Krzysztof Iwaszczuk

Krzysztof Iwaszczuk

Assistant Professor

DTU FOTONIK
Department of Photonics Engineering

Ultrafast Infrared and Terahertz Science

Technical University of Denmark

Ørsteds Plads

Building 343, room 020

2800 Kgs. Lyngby

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Fax +45 45 93 65 81
E-mail kiwa@fotonik.dtu.dk

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2016
 

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

Wang, Tianwu ; Iwaszczuk, Krzysztof ; Wrisberg, Emil Astrup ; Denning, Emil Vosmar ; Jepsen, Peter Uhd
in journal: Journal of Infrared, Millimeter and Terahertz Waves (ISSN: 1866-6892) (DOI: http://dx.doi.org/10.1007/s10762-015-0242-9), vol: 37, issue: 6, pages: 592-604, 2016

Type: Journal article (Peer reviewed)

Status: Published     |    Year: 2016     |    DOI: http://dx.doi.org/10.1007/s10762-015-0242-9

 

Broadband terahertz polarization rotator based on a twisted parallel plate waveguide

Kristensen, T. Bjørk ; Iwaszczuk, Krzysztof ; Jepsen, Peter Uhd
part of: Proceedings of 2016 41st International Conference on Infrared, Millimeter, and Terahertz waves (ISBN: 9781467384858), pages: 1-2, 2016, IEEE,
Presented at:
41st International Conference on Infrared, Millimeter and Terahertz Waves, 2016, Copenhagen

Type: Article in proceedings (Peer reviewed)

Status: Published     |    Year: 2016     |    DOI: http://dx.doi.org/10.1109/IRMMW-THz.2016.7758705

 

Robustness of various metals against high THz field induced damage

Zhu, Jianfei ; Iwaszczuk, Krzysztof ; Tarekegne, Abebe Tilahun ; Ma, Yungui ; Jepsen, Peter Uhd
part of: Proceedings of 2016 41st International Conference on Infrared, Millimeter, and Terahertz Waves (ISBN: 9781467384858), pages: 1-2, 2016, IEEE,
Presented at:
41st International Conference on Infrared, Millimeter and Terahertz Waves, 2016, Copenhagen

Type: Article in proceedings (Peer reviewed)

Status: Published     |    Year: 2016     |    DOI: http://dx.doi.org/10.1109/IRMMW-THz.2016.7758878

  PDF

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

Pedersen, Pernille Klarskov ; Tarekegne, Abebe Tilahun ; Iwaszczuk, Krzysztof ; Zhang, X-C ; Jepsen, Peter Uhd
in journal: Scientific Reports (ISSN: 2045-2322) (DOI: http://dx.doi.org/10.1038/srep37738), vol: 6, 2016

Type: Journal article (Peer reviewed)

Status: Published     |    Year: 2016     |    DOI: http://dx.doi.org/10.1038/srep37738

 

Timing jitter correction for THz-TDS measurements of graphene

Whelan, Patrick Rebsdorf ; Iwaszczuk, Krzysztof ; Bøggild, Peter ; Jepsen, Peter Uhd
part of: Proceedings of 41st International Conference on Infrared, Millimeter, and Terahertz Waves (2016), 2016, IEEE,
Presented at:
41st International Conference on Infrared, Millimeter and Terahertz Waves, 2016, Copenhagen

Type: Conference abstract in proceedings (Peer reviewed)

Status: Published     |    Year: 2016     |    DOI: http://dx.doi.org/10.1109/IRMMW-THz.2016.7758548

 

Ultrabroadband THz time-domain spectroscopy of biomolecular crystals

Kaltenecker, Korbinian J. ; Engelbrecht, Sebastian ; Iwaszczuk, Krzysztof ; Fischer, Bernd M. ; Jepsen, Peter Uhd
part of: Proceedings of 2016 41st International Conference on Infrared, Millimeter, and Terahertz waves (ISBN: 9781467384858), pages: 1-2, 2016, IEEE,
Presented at:
41st International Conference on Infrared, Millimeter and Terahertz Waves, 2016, Copenhagen

Type: Article in proceedings (Peer reviewed)

Status: Published     |    Year: 2016     |    DOI: http://dx.doi.org/10.1109/IRMMW-THz.2016.7758860

 

Time-domain electric field enhancement on micrometer scale in coupled split ring resonator upon terahertz radiation

Lange, Simon Lehnskov ; Iwaszczuk, Krzysztof ; Hoffmann, Matthias ; Broeng, Jes ; Jepsen, Peter Uhd
part of: Proceedings of 2016 41st International Conference on Infrared, Millimeter, and Terahertz waves (ISBN: 9781467384858), pages: 1-2, 2016, IEEE,
Presented at:
41st International Conference on Infrared, Millimeter and Terahertz Waves, 2016, Copenhagen

Type: Article in proceedings (Peer reviewed)

Status: Published     |    Year: 2016     |    DOI: http://dx.doi.org/10.1109/IRMMW-THz.2016.7758702

 

THz-induced ultrafast modulation of NIR refractive index of silicon

Tarekegne, Abebe Tilahun ; Hirori, Hideki ; Iwaszczuk, Krzysztof ; Tanaka, Koichiro ; Jepsen, Peter Uhd
part of: Proceedings of 2016 41st International Conference on Infrared, Millimeter, and Terahertz waves (ISBN: 9781467384858), pages: 1-2, 2016, IEEE,
Presented at:
41st International Conference on Infrared, Millimeter and Terahertz Waves, 2016, Copenhagen

Type: Article in proceedings (Peer reviewed)

Status: Published     |    Year: 2016     |    DOI: http://dx.doi.org/10.1109/IRMMW-THz.2016.7758733

 

Experimental comparison of models for ultrafast impact ionization is silicon

Tarekegne, Abebe Tilahun ; Iwaszczuk, Krzysztof ; Jepsen, Peter Uhd
part of: 2016 Conference on Lasers and Electro-Optics (ISBN: 9781943580118), pages: 1-2, 2016,
Presented at:
Conference on Lasers and Electro-Optics 2016, 2016, San Jose, California

Type: Article in proceedings (Peer reviewed)

Status: Published     |    Year: 2016

2015
  PDF

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

Tarekegne, Abebe Tilahun ; Iwaszczuk, Krzysztof ; Zalkovskij, Maksim ; Strikwerda, Andrew ; Jepsen, Peter Uhd
in journal: New Journal of Physics (ISSN: 1367-2630) (DOI: http://dx.doi.org/10.1088/1367-2630/17/4/043002), vol: 17, 2015

Type: Journal article (Peer reviewed)

Status: Published     |    Year: 2015     |    DOI: http://dx.doi.org/10.1088/1367-2630/17/4/043002