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

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

  PDF

Ultrabroadband terahertz conductivity of highly doped ZnO and ITO

Wang, Tianwu ; Zalkovskij, Maksim ; Iwaszczuk, Krzysztof ; Lavrinenko, Andrei ; Naik, Gururaj V. ; Kim, Jongbum ; Boltasseva, Alexandra ; Jepsen, Peter Uhd
in journal: Optical Materials Express (ISSN: 2159-3930) (DOI: http://dx.doi.org/10.1364/OME.5.000566), vol: 5, issue: 3, pages: 566-575, 2015

Type: Journal article (Peer reviewed)

Status: Published     |    Year: 2015     |    DOI: http://dx.doi.org/10.1364/OME.5.000566

  PDF

Permanently reconfigured metamaterials due to terahertz induced mass transfer of gold

Strikwerda, Andrew ; Zalkovskij, Maksim ; Iwaszczuk, Krzysztof ; Lorenzen, Dennis Lund ; Jepsen, Peter Uhd
in journal: Optics Express (ISSN: 1094-4087) (DOI: http://dx.doi.org/10.1364/OE.23.011586), vol: 23, issue: 9, pages: 11586-11599, 2015

Type: Journal article (Peer reviewed)

Status: Published     |    Year: 2015     |    DOI: http://dx.doi.org/10.1364/OE.23.011586

  PDF

Nitrogen plasma formation through terahertz-induced ultrafast electron field emission

Iwaszczuk, Krzysztof ; Zalkovskij, Maksim ; Strikwerda, Andrew ; Jepsen, Peter Uhd
in journal: Optica (ISSN: 2334-2536) (DOI: http://dx.doi.org/10.1364/OPTICA.2.000116), vol: 2, issue: 2, pages: 116-123, 2015

Type: Journal article (Peer reviewed)

Status: Published     |    Year: 2015     |    DOI: http://dx.doi.org/10.1364/OPTICA.2.000116

  PDF

Detection of Terahertz Radiation

Iwaszczuk, Krzysztof (Inventor) ; Jepsen, Peter Uhd (Inventor)
Patent no.: WO2015028029, Date: 05-03-2015

Type: Patent

Status: Published     |    Year: 2015

 

THz parallel-plate waveguides with resonant cavities

Reichel, Kimberly S. ; Astley, Victoria ; Iwaszczuk, Krzysztof ; Jepsen, Peter Uhd ; Mendis, Rajind ; Mittleman, Daniel M.
part of: Proceedings Advanced Photonics 2015 (ISBN: 978-1-55752-000-5), 2015, Optical Society of America,
Presented at:
Optical Sensors 2015, 2015, Boston, Massachusetts

Type: Article in proceedings (Peer reviewed)

Status: Published     |    Year: 2015     |    DOI: http://dx.doi.org/10.1364/sensors.2015.sem4d.1