Krzysztof Iwaszczuk

Krzysztof Iwaszczuk

Assistant Professor

DTU FOTONIK
Department of Photonics Engineering

Terahertz Science and Technology

Technical University of Denmark

Ørsteds Plads

Building 345A, room 071

2800 Kgs. Lyngby

Mobile
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

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

 

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

 

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

 

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

 

Ultrabroadband terahertz characterization of highly doped ZnO and ITO

Wang, Tianwu ; Zalkovskij, Maksim ; Iwaszczuk, Krzysztof ; Lavrinenko, Andrei ; Naik, Gururaj V. ; Kim, Jongbum ; Boltasseva, Alexandra ; Jepsen, Peter Uhd
part of: Proceedings of 40th International Conference on Infrared, Millimeter, and Terahertz waves (IRMMW-THz), pages: 1, 2015, IEEE,
Presented at:
40th International Conference on Infrared, Millimeter, and Terahertz Waves, 2015

Type: Article in proceedings (Peer reviewed)

Status: Published     |    Year: 2015     |    DOI: http://dx.doi.org/10.1109/IRMMW-THz.2015.7327715

 

High power terahertz induced carrier multiplication in Silicon

Tarekegne, Abebe Tilahun ; Pedersen, Pernille Klarskov ; Iwaszczuk, Krzysztof ; Jepsen, Peter Uhd
part of: Proceedings of 2015 40th International Conference on Infrared, Millimeter, and Terahertz waves (ISBN: 9781479982721), 2015, IEEE,
Presented at:
40th International Conference on Infrared, Millimeter, and Terahertz Waves, 2015

Type: Article in proceedings (Peer reviewed)

Status: Published     |    Year: 2015     |    DOI: http://dx.doi.org/10.1109/IRMMW-THz.2015.7327401

 

Ultrafast electron field emission from gold resonant antennas studied by two terahertz pulse experiments

Iwaszczuk, Krzysztof ; Zalkovskij, Maksim ; Strikwerda, Andrew ; Jepsen, Peter Uhd
part of: Proceedings of 2015 40th International Conference on Infrared, Millimeter and Terahertz Waves (ISBN: 9781479982721), pages: 1, 2015, IEEE,
Presented at:
40th International Conference on Infrared, Millimeter, and Terahertz Waves, 2015

Type: Article in proceedings (Peer reviewed)

Status: Published     |    Year: 2015     |    DOI: http://dx.doi.org/10.1109/IRMMW-THz.2015.7327505