Publications
We aim at publishing our original research results in the best international optics journals. Below is a list of our papers published in peer-reviewed, ISI-indexed journals since 2005 when the THz group at DTU Fotonik was established.
Peer-reviewed journal publications
42 – A. Novitsky, A. Ivinskaya, M. Zalkovskij, R. Malureanu, P.U. Jepsen, and A.V. Lavrinenko, “Non-resonant THz field enhancement in periodically arranged nanoslits,” J. Appl. Phys. 112, 074318 (2012) 
41 – A. Novitsky, M. Zalkovskij, R. Malureanu, P.U. Jepsen, A.V. Lavrinenko, “Optical waveguide mode control by nanoslit-enhanced terahertz field,” Opt. Lett. 37, 3903-3905 (2012)
40 – J. D. Buron, D. H. Petersen, P. Bøggild, D. G. Cooke, M. Hilke, J. Sun, E. Whiteway, P. F. Nielsen, O. Hansen, A. Yurgens, and P. U. Jepsen, “Graphene Conductance Uniformity Mapping,” Nano Lett. 12, 5074 (2012)
39 - K. Iwaszczuk, A. Andryieuski, A. Lavrinenko, X. -C. Zhang, and P. Uhd Jepsen, “Terahertz field enhancement to the MV/cm regime in a tapered parallel plate waveguide,” Opt. Express 20, 8344 – 8355 (2012)
38 – D. G. Cooke, F. C. Krebs, and P. U. Jepsen, “Direct Observation of Sub-100 fs Mobile Charge Generation in a Polymer-Fullerene Film,” Phys. Rev. Lett. 108, 056603 (2012)
37 – M. Zalkovskij, C. Zoffmann Bisgaard, A. Novitsky, R. Malureanu, D. Savastru, A. Popescu, P. Uhd Jepsen, and A. V. Lavrinenko, “Ultrabroadband terahertz spectroscopy of chalcogenide glasses,” Appl. Phys. Lett. 100, 031901 (2012)
36 – K. Iwaszczuk, A. Strikwerda, K. Fan, X. Zhang, R. D. Averitt, and P. Uhd Jepsen, “Flexible metamaterial absorbers for stealth applications at terahertz frequencies,” Opt. Express 20, 635-643 (2012)
35 – H. Porte, D. Turchinovich, S. Persheyev, Y. Fan, M. J. Rose and P. Uhd Jepsen, “Effect of Copper on the Carrier Lifetime in Black Silicon,” J. Infrared Milli. Terahz. Waves 32, 883-886 (2011)
34 – K. Iwaszczuk, A. Andryieuski, A. Lavrinenko, X. -C. Zhang, and P. Uhd Jepsen, “Non-invasive terahertz field imaging inside parallel plate waveguides,” Appl. Phys. Lett. 99,07113 (2011)
33 – D. N. Erschens, D. Turchinovich, and P. Uhd Jepsen, “Optimized Optical Rectification and Electro-optic Sampling in ZnTe Crystals with Chirped Femtosecond Laser Pulses,” J. Infrared Milli. Terahz. Waves 32, 1371-1381 (2011)
32 - C. Larsen, D. G. Cooke, and M. Koch, “Finite-difference time-domain analysis of time-resolved terahertz spectroscopy experiments,” J. Opt. Soc. Am. B 28, 1308-1316 (2011)
31 - K. Nielsen, H. K. Rasmussen, P. Uhd Jepsen and O. Bang, “Porous-core honeycomb bandgap THz fiber,” Opt. Lett. 36, 666-668 (2011)
30 – P. Uhd Jepsen, “Nanomechanics: Terahertz radiation gets shaken up,” Nature Nanotechnol. 6, 79-80 (2011)
29 – P. Uhd Jepsen, D. G. Cooke, and M. Koch, “Terahertz spectroscopy and imaging – Modern techniques and applications,” Laser & Photon. Rev. 5, 124-166 (2011)
28 – K. Iwaszczuk, H. Heiselberg, and P. Uhd Jepsen, “Terahertz radar cross section measurements,” Opt. Express 18, 26399-26408 (2010)
27 – U. Møller, J. Riis Folkenberg, and P. Uhd Jepsen, “Dielectric properties of water in butter and water-AOT-heptane systems measured with terahertz time-domain spectroscopy,” Appl. Spectroscopy 64, 1028-1036 (2010)
26 – K. Nielsen, H. K. Rasmussen, P. Uhd Jepsen, and O. Bang, “Broadband terahertz fiber directional coupler,” Opt. Lett. 35, 2879-2881 (2010)
25 – V. Krozer, T. Loffler, J. dall, A. Kusk, F. Eichhorn, R. K. Olsson, J. D. Buron, P. Uhd Jepsen, V. Zhurbenko, and T. Jensen, “Terahertz Imaging Systems With Aperture Synthesis Techniques,” IEEE Trans. Microwave Theo. Techn. 58, 2027-2039 (2010)
24 – F. Eichhorn, R. K. Olsson, J. C. D. Buron, L. Grüner-Nielsen, J. Engholm Pedersen, and P. Uhd Jepsen, “Optical fiber link for transmission of 1-nJ femtosecond laser pulses at 1550 nm,” Opt. Express 18, 6978-6987 (2010)
23 – T. T. L. Kristensen, W. Withayacumnankul, P. Uhd Jepsen, and D. Abbott, “Modeling terahertz heating effects on water,” Opt. Express 18, 4727-4739 (2010)
22 – P. Uhd Jepsen and H. Merbold, ”Terahertz reflection spectroscopy of aqueous NaCl and LiCl solutions,” J. Infrared Milli. Terahz. Waves 31, 430-440 (2010)
21 – K. Iwaszczuk, D. G. Cooke, M. Fujiwara, H. Hashimoto, and P. Uhd Jepsen, “Simultaneous reference and differential waveform acquisition in time-resolved terahertz spectroscopy,” Opt. Express 17, 21969-21976 (2009)
20 – K. Takeya, C. Zhang, I. Kawayama, H. Murakami Hironaru, P. Uhd Jepsen, J. Chen, P. Wu, K. Ohgaki, and M. Tonouchi, “Terahertz Time Domain Spectroscopy for Structure-II Gas Hydrates,” Appl. Phys. Express 2, 122303 (2009)
19 – U. Møller, D. G. Cooke, K. Tanaka, and P. Uhd Jepsen, “Terahertz reflection spectroscopy of Debye relaxation in polar liquids [invited],” J. Opt. Soc. Am. B 19, A113-A125 (2009)
18 – H. P. Porte, P. Uhd Jepsen, N. Daghestani, E. U. Rafailov, and D. Turchinovich, “Ultrafast release and capture of carriers in InGaAs/GaAs quantum dots observed by time-resolved terahertz spectroscopy,” Appl. Phys. Lett. 94, 262104 (2009)
17 – D. G. Cooke and P. Uhd Jepsen, “Dynamic optically induced planar terahertz quasioptics,” Appl. Phys. Lett. 94, 241118 (2009)
16 – K. Nielsen, H. K. Rasmussen, A. J. L. Adam, P. C. M. Planken, O. Bang, and P. Uhd Jepsen, “Bendable, low-loss Topas fibers for the terahertz frequency range,” Opt. Express 17, 8592-8601 (2009)
15 – D. G. Cooke and P. Uhd Jepsen, “Time-resolved THz spectroscopy in a parallel plate waveguide”, Phys. Stat. Sol. A 206, 997-1000 (2009)
14 – D. G. Cooke and P. Uhd Jepsen, “Optical Modulation of Terahertz Pulses in a Parallel Plate Waveguide”, Opt. Express 16, 15123 (2008)
13 – P. Uhd Jepsen, J. K. Nielsen, and U. Møller, “Characterization of aqueous alcohol solutions in bottles with THz reflection spectroscopy”, Opt. Express 16, 9318 (2008)
12 – R. K. Olsson, T. V. Andersen, L. Leick, V. Levitan, P. Uhd Jepsen, and D. Turchinovich, “Femtosecond all-polarization-maintaining fiber laser operating at 1028 nm”, Proc. SPIE 7022, E221 (2008)
11 – P. Uhd Jepsen, U. Møller, and H. Merbold, “Investigation of aqueous alcohol and sugar solutions with reflection terahertz time-domain spectroscopy”, Opt. Express 15, 14717 (2007)
10 – P. Uhd Jepsen and S. J. Clark, “Precise ab-initio prediction of terahertz vibrational modes in crystalline systems”, Chem. Phys. Lett. 442, 275 (2007)
9 – B. M. Fischer, H. Helm, and P. Uhd Jepsen, “Chemical recognition with broadband THz spectroscopy“, Proc. IEEE 95, 1592-1604 (2007)
8 – P. Uhd Jepsen, B. M. Fischer, A. Thoman, H. Helm, J. Y. Suh, R. Lopez, and R. F. Haglund, Jr. “Metal-insulator phase transition in a VO2 thin film observed with terahertz spectroscopy”, Phys. Rev. B 74, 205103 (2006)
7 – D. Turchinovich and P. Uhd Jepsen, “Nonlinear excitation kinetics of biased quantum wells: Coherent dynamical screening effect”, Phys. Stat. Sol. C 3, 2494 (2006)
6 – B. M. Fischer, H. Helm, and P. Uhd Jepsen, “T-ray spectroscopy of biomolecules: from chemical recognition toward biochip analysis – horizons and hurdles”, Proc. SPIE 6038, 603809 (2006)
5 – D. Turchinovich, B. Monozon, and P. Uhd Jepsen, “Role of dynamical screening in excitation kinetics of biased quantum wells: Nonlinear absorption and ultrabroadband terahertz emission”, J. Appl. Phys. 99, 013510 (2006)
4 – S. Gorenflo, I. Hinkov, A. Lambrecht, B. Fischer, M. Hoffmann, H. Helm, and P. Uhd Jepsen, “Low-power terahertz time-domain spectroscopy with optimized electro-optical detection”, Technisches Messen 72, 430 (2005)
3 – B. Fischer, M. Hoffmann, R. Wilk, F. Rutz, T. Kleine-Ostmann, M. Koch, and P. Uhd Jepsen, “Terahertz time-domain spectroscopy and imaging of artificial RNA”, Opt. Express 13, 5205 (2005)
2 – B. Fischer and P. Uhd Jepsen, “Dynamic range in terahertz time-domain transmission and reflection spectroscopy”, Opt. Lett. 30, 29 (2005)
1 – B. Fischer, M. Hoffmann, G. Modjesch, and H. Helm, and P. Uhd Jepsen, “Chemical recognition in terahertz time-domain spectroscopy and imaging”, Semicond. Sci. Technol. 20, S246 (2005)