51猎奇

2018 2017 2016 2015 2014 2013 2012 2011 2010 2009 2008 2007 2006 2005 2004 2003 2002 2001 2000 1999 1997

PUBLICATIONS 2018/2019

(without short conference contributions, only long and refereed contributions to proceedings included)

2019

Direct nanoscopic observation of plasma waves in the channel of a graphene field-effect transistor. A. Soltani, F. Kuschewski, M. Bonmann, A. Generalov, A. Vorobiev, F. Ludwig, M. M. Wiecha, D. 膶ibirait臈, F. Walla, S. Winnerl, S. C. Kehr, L. M. Eng, J. Stake, and H. G. Roskos, submitted.

Direct near-field observation of surface plasmon polaritons on silver nanowires. M. Wiecha, S. Al-Daffaie, A. Bogdanov, M. Thomson, O. Yilmazoglu, F. Küpers, A. Soltani, and H. G.Roskos, ACS Omega, published online Dec. 13, 2019; DOI: 1021/acsomega.9b03036

3D Fourier imaging based on 2D heterodyne detection at THz frequencies. H. Yuan, D. Voß, A. Lisauskas, D. Mundy and H G. Roskos, APL Photonics 4 (2019) 106108; DOI: 10.1063/1.5116553.

Nonlocal collective ultrastrong interaction of plasmonic metamaterials and photons in a terahertz photonic crystal cavity. Meng, M. D. Thomson, B. Klug, D. 膶ibirait臈, Q. Ul-Islam, and H. G. Roskos, Opt. Express 27 (2019) 24455-24468; DOI: 10.1364/OE.27.024455

Design and demonstration of antenna-coupled Schottky diodes in a foundry complementary metal-oxide semiconductor technology for electronic detection of far-infrared radiation. Z. Ahmad, A. Lisauskas, H. G. Roskos, and K. O, J. Appl. Phys. 125, (2019) 194501; DOI: 10.1063/1.5083689.

Terahertz quantitative metrology using 300 GHz in-line digital holography. Wan, H. Yuan, D. 膶ibirait臈, D. Cassidy, A. Lisauskas, J. J. Healy, H. G. Roskos, V. Krozer, and J. Sheridan, in Holography: Advances and Modern Trends VI, Proc. SPIE 11030, 11030OR (2019).

Terahertz quantitative metrology using 300 GHz in-line digital holography. Yuan, M. Wan, A. Lisauskas, J. Sheridan, and H. G. Roskos, in Holography: Advances and Modern Trends VI, Proc. SPIE 11030, 11030OS (2019).

A high-sensitivity AlGaN/GaN HEMT terahertz detector with integrated broadband bow-tie antenna. Bauer, A. Rämer, S. A. Chevtchenko, K. Osipov, D. 膶ibirait臈, S. Pralgauskait臈, K. Ikamas, A. Lisauskas, W. Heinrich, V. Krozer, and H. G. Roskos, IEEE Trans. Terahertz Sci. Technol. 9 (2019) 430-444 (invited); DOI: 10.1109/TTHZ.2019.2917782.

Terahertz detection with a low-cost packaged GaAs high-electron-mobility transistor. Javadi, A. Lisauskas, M. Shahabadi, N. Masoumi, J. Zhang, J. Matukas, H. Roskos, IEEE Trans. Terahertz Sci. Technol. 9 (2019) 27-37; DOI: 10.1109/TTHZ.2018.2877908.

Enhancement of the monolayer tungsten-disulfide exciton photoluminescence with a two-dimensional-material/air/gallium-phosphide in-plane microcavity. O. Mey, F. Wall, L. M. Schneider, D. Günder, F. Walla, A. Soltani, H. G. Roskos, N. Yao, P. Qing, W. Fang, A. Rahimi-Iman, ACS Nano 13 (2019) 5259-5267; DOI: 10.1021/acsnano.8b09659.

Terahertz emission from biased AlGaN/GaN high electron mobility transistors. Lisauskas, A. Rämer, M. Burakevi膷, S. Shevchenko, V. Krozer, W. Heinrich, and H. Roskos, J. Appl. Phys. 125, 151614 (2019); 9); DOI: 10.1063/1.5083838.

Coherent photo-induced phonon emission in the charge-density-wave state of K₃MoO_3. Rabia, F. Meng, M. D. Thomson, M. Bykov, R. Merlin, S. van Smaalen, and H. G. Roskos, New. J. Phys. 21 (2019) 013013; DOI: 10.1088/1367-2630/aaf81f.

 

2018

Broadband Terahertz Power Detectors Based on 90-Nm Silicon CMOS Transistors With Flat Responsivity Up to 2.2 THz. K. Ikamas, K.; Cibiraite, D.; Lisauskas, A.; Bauer, M.; Krozer, V.; Roskos, H. G. IEEE ELECTRON DEVICE Lett. 2018, 39 (9), 1413–1416.

Field-effect transistor-based detectors for power monitoring of THz quantum cascade lasers. Zdanevi膷ius, D. 膶ibirait臈, K. Ikamas, M. Bauer, J. Matukas, A. Lisauskas, H. Richter, T. Hagelschuer, V. Krozer, Heinz-Wilhelm Hübers, and H. Roskos, IEEE Trans. Terahertz Sci. Technol. 8 (2018) 613-621; DOI: 10.1109/TTHZ.2018.2871360.

Sub-picosecond pulsed THz FET detector characterization in plasmonic detection regime based on autocorrelation technique. K, Ikamas, A. Lisauskas, S. Massabeau, M. Bauer, M. Burakevi膷, J. Vyšniauskas, D. 膶ibirait臈, V. Krozer, A. Rämer, S. Shevchenko, W. Heinrich, .J Tignon, S. Dhillon, J. Mangeney and H. G. Roskos, Semicond. Sci. Tech. 33 (2018) 124013; DOI: 10.1088/1361-6641/aae905

Near-field observation of guided-mode resonances on a metasurface via dielectric nanosphere excitation. F, Walla, F. Bu虉rkle, I. Sinev, M. M. Wiecha, N. Mecklenbeck, K. Ladutenko, R. Malureanu, F. Komissarenko, A. Lavrinenko, A. Bogdanov, A. Soltani, and H. G. Roskos, ACS Photonics 5 (2018) 4238-4243; DOI: 10.1021/acsphotonics.8b00900.

Field-Effect Transistors as Electrically Controllable Nonlinear Rectifiers for the Characterization of Terahertz Pulses. Lisauskas, A.; Ikamas, K.; Massabeau, S.; Bauer, M.; Cibiraite, D.; Matukas, J.; Mangeney, J.; Mittendorff, M.; Winnerl, S.; Krozer, V.; et al. APL PHOTONICS 2018, 3 (5). 

Imaging and Spectroscopic Sensing with Low-Repetition-Rate Terahertz Pulses and GaN TeraFET Detectors. Voss, D.; Zouaghi, W.; Jamshidifar, M.; Boppel, S.; McDonnell, C.; Bain, J. R. P.; Hempler, N.; Malcolm, G. P. A.; Maker, G. T.; Bauer, M.; et al. J. INFRARED Millim. TERAHERTZ WAVES 2018, 39 (3), 262–272.

Dielectric Properties of Vertically Aligned Multi-Walled Carbon Nanotubes in the Terahertz and Mid-Infrared Range. Thomson, M. D.; Zouaghi, W.; Meng, F.; Wiecha, M. M.; Rabia, K.; Heinlein, T.; Hussein, L.; Babu, D.; Yadav, S.; Engstler, J.; et al. J. Phys. D-APPLIED Phys. 2018, 51 (3).

TOWARDS GAS SENSING WITH VERTICALLY ALIGNED CARBON NANOTUBES INTERROGATED BY THz RADIATION PULSES. Zouaghi, W.; Hussein, L.; Thomson, M. D.; Islam, Q.; Nicoloso, N.; Heinlein, T.; Engstler, J.; Schneider, J. J.; Roskos, H. G. Lith. J. Phys. 2018, 58 (1), 38–48.

Imaging and spectroscopic sensing with low-repetition-rate terahertz pulses and GaN TeraFET detectors. D. Voß, W. Zouaghi, M. Jamshidifar, S. Boppel, C. McDonnell, J. R. P. Bain, N. Hempler, G. P. A. Malcolm, G. T. Maker, M. Bauer, A. Lisauskas, A. Rämer, S. A. Shevchenko, W. Heinrich, V. Krozer, and H. G. Roskos, J. Infrared Millimeter THz Waves 39 (2018) 262-272; DOI: 1007/s10762-017-0447-1.

Anisotropic Excitation of Surface Plasmon Polaritons on a Metal Film by a Scattering-Type Scanning near-Field Microscope with a Nonrotationally-Symmetric Probe Tip. Walla, F.; Wiecha, M. M.; Mecklenbeck, N.; Beldi, S.; Keilmann, F.; Thomson, M. D.; Roskos, H. G. NANOPHOTONICS 2018, 7 (1), 269–276.

2017

Efficient Detection of 3 THz Radiation from Quantum Cascade Laser Using Silicon CMOS Detectors.
Ikamas, K.; Lisauskas, A.; Boppel, S.; Hu, Q.; Roskos, H. G.
INFRARED Millim. TERAHERTZ WAVES 2017, 38 (10), 1183–1188.

Phase-Channel Dynamics Reveal the Role of Impurities and Screening in a Quasi-One-Dimensional Charge-Density Wave System.
Thomson, M. D.; Rabia, K.; Meng, F.; Bykov, M.; van Smaalen, S.; Roskos, H. G.
Sci. Rep. 2017, 7.

Thermal Noise-Limited Sensitivity of FET-Based Terahertz Detectors.
Cibiraite, D.; Bauer, M.; Lisauskas, A.; Krozer, V.; Roskos, H. G.; Pralgauskaite, S.; Zdanevicius, J.; Matukas, J.; Lisauskas, A.; Raemer, A.; et al.
In 2017 INTERNATIONAL CONFERENCE ON NOISE AND FLUCTUATIONS (ICNF); International Conference on Noise and Fluctuations; 2017.

Efficient Detection of Short-Pulse THz Radiation with Field Effect Transistors.
Ikamas, K.; Lisauskas, A.; Bauer, M.; Raemer, A.; Massabeau, S.; Cibiraite, D.; Burakevic, M.; Chevtchenko, S.; Mangeney, J.; Heinrich, W.; et al.
In 2017 INTERNATIONAL CONFERENCE ON NOISE AND FLUCTUATIONS (ICNF); International Conference on Noise and Fluctuations; 2017.

TeraFET Detector for Measuring Power Fluctuations of 4.75-THz QCL-Generated Radiation.
Zdanevicius, J.; Ikamas, K.; Matukas, J.; Lisauskas, A.; Richter, H.; Huebers, H.-W.; Bauer, M.; Roskos, H. G.
In 2017 INTERNATIONAL CONFERENCE ON NOISE AND FLUCTUATIONS (ICNF); International Conference on Noise and Fluctuations; 2017.

Hydrodynamic Modelling of Terahertz Rectification in AlGaN/GaN High Electron Mobility Transistors.
Vysniauskas, J.; Lisauskas, A.; Bauer, M.; Cibiraite, D.; Matukas, J.; Roskos, H. G.
In 20TH INTERNATIONAL CONFERENCE ON ELECTRON DYNAMICS IN SEMICONDUCTORS, OPTOELECTRONICS AND NANOSTRUCTURES (EDISON 20); Einarsson, E, Ed.; Journal of Physics Conference Series; 2017; Vol. 906.

Optimization of the Design of Terahertz Detectors Based on Si CMOS and AlGaN/GaN Field-Effect Transistors.
Bauer, M.; Boppel, S.; Zhang, J.; Raemer, A.; Chevtchenko, S.; Lisauskas, A.; Heinrich, W.; Krozer, V.; Roskos, H. G.
In FUNDAMENTAL AND APPLIED PROBLEMS OF TERAHERTZ DEVICES AND TECHNOLOGIES; Ryzhii, M and Satou, A and Otsuji, T, Ed.; Selected Topics in Electronics and Systems; 2017; Vol. 58, pp 23–32.

2016

Saturable Absorption of Femtosecond Optical Pulses in Multilayer Turbostratic Graphene.
Meng, F.; Thomson, M. D.; Bianco, F.; Rossi, A.; Convertino, D.; Tredicucci, A.; Coletti, C.; Roskos, H. G.
Opt. Express 2016, 24 (14), 15261–15273.

0.25-Mu m GaN TeraFETs Optimized as THz Power Detectors and Intensity-Gradient Sensors.
Boppel, S.; Ragauskas, M.; Hajo, A.; Bauer, M.; Lisauskas, A.; Chevtchenko, S.; Raemer, A.; Kasalynas, I.; Valusis, G.; Wuerfl, H.-J.; et al.
IEEE Trans. TERAHERTZ Sci. Technol. 2016, 6 (2), 348–350. 

Terahertz Emission from Large AlGaN/GaN Field-Effect Transistors.
Lisauskas, A.; Raemer, A.; Burakevic, M.; Krozer, V.; Heinrich, W.; Roskos, H. G.
In 2016 41ST INTERNATIONAL CONFERENCE ON INFRARED, MILLIMETER, AND TERAHERTZ WAVES (IRMMW-THZ); International Conference on Infrared Millimeter and Terahertz Waves; 2016.

Real-Time Detection of the THz Pulses from a THz OPO Using AlGaN/GaN TeraFETs.
Zouaghi, W.; Voss, D.; McDonnell, C.; Mundy, D.; Bain, J. R. P.; Hempler, N.; Malcolm, G. P.; Maker, G. T.; Raemer, A.; Chevtchenko, S. A.; et al.
In 2016 41ST INTERNATIONAL CONFERENCE ON INFRARED, MILLIMETER, AND TERAHERTZ WAVES (IRMMW-THZ); International Conference on Infrared Millimeter and Terahertz Waves; 2016.

Design and Analysis of a Perfect Metamaterial Absorber for Sub-Terahertz Frequencies.
Sabah, C.; Wellmann, T.; Voss, D.; Zouaghi, W.; Roskos, H. G.
In 9TH INTERNATIONAL PHYSICS CONFERENCE OF THE BALKAN PHYSICAL UNION (BPU-9); Akkus, B and Oktem, Y and Yalcin, LS and Mutlu, RBC and Dogan, GS, Ed.; AIP Conference Proceedings; 2016; Vol. 1722.

2015

Relativistic Doppler reflection as a probe for the initial relaxation of a non-equilibrium electron-hole plasma in silicon
 M. D. Thomson, F. Meng, B. E. Sernelius and H. G. Roskos, J.
 Phys. C 647 (2015) 012016.

The potential for sensitivity enhancement by the thermoelectric effect in carbon-nanotube and graphene Tera-FETs
M. Bauer, M. A. Andersson, A. Zak, P. Sakalas, D. Cibraite, A. Lisauskas, M. Schröter, J. Stake, and H. G. Roskos,
 J. Phys. Conf. Ser., vol. 647, p. 12004, Oct. 2015.

Relativistic Doppler frequency up-conversion of terahertz pulses via reflection from photo-induced plasma fronts in solid-state media
 M. D. Thomson, F. Meng, and H. G. Roskos, 
Proc. SPIE 9585(2015) 95850G.

Ultrafast dynamic conductivity and scattering rate saturation of photoexcited charge carriers in silicon investigated with a mid-infrared continuum probe
F. Meng, M. D. Thomson, B. E. Sernelius, M. Jörger, and H. G. Roskos, 
Phys. Rev. B 91 (2015) 075201

Camera for high-speed THz imaging
J. Zdanevi膷ius, M. Bauer, S. Boppel, V. Palenskis, A. Lisauskas, V. Krozer, and H. G. Roskos,
J. Infrared Millim. Terahertz Waves, Jun. 2015

High-sensitivity wideband THz detectors based on GaN HEMTs with integrated bow-tie antennas
M. Bauer, A. Rämer, S. Boppel, A. Lisauskas, S. Chevtchenko, W. Heinrich, V. Krozer, and H. G. Roskos, 
in Microwave Integrated Circuits Conference (EuMIC), 2015 10th European, 2015, pp. 1–4.

How good would the conductivity of graphene have to be to make single-layer-graphene meta­materials for terahertz frequencies feasible?
W. Zouaghi, D. Voß, M. Gorath, N. Nicoloso, and H. G. Roskos,
Carbon 94 (2015) 301-308.

2014

Relativistic Doppler frequency up-conversion of terahertz pulses reflecting from a photo-induced plasma front in silicon
F. Meng, M. D. Thomson, and H. G. Roskos
Phys. Rev. B 90 (2014) 155207.

Antenna-integrated 0.6 THz FET direct detectors based on CVD graphene
A. Zak, M. A. Andersson, M. Bauer, J. Matukas, A. Lisauskas, H. G. Roskos, and J. Stake,
Nano Lett., vol. 14, no. 10, pp. 5834–5838, Oct. 2014.

Antenna-coupled field-effect transistors for multi-spectral terahertz imaging up to 4.25 THz
M. Bauer, R. Venckevi膷ius, I. Kašalynas, S. Boppel, M. Mundt, L. Minkevi膷ius, A. Lisauskas, G. Valušis, V. Krozer, and H. G. Roskos,
Opt. Express, vol. 22, no. 16, p. 19235, Aug. 2014

Subharmonic mixing at 0.6 THz in an AlGaAs/InGaAs/AlGaAs field effect transistor
V. Giliberti, A. Di Gaspare, E. Giovine, S. Boppel, A. Lisauskas, H. G. Roskos, and M. Ortolani,
in Proc. SPIE 8985, Terahertz, RF, Millimeter, and Submillimeter-Wave Technology and Applications VII, 2014, p. 89851M.

Exploration of Terahertz Imaging with Silicon MOSFETs
A. Lisauskas, M. Bauer, S. Boppel, M. Mundt, B. Khamaisi, E. Socher, R. Venckevi膷ius, L. Minkevi膷ius, I. Kašalynas,D. Seliuta, G. Valušis, V. Krozer, and H. G. Roskos
J. Infrared Millim. Terahertz Waves, vol. 35, no. 1, pp. 63–80, Jan. 2014.

Terahertz detection at 240 GHz with a semiconducting carbon-nanotube field-effect transistor
M. Bauer, A. Lisauskas, P. Sakalas, M. Schroter, and H. G. Roskos
in Infrared, Millimeter, and Terahertz waves (IRMMW-THz), 2014 39th International Conference on, 2014, pp. 1–2.

2013

Real-time CMOS terahertz camera employing plane-to-plane imaging with a focal-plane array of field-effect transistors
M. Bauer, S. Boppel, A. Lisauskas, V. Krozer, and H. G. Roskos,
in Infrared, Millimeter, and Terahertz Waves (IRMMW-THz), 2013 38th International Conference on, 2013, pp. 1–2.

Scalable, monolythically-integrated detectors for THz imaging
S. Boppel, A. Lisauskas, M. Bauer, M. Mundt, V. Krozer, H. G. Roskos, R. Venckevicius, L. Minkevicius, I. Kasalynas, D. Seliuta, G. Valusis, S. Shevchenko, Wurfl, W. Heinrich, and G. Trankle
in Millimeter Waves and THz Technology Workshop (UCMMT), 2013 6th UK, Europe, China, 2013, pp. 1–2.

Optimized Tera-FET detector performance based on an analytical device model verified up to 9 THz
S. Boppel, A. Lisauskas, M. Bauer, M. Mundt, R. Venckevicius, L. Minkevicius, D. Seliuta, I. Kasalynas, B. Khamaisi, E. Socher, G. Valusis, V. Krozer, and H. G.Roskos
in Infrared, Millimeter, and Terahertz Waves (IRMMW-THz), 2013 38th International Conference on, 2013, pp. 1–1.

Sub-harmonic mixing at 591 GHz in AlGaAs/InGaAs two-dimensional electron gas transistors
A. Di Gaspare, V. Giliberti, E. Giovine, S. Boppel, A. Lisauskas, H. G. Roskos, and M. Ortolani
in Infrared, Millimeter, and Terahertz Waves (IRMMW-THz), 2013 38th International Conference on, 2013, pp. 1–3.

Responsivity at 0.27 THz of a heterostructure field effect transistor detector in a quasi-optical package
V. Giliberti, R. Casini, A. Di Gaspare, A. Lisauskas, H. G. Roskos, and M. Ortolani
in Infrared, Millimeter, and Terahertz Waves (IRMMW-THz), 2013 38th International Conference on, 2013, pp. 1–2.

Heterodyne and subharmonic mixing at 0.6 THz in an AlGaAs/InGaAs/AlGaAs heterostructure field effect transistor
V. Giliberti, A. Di Gaspare, E. Giovine, S. Boppel, A. Lisauskas, H. G. Roskos, and M. Ortolani,
Applied Physics Letters, vol. 103, no. 9, p. 093505, 2013. 

A study on scaling behavior of responsivity and low frequency noise of Si MOSFET-based terahertz detectors
A. Lisauskas, S. Boppel, V. Krozer, H. G. Roskos, V. Palenskis, S. Pralgauskaite, J. Matukas, and M. Ragauskas
in Noise and Fluctuations (ICNF), 2013 22nd International Conference on, 2013, pp. 1–4.

Terahertz responsivity and low-frequency noise in biased silicon field-effect transistors
A. Lisauskas, S. Boppel, J. Matukas, V. Palenskis, L. Minkevic虒ius, G. Valus虒is, P. Haring-Boli虂var, and H. G. Roskos
Applied Physics Letters, vol. 102, no. 15, p. 153505, 2013. 

Subharmonic Mixing With Field-Effect Transistors: Theory and Experiment at 639 GHz High Above fT
A. Lisauskas, S. Boppel, M. Mundt, V. Krozer, and H. G. Roskos
IEEE Sensors Journal, vol. 13, no. 1, pp. 124–132, Jan. 2013.

Broadband terahertz spectroscopy: principles, fundamental research and potential for industrial applications
W. Zouaghi, M. D. Thomson, K. Rabia, R. Hahn, V. Blank, and H. G. Roskos. 
Eur. J. Phys. 34, S179 (2013). 

Spatio-spectral characteristics of ultra-broadband THz emission from two-colour photoexcited gas plasmas and their impact for nonlinear spectroscopy 
V. Blank, M. D. Thomson, and H. G. Roskos,
New J. Phys. 15, 075023 (2013). 

Optimization of single-cycle terahertz generation in LiNbO3 for sub-50 femtosecond pump pulse
M. Kunitski, M. Richter, M. D. Thomson, A. Vredenborg, J. Wu, T. Jahnke, M. Schöffler, H. Schmidt-Böcking, H. G. Roskos, and R. Dörner,
Opt. Express 21, 6826 (2013). 

Terahertz frequency upconversion via relativistic Doppler reflection from a photoinduced plasma front in a solid-state medium
M. D. Thomson, S. M. Tzanova, and H. G. Roskos,
Phys. Rev. B 87, 085203 (2013).

Bow-tie-antenna-coupled terahertz detectors using AlGaN/GaN field-effect transistors with 0.25 micrometer gate length 
M. Bauer, A. Lisauskas, S. Boppel, M. Mundt, V. Krozer, H. G. Roskos, S. Chevtchenko, J. Wurfl, W. Heinrich, and G. Trankle
in Microwave Integrated Circuits Conference (EuMIC), 2013 European, 2013, pp. 212–215.

2012

Detection of 639-GHz radiation by sub-harmonic mixing in CMOS field-effect transistors
S. Boppel, A. Lisauskas, M. Mundt, V. Krozer, and H. G. Roskos,
in Infrared, Millimeter, and Terahertz Waves (IRMMW-THz), 2012 37th International Conference on, 2012, pp. 1–1.

CMOS detector arrays for coherent THz imaging: From point-to-point towards plane-to-plane imaging configurations
S. Boppel, A. Lisauskas, M. Saphar, V. Krozer, and H. G. Roskos,
in Microwave Radar and Wireless Communications (MIKON), 2012 19th International Conference on, 2012, pp. 112–115.

Towards monolithically integrated CMOS cameras for active imaging with 600 GHz radiation
S. Boppel, A. Lisauskas, V. Krozer, and H. G. Roskos
in Proc. SPIE 8261, Terahertz Technology and Applications V, 2012, p. 826106.

CMOS detector arrays in a virtual 10-kilopixel camera for coherent terahertz real-time imaging
S. Boppel, A. Lisauskas, A. Max, V. Krozer, and H. G. Roskos
Optics Lett., vol. 37, no. 4, p. 536, Feb. 2012.

CMOS Integrated Antenna-Coupled Field-Effect Transistors for the Detection of Radiation From 0.2 to 4.3 THz
S. Boppel, A. Lisauskas, M. Mundt, D. Seliuta, L. Minkevicius, I. Kasalynas, G. Valusis, M. Mittendorff, S. Winnerl, V. Krozer, and H. G. Roskos
IEEE Transactions on Microwave Theory and Techniques, vol. 60, no. 12, pp. 3834–3843, Dec. 2012.

Detectors for terahertz multi-pixel coherent imaging and demonstration of real-time imaging with a 12x12-pixel CMOS array
A. Lisauskas, S. Boppel, M. Saphar, V. Krozer, L. Minkevi膷ius, R. Venckevi膷ius, D. Seliuta, I. Kašalynas, V. Tamoši奴nas, G. Valušis, and H. G. Roskos
in Proc. SPIE 8496, Terahertz Emitters, Receivers, and Applications III, 2012, p. 84960J–84960J–9.
 
Low frequency noise characterisation of biased silicon CMOS terahertz detectors
S. Pralgauskaite, J. Matukas, J. Vysniauskas, V. Kornijcuk, V. Palenskis, L. Minkevicius, G. Valusis, A. Lisauskas, S. Boppel, V. Krozer, and H. G. Roskos
2012, pp. 631–633.
 
Electric field distribution in biased GaAs microstructures with field-pinning layers
J. C. Schmidt, A. Lisauskas, H. G. Roskos, and N. V. Demarina
Superlattices and Microstructures, vol. 52, no. 6, pp. 1143–1154, Dec. 2012.
  
Effect of the Metallization on the Resonances of THz Fishnet Metamaterials
C. Sabah and H. G. Roskos
Journal of the European Optical Society Rapid Publications (JEOS:RP) 7 (2012) 12005

 Design of a terahertz polarization rotator based on a periodic sequence of chiral-metamaterial and dielectric slabs
C. Sabah and H. G. Roskos
Progress In Electromagnetics Research (PIER) 124 (2012) 301-314

Dual-band polarization-independent sub-terahertz fishnet metamaterial
C. Sabah and H. G. Roskos
Current Applied Physics 12 (2012) 443-450 (Available online 4 August 2011)

All-electronic terahertz imaging: Planar emitters and detectors at 220 GHz in CMOS technology
Lisauskas, B. Khamaisi, S. Boppel, M. Mundt, V. Krozer, E. Socher, and H. G. Roskos,
in Infrared, Millimeter, and Terahertz Waves (IRMMW-THz), 2012 37th International Conference on, 2012, pp. 1–1.

2011

Performance and performance variations of sub-1鈥匱Hz detectors fabricated with 0.15鈥卽m CMOS foundry process
S. Boppel, A. Lisauskas, V. Krozer, and H. G. Roskos
Electron. Lett., vol. 47, no. 11, p. 661, 2011 

Silicon CMOS-transistor-based detection up to 4.25 THz
S. Boppel, A. Lisauskas, D. Seliuta, L. Minkevicius, I. Kasalynas, G. Valusis, V. Krozer, and H. G. Roskos
presented at the IRMMW 2011, 2011, pp. 1–2 

THz Active Imaging Systems With Real-Time Capabilities
F. Friederich, W. von Spiegel, M. Bauer, F. Meng, M. D. Thomson, S. Boppel, A. Lisauskas, B. Hils, V. Krozer, A. Keil, T. Loffler, R. Henneberger, A. K. Huhn, G. Spickermann, P. H. Bolivar, and H. G. Roskos,
IEEE Trans. Terahertz Sci. Technol., vol. 1, no. 1, pp. 183–200, Sep. 2011 

Properties of the InGaAs bow-tie diode arrays for room temperature terahertz detection
I. Kasalynas, R. Venckevicius, L. Minkevicius, V. Tamosiunas, D. Seliuta, G. Valusis, A. Lisauskas, S. Boppel, H. G. Roskos, and K. Kohler
2011, pp. 1–2 

Silicon CMOS detectors and focal-plane arrays for THz radiation
A. Lisauskas, S. Boppel, V. Krozer, and H. G. Roskos
presented at the URSI GASS, Istanbul, 2011

Terahertz responsivity enhancement and low-frequency noise study in silicon CMOS detectors using a drain current bias
A. Lisauskas, S. Boppel, H. G. Roskos, J. Matukas, V. Palenskis, L. Minkevicius, G. Valusis, and P. Haring Bolivar
presented at the ICNF, 2011, pp. 297–300 

Experimental demonstration of efficient pulsed terahertz emission from a stacked GaAs/AlGaAs p-i-n-i heterostructure
A. Lisauskas, A. Reklaitis, R. Venckevic虒ius, I. Kas虒alynas, G. Valus虒is, G. Grigaliu虅naite虈–Vonsevic虒iene虈, H. Maestre, J. Schmidt, V. Blank, M. D. Thomson, H. G. Roskos, and K. Ko虉hler
Appl. Phys. Lett., vol. 98, no. 9, p. 091103, 2011 

Silicon CMOS-based THz detection
A. Lisauskas, S. Boppel, V. Krozer, and H. G. Roskos
presented at the IEEE-Sensors, 2011, pp. 55–58 

Terahertz heterodyne imaging with InGaAs-based bow-tie diodes
L. Minkevic虒ius, V. Tamos虒iu虅nas, I. Kas虒alynas, D. Seliuta, G. Valus虒is, A. Lisauskas, S. Boppel, H. G. Roskos, and K. Ko虉hler
Appl. Phys. Lett., vol. 99, no. 13, p. 131101, 2011

Strong Electric Field Driven Carrier Transport Non-Linearities in n-Type GaAs/AlGaAs Superlattices
L. Subacius, R. Venckevicius, I. Kasalynas, D. Seliuta, G. Valusis, J. Schmidt, A. Lisauskas, H. G. Roskos, K. N. Alekseev, and K. Köhler
Acta Phys. Pol. A, vol. 119, no. 2, pp. 167–169, Feb. 2011

Terahertz propagation properties of free-standing woven-steel-mesh metamaterials: Pass-bands and signatures of abnormal group velocities
C. Sabah, M. D. Thomson, F. Meng, S. Tzanova, and H. G. Roskos
Journal of Applied Physics 110 (2011) 064902

Performance and performance variations of sub-1 THz detectors fabricated with 0.15 µm CMOS foundry process
S. Boppel, A. Lisauskas, V. Krozer, and H. G. Roskos
Electron. Letters 47 (2011) 661-662

Experimental demonstration of efficient pulsed terahertz emission from a stacked GaAs/AlGaAs p-i-n-i heterostructure
A. Lisauskas, A. Reklaitis, R. Venckevicius, I. Kasalynas, G. Valusis, G. Grigaliunaite-Vonseviciene, H. Maestre, J. Schmidt, V. Blank, M. D. Thomson, H. G. Roskos, and K. Köhler
Appl. Phys. Lett. 98 (2011) 091103

Strong Electric Field Driven Carrier Transport Non-Linearities in n-Type GaAs/AlGaAs Superlattices
L. Subacius, R. Venckevicius, I. Kasalynas, D. Seliuta, G. Valusis, J. Schmidt, A. Lisauskas, H. G. Roskos, K. Alekseev, and K. Köhler
Acta Phys. Polonica A 119 (2011) 167-169

Numerical and experimental investigation of fishnet-based metamaterial in a X-band waveguide
C Sabah and H G Roskos
Journal of Physics D: Applied Physics 44 (2011) 255101

2010

Terahertz heterodyne detection with silicon field-effect transistors
D. Glaab, S. Boppel, A. Lisauskas, U. Pfeiffer, E. O虉jefors, and H. G. Roskos, 
Appl. Phys. Lett., vol. 96, no. 4, p. 042106, 2010.

Terahertz white-light pulses from an air plasma photo-induced by incommensurate two-color optical fields
M. D. Thomson, V. Blank, and H. G. Roskos
Opt. Express, 18 (2010) 23173–23182.

 Redox-Active Ferrocenylboronium Polyelectrolytes with Main Chain Charge-Transfer Structure
 C. Cui, J. Heilmann-Brohl, A. Sanchez Perucha, M. D. Thomson, H. G. Roskos, M. Wagner, and F. Jäkle
 Macromolecules, 43 (2010) 5256–5261.

Coherent electro-optical detection of terahertz radiation from an optical parametric oscillator
Opt. Express, 18 (2010) 11316-11326.

Terahertz heterodyne detection with silicon field-effect transistors
D. Glaab, S. Boppel, A. Lisauskas, U. Pfeiffer, E. Öjefors, and H. G. Roskos
ppl. Phys. Lett. 96 (2010) 042106
 

2009

Magnetic-field-enhanced transient and stationary drift currents of oscillating Bloch electrons in superlattices and limits of average-particle description in relation to Monte Carlo simulations
N. V. Demarina, E. Mohler, A. Lisauskas, and H. G. Roskos
Phys. Rev. B 80 (2009) 245307

Characterizing large-area electro-optic crystals toward two-dimensional real-time terahertz imaging
F. Meng, M. D. Thomson, V. Blank, W. von Spiegel, T. Löffler, and H. G. Roskos
Appl. Opt., 48 (2009) 5197-5204.

A CMOS focal-plane array for heterodyne terahertz imagingU. Pfeiffer, E. Öje­fors, A. Lisauskas, D. Glaab, and H. G. Roskos,
Proc. IEEE RFIC Symposium 2009, (2009) 433-436.

Terahertz imaging with Si MOSFET focal-plane arrays
A. Lisauskas, D. Glaab, H. G. Roskos, E. Öjefors, and U. R. Pfeiffer,
Proc. SPIE, 7215 (2009) 72150J.

Quasioptical system design
C. am Weg, W. von Spiegel, R. Henneberger, R. Zimmermann, T. Löffler, and H. G. Roskos,
Proc. SPIE, 7215 (2009) 72150R.

Fast active THz camera with range detection by frequency modulation
C. am Weg, W. von Spiegel, R. Henneberger, R. Zimmermann, T. Löffler, and H. G. Roskos,
Proc. SPIE, 7215 (2009)  72150F.

Fast Active THz Cameras with Ranging Capabilities
C. am Weg, W. von Spiegel, R. Henneberger, R. Zim­mer­mann, T. Löffler, and H. G. Roskos,
Journal of Infrared, Millimeter and Terahertz Waves, 30 (2009) 1281-1296.

Terahertz imaging detectors in CMOS technology
E. Öjefors, A. Lisauskas, D. Glaab, H. G. Roskos, and U. R. Pfeiffer
Journal of Infrared, Millimeter and Terahertz Waves, 30 (2009) 1269-1280.

A 0.65 THz focal-plane array in a quarter-micron CMOS process technology
E. Öjefors, U. Pfeiffer, A. Lisauskas, and H. G. Roskos,
IEEE J. Solid State Circuits, 44 (2009) 7-15.

Rational design of high-responsivity detectors of THz radiation based on distri­buted self-mixing in silicon CMOS transistors
A. Lisauskas, U. Pfeiffer, E. Öje­fors, P. Haring Bolívar, D. Glaab, and H. G. Roskos,
J. Appl. Phys., 105 (2009) 114511.

Synthesis, Structure, Photoluminescence and Photoreactivity of 2,3-Diphenyl-4-neopentyl-1-silacyclobut-2-enes
D. Yan, M. D. Thomson, M. Backer, M. Bolte, R. Hahn, R. Berger, W. Fann, H. G. Roskos, N. Auner,
Chemistry – A European Journal, 15 (2009) 8625-8645.

2008

Opportunities for silicon at mm-wave and terahertz frequencies (invited)
U. R. Pfeiffer, E. Öje­fors, A. Lisauskas, and H. G. Roskos,
IEEE BCTM Proceedings (Proc. of the 2008 bipolar/BICMOS circuits and technology meeting), (2008) 149-156.

Terahertz profilometry at 600 GHz with 0.5 μm depth resolution
B. Hils, M. D. Thomson, T. Löffler, W. von Spiegel, C. am Weg, H. G. Roskos, P. de Maagt, D. Doyle, and R. D. Geckeler,
Optics Express, 16, (2008) 11289-11293.

Examining the terahertz signal from a photoexcited biased semiconductor superlattice for evidence of gain
A. Lisauskas, M. M. Dignam, N. V. Demarina, E. Mohler, and H. G. Roskos,
Appl. Phys. Lett., 93 (2008) 021122.

Diagnosing water content in paper by terahertz radiation
D. Banerjee, W. von Spiegel, M. D. Thomson, S. Schabel, and H. G. Roskos,
Optics Express, 16 (2008) 9060-9066.

Electron ensemble coherence and terahertz radiation amplification in a cascade superlattice structure
N. V. Demarina, A. Lisauskas, and H. G. Roskos,
Micro­electronics Journal, 39 (2007) 624-627.

Terahertz imaging with GaAs field-effect transistors
A. Lisauskas, W. von Spiegel, S. Boubanga-Tombet, A. El Fatimy, D. Coquillat, F. Teppe, N. Dyakonova, W. Knap, and H. G. Roskos
Electron. Letters, 44 (2008) 408-409.

Berührungsfreie Prüfung von Materialoberflächen mit THz-Strahlung / Contactless testing of the surfaces of materials
B. Hils, W. von Spiegel, T. Löffler, and H. G. Roskos,
Technisches Messen, 75 (2008) 45-50.

Concept of internal mixing in semiconductor lasers and optical amplifiers for room-temperature generation of tunable continuous terahertz waves
A. Lisauskas, M. Dias, S. Belz, R. Sachs, M. Feiginov, and H. G. Roskos,
Physica E, 40 (2008) 1968-1970.

Few-cycle laser pulses: The carrier-envelope phase, its role in the THz emission from laser-generated plasmas and a new way to measure it
M. Kreß, T. Löffler, M. D. Thomson, R. Dörner, H. Gimpel, K. Zrost, T. Ergler, R. Moshammer, U. Morgner, J. Ullrich, and H. G. Roskos,
Acta Physica Polonica, 113 (2008) 769-776.

2007

Broadband THz emission from gas plasmas induced by femtosecond optical pulses: From fundamentals to applications
M. D. Thomson, M. Kreß, T. Löffler, and H. G. Roskos,
Laser & Photon. Rev. 1, No. 4 (2007) 349–368.

Carrier-density dependence of the exchange coupling between magnetic ions and conduction band electrons in heavily n-type Zn(1-x)MnxSe and optically pumped Cd(1-x)MnxTe
M. Lentze, P. Grabs, J. Geurts, K. Rönnburg, E. Mohler, and H. G. Roskos,
Int. J. Mod. Phys. B, 21, (2007) 1632–1637.

Interaction of optically created electron ensemble with terahertz radiation in a short semiconductor superlattice
N. V. Demarina, A. Lisauskas, and H. G. Roskos,
Physics, Chemistry and Application of Nanostructures: Review and short notes, 2007 (Proc. of Nanomeeting 2007, May 22-25, Minsk, Byelarus), p. 200-203.

Radiation field screening in photoconductive antennas studied via pulsed terahertz emission spectroscopy
G. C. Loata, M. D. Thomson, T. Löffler, and H. G. Roskos,
Appl. Phys. Lett., 91, 232506 (2007).

All-optoelectronic terahertz imaging systems and examples for their application
T. Löffler, K. J. Siebert, N. Hasegawa, T. Hahn, and H. G. Roskos,
Proc. IEEE., 95, 1576-1582 (2007).

Towards an active real-time THz camera: First realization of a hybrid system
T. May, C. am Weg, A. Alcin, B. Hils, T. Löffler, and H. G. Roskos,
SPIE Proc., 6549, 654907 (2007).

Towards superlattice terahertz amplifiers and lasers
A. Lisauskas, E. Mohler, H. G. Roskos, and N. V. Demarina, NATO ASI, eds. R. E. Miles et al.,
Terahertz Frequency Detection and identification of materials and objects, Springer (2007) 31-40.

Concept of internal mixing in semiconductor lasers and optical amplifiers for room-temperature generation of tunable continuous terahertz waves
A. Lisauskas, M. Dias, S. Belz, H. G. Roskos, and M. Feiginov
J. Nanoelectron. Optoelectron, 2 (2007) 1-10.

Continuous-wave terahertz imaging with a hybrid system
Torsten Löffler, Thilo May, Christian am Weg, Ali Alcin, Bernd Hils, and Hartmut G. Roskos
Appl. Phys. Lett.90 (2007), 091111

Evidence for long-living charge carriers in electrically biased low-temperature-grown GaAs photoconductive switches
Gabriel C. Loata, Torsten Löffler, and Hartmut G. Roskos
Appl. Phys. Lett.90 (2007), 052101

Characterization of Fe(II) complexes exhibiting the ligand-driven light-induced spin-change effect using SQUID and magnetic circular dichroism
J. Kolb, M. D. Thomson, M. Novosel, K. Sénéchal, E. Rivière, M.-L. Boillot, and H. G. Roskos,
Comptes Rendus Chimie, 10 (2007) 125-136.

2006

Comment on "Dispersive terahertz gain of a nonclassical oscillator: Bloch oscillation in semiconductor superlattices"
A. Lisauskas, N. Demarina, E. Mohler, and H. G. Roskos
cond-mat/0605651

Silicon lens-coupled bow-tie InGaAs-based broadband terahertz sensor operating at room temperature
D. Seliuta, I. Kasalynas, V. Tamošiunas, SS. Balakauskas, Z. Martunas, S. Ašmontas, G. Valušis, A. Lisauskas, H. G. Roskos, and K. Köhler,
Electron. Lett 42 (2006), 825-827

Ballistic transport in semiconductor nanostructures: From quasi-classical oscillations to novel THz-emitters: Silicon lens-coupled bow-tie InGaAs-based broadband terahertz sensor operating at room temperature
G. H. Döhler, M. Eckardt, A. Schwanhäußer, F. Renner, S. Malzer, S. Trumm, M. Betz, F. Sortier, A. Leitenstorfer, G. Loata, T. Löffler, and H. Roskos, T. Müller, K. Unterrainer, D. Driscoll, M. Hanson, and A. C. Gossard,
Pramana Journal of Physics 67 (2006), 199-205

Determination of the carrier-envelope phase of few-cycle laser pulses with terahertz-emission spectroscopy
M. Kreß, T. Löffler, M. D. Thomson, R. Dörner, H. Gimpel, K. Zrost, T. Ergler, R. Moshammer, U. Morgner, J. Ullrich, and H. G. Roskos,
Nature Physics 2 (2006), 327-331

Generation of a DC Fiske current by coupling of Bloch and in-plane cyclotron oscillations in a semiconductor superlattice
Y. A. Kosevich, A. B. Hummel, H. G. Roskos, and K. Köhler,
phys. stat. sol. b 243 (2006), 2405

The coherent Hall Effect of charge carriers in a superlattice: semiclassical descrip¬tion of the wavepacket dynamics
A. B. Hummel, T. Bauer, E. Mohler, and H. G. Roskos,
J. Phys.: Condens. Matter 18 (2006), 2487-2509

Time-resolved photocurrent spectroscopy of optically excited superlattices and the prospects for Bloch gain
A. Lisauskas, N. Demarina, C. Blöser, R. Sachs, A. Juozapavicius, G. Valušis, K. Köhler, and H. G. Roskos,
Proc. SPIE 6118 - Ultrafast phenomena in semiconductors and nanostructure materials (2006) 611810, (11 pages)

Ultrafast Fiske effect in semiconductor superlattices
Y. A. Kosevich, A. B. Hummel, H. G. Roskos, and K. Köhler,
Phys. Rev. Lett. 96 (2006), 137403

Motional-narrowing-type dephasing of electron and hole spins in of itinerant excitons in magnetically doped II-VI bulk semiconductors
K. Rönnburg, E. Mohler, H. G. Roskos, K. Ortner, C. R. Becker, L. W. Molenkamp,
Phys. Rev. Lett. 96 (2006), 117203

2005

Terahertz surface and interface characterization
T. Löffler, K. J. Siebert, N. Hasegawa, T. Hahn, G. Loata, R. Wipf, M. Kreß, M. Thomson, and H. G. Roskos,
Microwave Symposium Digest 2005 IEEE-MTT-S International, 633-636

Large-area electro-optic ZnTe terahertz emitters
T. Löffler, T. Hahn, M. Thomson, F. Jacob, and H. G. Roskos,
Opt. Express 13 (2005), 5353-5362

Electro-optic investigation of the Coherent Hall Effect in semiconductor superlattices,
A. B. Hummel, C. Blöser, T. Bauer, H.G. Roskos, Yu. A. Kosevich, and K. Köhler,
phys. stat. sol. (b) 242 (2005) 1175-1178

Spin-conserving carrier recombination in conjugated polymers,
M. Reufer, M. J. Walter, P. G.Lagoudakis, A. B. Hummel, J. S. Kolb, H. G. Roskos, U. Scherf and J. M. Lupton,
Nature Materials 4 (2005) 340-346

Efficient Terahertz Pulse Generation in Laser-Induced Gas Plasmas,
T. Löffler, M. Kreß, M. Thomson and H.G. Roskos,
Appl. Phys. Lett. 86 (2005) 102103-102105

Photonic THz technology,
A. Lisauskas, T. Löffler, and H. G. Roskos,
Editorial to the special edition of Semicond. Sci. Technol. 20 July 2005

Comparative performance of terahertz emitters in amplifier-laser-based systems,
T. Löffler, M. Kreß, M. Thomson, T. Hahn, N. Hasegawa, and H. G. Roskos,
Semicond. Sci. Technol. 20 (2005) S134-141

THz-photomixer based on quasi-ballisitc transport,
G. H. Döhler, F. Renner, O. Klar, M. Eckardt, A. Schwanhäußer, S. Malzer, D. Driscoll, M. Hanson, A. C. Gossard, G. Loata, T. Löffler, and H. Roskos,
Semicond. Sci Technol. . 20 (2005) S178-190

THz-emitter based on ballistic transport in nano-pin diodes,
F. Renner, M. Eckardt, A. Schwanhäußer, O. Klar, S. Malzer, G. H. Döhler, G. Loata, T. Löffler, H. Roskos, M. Hanson, D. Driscoll, and A. C. Gossard
phys.stat. sol. (a) 202 (2005) 965-969

Time-resolved photocurrent spectroscopy of the evolution of the electric field in optically excited superlattices and the prospects for Bloch gain,
A. Lisauskas, C. Blöser, R. Sachs, H. G. Roskos, A. Juozapavicius, G. Valušis, and K. Köhler,
Acta Physica Polonica (A) 107 99 (2005)

Ultrafast optical and magneto-optical dynamics in colossal-magnetoresistance (CMR) manganites,
V. Dorosinets, P. Richter, G. Jakob, and H.G.Roskos,
Acta Physica Polonica (A) 107 (2005) 211-214

Broad band THz sensing by 2DEG bow-tie-type diodes,
G. Valušis, D. Seliuta, V. Tamošiunas, E. Širmulis, S. Balakauskas, J. Gradauskas, A. Sud啪iedelis, S. Ašmontas, T. Anbinderis, A. Narkunas, I. Papsujeva, A. Lisauskas, H. G. Roskos, and K. Köhler,
Acta Physica Polonica (A) 107 (2005) 184-187

Dynamics of the electric field in a GaAs/AlGaAs superlattice after femtosecond optical excitation: application of time-resolved spectroscopic techniques,
A. Lisauskas, C. Blöser, R. Sachs, H. G. Roskos, A. Juozapavicius, G. Valušis, and K. Köhler,
Acta Physica Polonica (A) 107 (2005) 250-255

Picosecond energy relaxation in La0.67Ca0.33MnO3,
V. Dorosinets, P. Richter, E. Mohler, H. G. Roskos, and G. Jakob,
Physica B 359-361 (2005) 1297-1299

The evolution of the electric field in an optically excited semiconductor superlattice,
A. Lisauskas, C. Blöser, A. B. Hummel, R. Sachs, H. G. Roskos, A. Juozapavicius, G. Valusis, and K. Köhler,
phys. stat. sol. (c) 2 (2005) 3055-3058

2004

Kurze Wellen, lange Wellen, Terawellen,
H. G. Roskos and T. Löffler,
Forschung Frankfurt 3-4 45-48 (2004)

Electronic structure, photophysics and relaxation dynamics of charge transfer excited states in boron- nitrogen bridged organometallic compounds,
M. Thomson, M. Novosel, H. G. Roskos,, T. Müller, M. Scheibitz, M. Wagner, F. Fabrizi de Biani, P. Zanello,
J. Phys. Chem. A 108 3281 (2004)

On the way to "optical doping" of electronically low-dimensional polymer systems with strong charge and spin correlations,
M. Thomson, H. G. Roskos, M. Wagner,
Appl. Phys. A 78 477 (2004)

A New THz-Photomixer Based On a n-i-p-n Doping Superlattice,
G. Loata, T. Löffler, H.G. Roskos, F.H. Renner, O. Klar, M. Eckardt, A. Scwanhäußler, G.H. Döhler, D. Driscoll, M. Hansen, A.C. Gossard, V. Krozer,
International Conference on Infrared and Millimeter Waves (2004) 495

Optical far-IR wave generation - state-of-the-art and advanced device structures,
V. Krozer, B. Leone, H. G. Roskos, T. Löffler, G. Loata, G. H. Dohler, F. Renner, S. Eckardt, S. Malzer, A. Schwanhäußler, T. O. Klaassen, A. Adam, P. Lugli, A. Di Carlo, M. Manenti, G. Scamarcio, M. S. Vitiello, and M. Feiginov,
Proc. SPIE Int. Soc. Opt. Eng. 178 (2004) 5466

Detection of THz/subTHz radiation by asmmetricallly-shaped 2DEG layers,
Seliuta, E. Sirmulis, V. Tamosiunas, S. Balakauskas, A. Suziedelis, J. Gradauskas, G. Valusis, A. Lisauskas, H.G. Roskos and K. Köhler,
Electr. Lett. 40 No. 10 (2004) 631-632

All-optoelectronic continuous-wave terahertz systems,
Löffler, K. J. Siebert, H. Quast, N. Hasegawa, G. Loata, R. Wipf, T. Hahn, M. Thomson, R. Leonhardt, and H. G. Roskos,
The Royal Society: Philosophical Transactions, 362 (2004) 263 - 281

Mode Calculations for a Terahertz Quantum Cascade Laser,
R. Sachs and H. G. Roskos,
Optics Express, 12 (2004) 2062

Field screening in low-temperature-grown GaAs photoconductive antennas,
K. J. Siebert, A. Lisauskas, T. Löffler, H. G. Roskos,
Jap. J. Appl. Phys., 43 (2004) 1038

Terahertz-pulse generation by photoionisation of air with laser pulses composed of both fundamental and second-harmonic wave,
M. Kreß, T. Löffler, S. Eden,, M. Thomson and H. G. Roskos,
Optics Letters, 29 (2004) 1120

2003

2002 

Efficient THz-emitter for low-temperature-grown GaAs photomixers,
C. Sydlo, J. Sigmund, G. Loata, K. J. Siebert, H. G. Roskos, and H. L. Hartnagel,
Proceeding of THz 2002, Cambridge

Asymmetrically-shaped diodes for microwav - submillimeter sensing,
S. Asmontas, L. ardaravicius, S. Balakauskas, J. Gradauskas, A Kozic, J. Kundrotas, K. Köhler, H. G. Roskos, R. Sachs, A. Sudziedelis, D. Sirmulis, and G. Valusis,
Proc. 26th Intern. Conf. on the Physics of Semiconductors, ICPS-26, paper D-240

The Coherent Hall Effect: Evolution of the hall current of charge-carrier wavepackets in a semiconductor superlattice,
T. Bauer, J. S. Kolb, A. B. Hummel, H. G. Roskos, Y. A. Kosevich and K. Köhler,
Proc. 26th Intern. Conf. on the Physics of Semiconductors, ICPS-26, paper N2-3

Terahertz dielectric response of a moving electron gas,
R. Sachs, L. A. Banyai, E. Mohler, K. Köhler, and H. G. Roskos,
Proc. 26th Intern. Conf. on the Physics of Semiconductors, ICPS-26, paper P-172

Effects of frequency on image quality in terahertz pulsed images,
A. J. Fitzgerald, E. Dzontoh, T. Löffler, K. J. Siebert, E. Berry, N. N. Zinovev, R. E. Miles, M. A. Smith und M. Chamberlain,
Proceedings of SPIE Medical Imaging, San Diego

All-optoelectronic CW THz imaging for tumor recognition,
K. J. Siebert, T. Löffler, H. Quast, R. Leonhardt, M. Thomson, T. Bauer, H. G. Roskos, and S. Czasch,
Ulrafast Phenomena XIII, Springer Verlag

The Hall current of coherent electron wavepackets,
T. Bauer, A. B. Hummel, J. S. Kolb, H. G. Roskos, Y. A. Kosevich and K. Köhler,
Ulrafast Phenomena XIII, Springer Verlag

Thz generation by third-order non-linearities in air and air-plasmas,
T. Löffler, S. Eden, M. Thomson, and H. G. Roskos,
Ulrafast Phenomena XIII, Springer Verlag

Indium-Tin-Oxide-Coated Glass as Dichroic Mirror for Far-Infrared Electromagnetic Radiation,
T. Bauer, J.S. Kolb, T. Löffler, E. Mohler, and H. G. Roskos,
J. of Appl. Phys. 92 (2002) 2210

Investigation of tumor recognition by terahertz dark--field imaging,
T. Löffler, T. Bauer, K. J. Siebert, H. G. Roskos, A. Fitzgerald und S. Czasch,
OSA Trends in Optics and Photonics (TOPS), CLEO 2002, Postconference Edition, CWJ1 p. 405

Continuous-wave all-optoelectronic terahertz imaging,
K. J. Siebert, H. Quast, R. Leonhardt, T. Löffler, M. Thomson, T. Bauer, H. G. Roskos, and S. Czasch,
Appl. Phys. Lett. 80 (2002) 3003-3006

Visualization and classification in biomedical terahertz pulsed imaging,
Torsten Löffler, Karsten Siebert, Stephanie Czasch, Tobias Bauer, Hartmut G. Roskos,
Phys. Med. Bio. 47 21 (2002) 3847

All-optoelectronic CW THz imaging for biomedical applications,
K. Siebert, T. Löffler, H. Quast, M. Thomson, T. Bauer, R. Leonhardt, S. Czasch, H. G. Roskos,
Phys. Med. Bio. 47 21 (2002) 3743

Free-carrier dynamics in low-temperature-grown GaAs at high excitation densities investigated by time-domain THz spectroscopy,
G. Segschneider, F. Jacob, T. Löffler, H. G. Roskos, S. Tautz, P. Kiesel, G. Döhler,
Physical Review B 65 (2002) 125205

Gas-pressure dependence of terahertz-pulse generation in a laser-generated nitrogen plasma,
T. Löffler, H. Roskos,
Journal of Applied Physics 91 (2002) 2611

Coherent Hall Effect in a Semiconductor Superlattice,
T. Bauer, J. Kolb, A. B. Hummel, H. G. Roskos, Y. Kosevich and K. Köhler,
Physical Review Letters 88 8 (2002) 086801

2001 

Photoconductivity of regular low-dimensional arrays of GaAs wires,

V. K. Ksenevich, G. Valusis, H. G. Roskos, and V. A. Samuilov,
Ultrafast Phenomena in Semiconductors, Materials Science Forum Vols. 384-385, Trans Tech Publications Ltd., p. 87-90.

Magnetotransport in low-dimensional honeycomb-shaped GaAs networks,
V. K. Ksenevich, J. Galibert, H. G. Roskos, and V. A. Samuilov,
Ultrafast Phenomena in Semiconductors, Materials Science Forum Vols. 384-385, Trans Tech Publications Ltd., p. 59-62.

GHz-THz detection by asymmetrically-shaped GaAs: bulk material versus nanostructures,
G. Valusis, R. Sachs, H. G. Roskos, A. Sudziedelis, J. Gradauskas, S. Asmontas, E. Sirmulis, and K. Köhler,
Ultrafast Phenomena in Semiconductors, Materials Science Forum Vols. 384-385, Trans Tech Publications Ltd., p. 193-196.

Very-broad frequency band detector based on asymmetrically-necked n-n^+-GaAs structures,
A. Sudziedelis, J. Gradauskas, S. Asmontas, G. Valusis, and H. G. Roskos,
submitted to J. Appl. Phys.

Dynamics of Mobile Carriers in LT-GaAs at High Excitation Densities,
G. Segschneider, H. G. Roskos, S. Tautz, P. Kiesel, G. Döhler,
Proceedings of the 3rd Symposium On Non-Stoichiometric III-V Compounds (2001) pp. 61-6

Continous-Wave THz Imaging with Photoconducitve LT-GaAs Antennae,
R. Leonhardt, K. J. Siebert, H. Quast, T. Löffler, M. Thomson, H. G. Roskos,
Proceedings of the 3rd Symposium On Non-Stoichiometric III-V Compounds (2001) pp. 25-30

Experimental evidence for electron repulsion in multiphoton double ionization,
M. Weckenbrock, M. Hattass, A. Czasch, O. Jagutzki, L. Schmidt, T. Weber, H. Roskos, t. Löffler, M. Thomson, R. Dörner,
Journal of Physics B 34 (2001) L449-55

Potential medical applications of THz imaging,
J. Handley, A. Fitzgerald, T. Löffler, K. J. Siebert, E. Berry and R. Boyle,
Proceedings of Medical Imaging Understanding and Analysis, Birmingham

Terahertz dark-field imaging of biomedical tissue,
T. Löffler, T. Bauer, K. Siebert, H. Roskos, A. Fitzgerald, S. Czasch,
Optics Express, Vol. 9, No. 12, (2001) pp. 616,

Optical Determination of the oxygen content YBa2Cu3O6+x thin film by IR reflectance and transmittance measurements,
P. Richter, M. Kreß, E. Mohler, H.G. Roskos, G. Jakob, H. Adrian,
Physica C 366/1 (2001) pp. 63-72

Perspectives of continuous-wave optoelectronic THz imaging,
K. J. Siebert, H. Quast, and H. G. Roskos, in ASI Proceedings,
Series E, New Directions in Terahertz Technology, ed. J. M. Chamberlain and R. E. Miles, NATO Science Series, II. Vol. 27, Terahertz Sources and Systems, ed. R.E. Miles, P. Harrison and D. Lippens, Kluwer Academic Publishers, NATO ASI Series, 2001, p. 127-143.

2000

CW-THz generation using a two-color Ti:Sapphire laser,
K. J. Siebert, H. Quast und H. G. Roskos,
Proceedings of International THz Workshop 2000, p. 24, Sandbjerg / DK

Observation of THz oscillations and efficient THz emission from contacted low temperature grown GaAs structures,
C. Steen, S. Tautz, P. Kiesel, S.U. Dankowski, G. H. Döhler, U.D. Keil, G. Segschneider, K. Siebert, H. G. Roskos and V. Krozer,
Proceedings of THz 2000, Darmstadt, p. 59-62, VDE Verlag

An optoelectronic cw THz source for imaging applications,
K. Siebert, G. Segschneider, H. Quast, H. G. Roskos, S. Tautz, P. Kiesel, G. Döhler, and V. Krozer,
Proceedings of THz 2000, Darmstadt, p. 213-215, VDE Verlag

Electrical detection of THz frequencies by asymmetrically shaped n-n+- GaAs diodes,
A. Suziedelis, J. Gradauskas, S. Asmontas, G. Valusis, and H. G. Roskos,
Proceedings of THz 2000, Darmstadt, p. 241-243, VDE Verlag

A two-color Ti:sapphire laser for cw THz generation,
K. J. Siebert, F. Siebe, R. Leonhardt und H. G. Roskos,
OSA Trends in Optics and Photonics (TOPS), CLEO 2000, Postconference Edition, p. 497

THz generation by photo-ionization of electrically biased air,
T. Löffler, F. Jacob, and H. G. Roskos,
Ultrafast Phenomena X, Springer Series in Chemical Physics, Vol. 66, Springer Verlag, Berlin

Generation of terahertz pulses by photo-ionization of air,
T. Löffler, F. Jacob, and H. G. Roskos,
Appl. Phys. Lett. 77 (2000) pp. 453-5

Evolution of the energy levels of a GaAs/AlGaAs superlattice under the influence of a strong magnetic field,
T. Bauer, A.B. Hummel, H. Roskos, K.Köhler,
Physica E 7 (2000) pp. 289-93

Overview on time-domain terahertz spectroscopy and its applications in atomic and semiconductor physics,
H. G. Roskos,
Physica Scripta T86 (2000) pp. 51-4

1999

Advances in continous-wave THz generation,

K. Siebert, F. Siebe, M. Thomson, J. Zare.Baghbidi, R. Leonhardt, H. Roskos,
SPIE Proceedings, 3828, Terahertz Spectroscopy and Applications II (1999) pp. 234-43

A fully tunable dual-color cw Ti:Al2O3 laser,
F. Siebe, K. Siebert, R. Leonhardt, H. Roskos,
IEEE Journal of Quantum Electronics, JQE-35, no. 11 (1999) pp. 1731-6

1997

Fresh insights into electron oscillations,
H. Roskos,
Physics World 10 (1997) pp. 24-5

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