• Ørsteds Plads, 343, 014

    2800 Kgs. Lyngby

    Denmark

1993 …2023

Research output per year

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Research Output

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Journal article
2020

Wafer-scale graphene quality assessment using micro four-point probe mapping

Mackenzie, D. M. A., Kalhauge, K. G., Whelan, P. R., Østergaard, F. W., Pasternak, I., Strupinski, W., Bøggild, P., Jepsen, P. U. & Petersen, D. H., 2020, In : Nanotechnology. 31, 22, 8 p., 225709.

Research output: Contribution to journalJournal articleResearchpeer-review

Open Access
File
2019

Attenuation of THz Beams: A "How to" Tutorial

Kaltenecker, K. J., Kelleher, E., Zhou, B. & Jepsen, P. U., 2019, In : Journal of Infrared, Millimeter and Terahertz Waves. 40, 8, p. 878–904

Research output: Contribution to journalJournal articleResearchpeer-review

Non-contact mobility measurements of graphene on silicon carbide

Whelan, P. R., Zhao, X., Pasternak, I., Strupinski, W., Jepsen, P. U. & Bøggild, P., 2019, In : Microelectronic Engineering. 212, p. 9-12

Research output: Contribution to journalJournal articleResearchpeer-review

Phase Retrieval in Terahertz Time-Domain Measurements: a "how to" Tutorial

Jepsen, P. U., 2019, In : Journal of Infrared, Millimeter and Terahertz Waves. 40, 4, p. 395-411

Research output: Contribution to journalJournal articleResearchpeer-review

Open Access
File
2 Downloads (Pure)

Quantifying crystalline α-lactose monohydrate in amorphous lactose using terahertz time domain spectroscopy and near infrared spectroscopy

Warnecke, S., Wu, J. X., Rinnan, Å., Allesø, M., van den Berg, F. W. J., Jepsen, P. U. & Engelsen, S. B., 2019, In : Vibrational Spectroscopy. 102, p. 39-46

Research output: Contribution to journalJournal articleResearchpeer-review

Subcycle Nonlinear Response of Doped 4H Silicon Carbide Revealed by Two-Dimensional Terahertz Spectroscopy

Tarekegne, A. T., Kaltenecker, K. J., Klarskov, P., Iwaszczuk, K., Lu, W., Ou, H., Norrman, K. & Jepsen, P. U., 2019, In : ACS Photonics. 7, 1, p. 221-231

Research output: Contribution to journalJournal articleResearchpeer-review

Open Access
File
5 Downloads (Pure)

Terahertz spectroscopy from air plasmas created by two-color femtosecond laser pulses: The ALTESSE project

Bergé, L., Kaltenecker, K. J., Engelbrecht, S., Nguyen, A., Skupin, S., Merlat, L., Fischer, B., Zhou, B., Thiele, I. & Jepsen, P. U., 2019, In : EPL. 126, 2, 7 p., 24001.

Research output: Contribution to journalJournal articleResearchpeer-review

Open Access
File
46 Downloads (Pure)

Terahertz time-domain spectroscopy of zone-folded acoustic phonons in 4H and 6H silicon carbide

Tarekegne, A. T., Zhou, B., Kaltenecker, K., Iwaszczuk, K., Clark, S. & Jepsen, P. U., 2019, In : Optics Express. 27, 3, p. 3618-3628 11 p.

Research output: Contribution to journalJournal articleResearchpeer-review

Open Access
File
198 Downloads (Pure)

Wavelength scaling of terahertz pulse energies delivered by two-color air plasmas

Nguyen, A., Kaltenecker, K. J., Delagnes, J. C., Zhou, B., Cormier, E., Fedorov, N., Bouillaud, R., Descamps, D., Thiele, I., Skupin, S., Jepsen, P. U. & Bergé, L., 1 Jan 2019, In : Optics Letters. 44, 6, p. 1488-1491 4 p.

Research output: Contribution to journalJournal articleResearchpeer-review

Open Access
File
43 Downloads (Pure)
2018

Conductivity mapping of graphene on polymeric films by terahertz time-domain spectroscopy

Whelan, P. R., Huang, D., Mackenzie, D., Messina, S. A., Li, Z., Li, X., Li, Y., Booth, T. J., Jepsen, P. U., Shi, H. & Bøggild, P., 2018, In : Optics Express. 26, 14, p. 17748-17754

Research output: Contribution to journalJournal articleResearchpeer-review

Open Access
File
239 Downloads (Pure)

Electrical Homogeneity Mapping of Epitaxial Graphene on Silicon Carbide

Whelan, P. R., Panchal, V., Petersen, D. H., Mackenzie, D. M. A., Melios, C., Pasternak, I., Gallop, J., Østerberg, F. W., Jepsen, P. U., Strupinski, W., Kazakova, O. & Bøggild, P., 2018, In : A C S Applied Materials and Interfaces. 10, 37, p. 31641-31647

Research output: Contribution to journalJournal articleResearchpeer-review

Open Access
File
5 Downloads (Pure)

Quality assessment of terahertz time-domain spectroscopy transmission and reflection modes for graphene conductivity mapping

Mackenzie, D. M. A., Whelan, P. R., Bøggild, P., Jepsen, P. U., Redo-Sanchez, A., Etayo, D., Fabricius, N. & Petersen, D. H., 2018, In : Optics Express. 26, 7, p. 9220-9229

Research output: Contribution to journalJournal articleResearchpeer-review

Open Access
File
531 Downloads (Pure)

Terahertz emission from laser-driven gas plasmas: A plasmonic point of view

Thiele, I., Zhou, B., Nguyen, A., Smetanina, E., Nuter, R., Kaltenecker, K. J., Martínez, P. G. D. A., Déchard, J., Bergé, L., Jepsen, P. U. & Skupin, S., 2018, In : Optica. 5, 12, p. 1617-1622 6 p.

Research output: Contribution to journalJournal articleResearchpeer-review

Open Access
File
161 Downloads (Pure)
2017

120 Gb/s Multi-Channel THz Wireless Transmission and THz Receiver Performance Analysis

Jia, S., Yu, X., Hu, H., Yu, J., Morioka, T., Jepsen, P. U. & Oxenløwe, L. K., 2017, In : IEEE photonic Technology Letters. 29, 3, p. 310-13

Research output: Contribution to journalJournal articleResearchpeer-review

Open Access
File
444 Downloads (Pure)

Impact ionization dynamics in silicon by MV/cm THz fields

Tarekegne, A. T., Hirori, H., Tanaka, K., Iwaszczuk, K. & Jepsen, P. U., 2017, In : New Journal of Physics. 19, 12, 8 p., 123018.

Research output: Contribution to journalJournal articleResearchpeer-review

Open Access
File
310 Downloads (Pure)

Insights on the Side Panels of the Franciscan Triptych by Fra Angelico Using Terahertz Time-Domain Imaging (THz-TDI)

Dandolo, C. L. K., Picollo, M., Cucci, C., Ginanni, M., Prandi, E., Scudieri, M. & Jepsen, P. U., 2017, In : Journal of Infrared, Millimeter and Terahertz Waves. 38, 4, p. 413-424

Research output: Contribution to journalJournal articleResearchpeer-review

Inspection of Asian Lacquer Substructures by Terahertz Time-Domain Imaging (THz-TDI)

Dandolo, C. L. K., Fukunaga, K., Kohzuma, Y., Kiriyama, K., Matsuda, K. & Jepsen, P. U., 2017, In : Journal of Infrared, Millimeter and Terahertz Waves. 38, 4, p. 425–434

Research output: Contribution to journalJournal articleResearchpeer-review

Robust mapping of electrical properties of graphene from terahertz time-domain spectroscopy with timing jitter correction

Whelan, P. R., Iwaszczuk, K., Wang, R., Hofmann, S., Bøggild, P. & Jepsen, P. U., 2017, In : Optics Express. 25, 3, 8 p., 2725.

Research output: Contribution to journalJournal articleResearchpeer-review

Open Access
File
247 Downloads (Pure)

Sputtering an exterior metal coating on copper enclosure for large-scale growth of single-crystalline graphene: Paper

Luo, B., Caridad, J. M., Whelan, P. R., Thomsen, J. D., Mackenzie, D. M. A., Grubišić Čabo, A., Mahatha, S. K., Bianchi, M., Hofmann, P., Jepsen, P. U., Bøggild, P. & Booth, T. J., 2017, In : 2D materials. 4, 4, 10 p., 045017.

Research output: Contribution to journalJournal articleResearchpeer-review

Open Access
File
219 Downloads (Pure)
2016

160 Gbit/s photonics wireless transmission in the 300-500 GHz band

Yu, X., Jia, S., Hu, H., Galili, M., Morioka, T., Jepsen, P. U. & Oxenløwe, L. K., 2016, In : APL Photonics. 1, 8, 6 p., 081301.

Research output: Contribution to journalJournal articleResearchpeer-review

Open Access
File
323 Downloads (Pure)

400-GHz wireless transmission of 60-Gb/s nyquist-QPSK signals using UTC-PD and heterodyne mixer

Yu, X., Asif, R., Piels, M., Zibar, D., Galili, M., Morioka, T., Jepsen, P. U. & Oxenløwe, L. K., 2016, In : IEEE Transactions on Terahertz Science and Technology. 6, 6, p. 765 - 770 7556985.

Research output: Contribution to journalJournal articleResearchpeer-review

Open Access
File
549 Downloads (Pure)

Amplification of resonant field enhancement by plasmonic lattice coupling in metallic slit arrays

Pedersen, P. K., Tarekegne, A. T., Iwaszczuk, K., Zhang, X-C. & Jepsen, P. U., 2016, In : Scientific Reports. 6, 37738.

Research output: Contribution to journalJournal articleResearchpeer-review

Open Access
File
188 Downloads (Pure)

Contactless graphene conductance measurements: the effect of device fabrication on terahertz time-domain spectroscopy

Mackenzie, D., Buron, J. C. D., Bøggild, P., Jepsen, P. U. & Petersen, D. H., 2016, In : International Journal of Nanotechnology. 13, 8-9, p. 591-596

Research output: Contribution to journalJournal articleResearchpeer-review

Open Access
File
235 Downloads (Pure)

Fra Angelico’s painting technique revealed by terahertz time-domain imaging (THz-TDI)

Dandolo, C. L. K., Picollo, M., Cucci, C. & Jepsen, P. U., 2016, In : Applied Physics A: Materials Science & Processing. 122, 10, 8 p., 898.

Research output: Contribution to journalJournal articleResearchpeer-review

Linearity of Air-Biased Coherent Detection for Terahertz Time-Domain Spectroscopy

Wang, T., Iwaszczuk, K., Wrisberg, E. A., Denning, E. V. & Jepsen, P. U., 2016, In : Journal of Infrared, Millimeter and Terahertz Waves. 37, 6, p. 592-604

Research output: Contribution to journalJournal articleResearchpeer-review

Non-invasive Florentine Renaissance Panel Painting Replica Structures Investigation by Using Terahertz Time-Domain Imaging (THz-TDI) Technique

Dandolo, C. L. K., Picollo, M., Cucci, C. & Jepsen, P. U., 2016, In : Journal of Infrared, Millimeter and Terahertz Waves. 37, 11, p. 1148-1156 9 p.

Research output: Contribution to journalJournal articleResearchpeer-review

Terahertz Plasmonic Structure With Enhanced Sensing Capabilities

Yahiaoui, R., Strikwerda, A. C. & Jepsen, P. U., 2016, In : IEEE Sensors Journal. 16, 8, p. 2484-2488

Research output: Contribution to journalJournal articleResearchpeer-review

THz Wireless Transmission Systems Based on Photonic Generation of Highly Pure Beat-Notes

Jia, S., Yu, X., Hu, H., Yu, J., Morioka, T., Jepsen, P. U. & Oxenløwe, L. K., 2016, In : I E E E Photonics Journal. 8, 5, 8 p., 7905808.

Research output: Contribution to journalJournal articleResearchpeer-review

Open Access
File
319 Downloads (Pure)

Time-resolved terahertz spectroscopy of charge carrier dynamics in the chalcogenide glass As30Se30Te40 [Invited]

Wang, T., Romanova, E. A., Abdel-Moneim, N., Furniss, D., Loth, A., Tang, Z., Seddon, A., Benson, T., Lavrinenko, A. & Jepsen, P. U., 2016, In : Photonics Research. 4, 3, p. A22-A28

Research output: Contribution to journalJournal articleResearchpeer-review

Open Access
File
236 Downloads (Pure)
2015

Analysis of a seventeenth-century panel painting by reflection terahertz time-domain imaging (THz-TDI): Contribution of ultrafast optics to museum collections inespection

Dandolo, C. L. K., Filtenborg, T., Skou-Hansen, J. & Jepsen, P. U., 2015, In : Applied Physics A: Materials Science & Processing. 121, 3, p. 981-986

Research output: Contribution to journalJournal articleResearchpeer-review

Open Access
2 Downloads (Pure)

Diagnostics pre and post Conservation on a 14th Century Gilded Icon from Taormina, Sicily

Cosentino, A., Dandolo, C. L. K., Cristaudo, A. & Jepsen, P. U., 2015, In : E-Conservation Journal. 3, 7 p.

Research output: Contribution to journalJournal articleResearchpeer-review

Open Access
File
1163 Downloads (Pure)

Dielectric tube waveguides with absorptive cladding for broadband, low-dispersion and low loss THz guiding

Bao, H., Nielsen, K., Bang, O. & Jepsen, P. U., 2015, In : Scientific Reports. 5, 9 p.

Research output: Contribution to journalJournal articleResearchpeer-review

Open Access
File
333 Downloads (Pure)

Graphene mobility mapping

Buron, J. C. D., Pizzocchero, F., Jepsen, P. U., Petersen, D. H., Caridad, J., Jessen, B. S., Booth, T. & Bøggild, P., 2015, In : Scientific Reports. 5, 7 p., 12305.

Research output: Contribution to journalJournal articleResearchpeer-review

Open Access
File
382 Downloads (Pure)

Impact ionization in high resistivity silicon induced by an intense terahertz field enhanced by an antenna array

Tarekegne, A. T., Iwaszczuk, K., Zalkovskij, M., Strikwerda, A. & Jepsen, P. U., 2015, In : New Journal of Physics. 17, 9 p., 043002.

Research output: Contribution to journalJournal articleResearchpeer-review

Open Access
File
389 Downloads (Pure)

Metamaterial-based Design for a Half Wavelength Plate in the Terahertz Range

Malureanu, R., Sun, W., Zalkovskij, M., He, Q., Zhou, L., Jepsen, P. U. & Lavrinenko, A., 2015, In : Applied Physics A: Materials Science & Processing. 119, 2, p. 467-473

Research output: Contribution to journalJournal articleResearchpeer-review

Open Access
File
343 Downloads (Pure)

Nitrogen plasma formation through terahertz-induced ultrafast electron field emission

Iwaszczuk, K., Zalkovskij, M., Strikwerda, A. & Jepsen, P. U., 2015, In : Optica. 2, 2, p. 116-123

Research output: Contribution to journalJournal articleResearchpeer-review

Open Access
File
296 Downloads (Pure)

Non-destructive electrochemical graphene transfer from reusable thin-film catalysts

Pizzocchero, F., Jessen, B. S., Whelan, P. R., Kostesha, N., Lee, S., Buron, J. C. D., Petrushina, I., Larsen, M. B., Greenwood, P., Cha, W. J., Teo, K., Jepsen, P. U., Hone, J., Bøggild, P. & Booth, T., 2015, In : Carbon. 85, p. 397-405

Research output: Contribution to journalJournal articleResearchpeer-review

Open Access
File
350 Downloads (Pure)

Permanently reconfigured metamaterials due to terahertz induced mass transfer of gold

Strikwerda, A., Zalkovskij, M., Iwaszczuk, K., Lorenzen, D. L. & Jepsen, P. U., 2015, In : Optics Express. 23, 9, p. 11586-11599

Research output: Contribution to journalJournal articleResearchpeer-review

Open Access
File
277 Downloads (Pure)

Quantum-dot-based integrated non-linear sources

Bernard, A., Mariani, S., Andronico, A., Gerard, J-M., Kamp, M., Jepsen, P. U. & Leo, G., 2015, In : I E T Optoelectronics. 9, 2, p. 82-87

Research output: Contribution to journalJournal articleResearchpeer-review

Reflection terahertz time-domain imaging for analysis of an 18th century neoclassical easel painting

Dandolo, C. L. K., Filtenborg, T., Fukunaga, K., Hansen, J. S. & Jepsen, P. U., 2015, In : Applied Optics. 54, 16, p. 5123-5129

Research output: Contribution to journalJournal articleResearchpeer-review

Terahertz wafer-scale mobility mapping of graphene on insulating substrates without a gate

Buron, J. D., Mackenzie, D. M. A., Petersen, D. H., Pesquera, A., Centeno, A., Bøggild, P., Zurutuza, A. & Jepsen, P. U., 2015, In : Optics Express. 23, 24, p. 30721-30729

Research output: Contribution to journalJournal articleResearchpeer-review

Open Access
File
378 Downloads (Pure)

Ultrabroadband terahertz conductivity of highly doped ZnO and ITO

Wang, T., Zalkovskij, M., Iwaszczuk, K., Lavrinenko, A., Naik, G. V., Kim, J., Boltasseva, A. & Jepsen, P. U., 2015, In : Optical Materials Express. 5, 3, p. 566-575

Research output: Contribution to journalJournal articleResearchpeer-review

Open Access
File
390 Downloads (Pure)
2014

Design and optimization of mechanically down-doped terahertz fiber directional couplers

Bao, H., Nielsen, K., Rasmussen, H. K., Jepsen, P. U. & Bang, O., 2014, In : Optics Express. 22, 8, p. 9486-9497

Research output: Contribution to journalJournal articleResearchpeer-review

Open Access

Electrically continuous graphene from single crystal copper verified by terahertz conductance spectroscopy and micro four-point probe.

Buron, J. C. D., Pizzocchero, F., Jessen, B. S., Booth, T., Nielsen, P. F., Hansen, O., Hilke, M., Whiteway, E., Jepsen, P. U., Bøggild, P. & Petersen, D. H., 2014, In : Nano letters. 14, 11, p. 6348-6355 8 p.

Research output: Contribution to journalJournal articleResearchpeer-review

Open Access
File
186 Downloads (Pure)

Metamaterial composite bandpass filter with an ultra-broadband rejection bandwidth of up to 240 terahertz

Strikwerda, A., Zalkovskij, M., Lorenzen, D. L., Krabbe, A., Lavrinenko, A. & Jepsen, P. U., 2014, In : Applied Physics Letters. 104, 19, 5 p., 191103.

Research output: Contribution to journalJournal articleResearchpeer-review

Open Access
File
553 Downloads (Pure)

Ultrabroadband THz Time-Domain Spectroscopy of a Free-Flowing Water Film

Wang, T., Pedersen, P. K. & Jepsen, P. U., 2014, In : IEEE Transactions on Terahertz Science and Technology. 4, 4, p. 425-431

Research output: Contribution to journalJournal articleResearchpeer-review

2013

Experimental observation of plasmons in a graphene monolayer resting on a two-dimensional subwavelength silicon grating

Zhu, X., Yan, W., Jepsen, P. U., Hansen, O., Mortensen, N. A. & Xiao, S., 2013, In : Applied Physics Letters. 102, 13, p. 131101 4 p.

Research output: Contribution to journalJournal articleResearchpeer-review

Open Access
File
568 Downloads (Pure)

Experimental three-dimensional beam profiling and modeling of a terahertz beam generated from a two-color air plasma: Paper

Pedersen, P. K., Strikwerda, A., Iwaszczuk, K. & Jepsen, P. U., 2013, In : New Journal of Physics. 15, 7, 13 p., 075012.

Research output: Contribution to journalJournal articleResearchpeer-review

Open Access
File
727 Downloads (Pure)

Introduction to the special issue on terahertz spectroscopy

Jepsen, P. U., Cooke, D. G. & Siegel, P. H., 2013, In : IEEE Transactions on Terahertz Science and Technology. 3, 3, p. 237-238

Research output: Contribution to journalJournal articleResearchpeer-review