Abebe Tilahun Tarekegne

Abebe Tilahun Tarekegne

Postdoc

DTU FOTONIK
Department of Photonics Engineering

Diode Lasers and LED Systems

Technical University of Denmark

Ørsteds Plads

Building 345A, room 079

2800 Kgs. Lyngby

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2017
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High impact ionization rate in silicon by sub-picosecond THz electric field pulses (Conference Presentation)

Tarekegne, Abebe Tilahun ; Iwaszczuk, Krzysztof ; Hirori, Hideki ; Tanaka, Koichiro ; Jepsen, Peter Uhd
part of: Proceedings of SPIE, 2017, SPIE - International Society for Optical Engineering,
Presented at:
Ultrafast Phenomena and Nanophotonics XXI, 2017, San Francisco

Type: Article in proceedings (Peer reviewed)

Status: Published     |    Year: 2017     |    DOI: http://dx.doi.org/10.1117/12.2252058

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Impact ionization dynamics in silicon by MV/cm THz fields

Tarekegne, Abebe Tilahun ; Hirori, Hideki ; Tanaka, Koichiro ; Iwaszczuk, Krzysztof ; Jepsen, Peter Uhd
in journal: New Journal of Physics (ISSN: 1367-2630) (DOI: http://dx.doi.org/10.1088/1367-2630/aa936b), vol: 19, issue: 12, 2017

Type: Journal article (Peer reviewed)

Status: Published     |    Year: 2017     |    DOI: http://dx.doi.org/10.1088/1367-2630/aa936b

 

Ultrafast nonlinear response of silicon carbide to intense THz fields

Tarekegne, Abebe Tilahun ; Iwaszczuk, Krzysztof ; Kaltenecker, Korbinian J. ; Zhou, Binbin ; Lu, Weifang ; Ou, Haiyan ; Jepsen, Peter Uhd
part of: Nonlinear Optics 2017 (ISBN: 978-0-9600380-6-0), 2017, Optical Society of America (OSA),
Presented at:
Nonlinear Optics 2017, 2017, Waikoloa

Type: Article in proceedings (Peer reviewed)

Status: Published     |    Year: 2017     |    DOI: http://dx.doi.org/10.1364/NLO.2017.NW3A.3

2016
 

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

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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

 

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, Optical Society of America (OSA),
Presented at:
Conference on Lasers and Electro-Optics 2016, 2016, San Jose, California

Type: Article in proceedings (Peer reviewed)

Status: Published     |    Year: 2016

2015
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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

 

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