dynamics of Excitonic Wave Packets
J. Feldmann, T. Meier, G. v. Plessen, M. Koch, E. O. Göbel, P. Thomas,
G. Bacher, C. Hartmann, H. Schweizer, W. Schäfer, and H. Nickel
Phys. Rev. Lett. 70, 3027 (1993) [DOI]
2) Subpicosecond photon-echo spectroscopy on GaAs/AlAs short-period superlattices
M. Koch, D. Weber, J. Feldmann, E.O. Göbel, T. Meier, A. Schulze, P. Thomas,
S. Schmitt-Rink, and K. Ploog
Phys. Rev. B 47, 1532 (1993) [DOI]
1992
1) Quantum Beats vs. Polarization Interference: An Experimental Distinction
M. Koch, J. Feldmann, G. v. Plessen, E.O. Göbel, P. Thomas, and K. Köhler
Phys. Rev. Lett. 69, 3631 (1992) [DOI]