Observation of strong and broadband terahertz induced electroabsorption in multiple quantum wells
| Type of Publication: | Contribution to a conference collection |
| Publication status: | Published |
| Author: | Li, Chia-Yeh; Seletskiy, Denis; Cederberg, Jeffrey G.; Sheik-Bahae, Mansoor |
| Year of publication: | 2013 |
| Conference: | SPIE OPTO, Feb 2, 2013 - Feb 7, 2013, San Francisco, California, USA |
| Published in: | Ultrafast Phenomena and Nanophotonics XVII / Betz, Markus; Elezzabi, Abdulhakem Y.; Song, Jin-Joo; Tsen, Kong-Thon (ed.). - Bellingham : SPIE, 2013. - (SPIE Proceedings ; 8623). - 86230O. - eISSN 0277-786X. - ISBN 978-0-8194-9392-7 |
| DOI (citable link): | https://dx.doi.org/10.1117/12.2004633 |
| Summary: |
We report the observation of strong terahertz-induced electroabsoption (EA) modulation in in multiple double quantum well (MDQW) structures Broadband terahertz generated by two-color laser induced plasma is focused (~1MV/cm) onto the MQW and spectro-temporal response is probed in transmission geometry, where up to 60% modulation signals are observed. EAS signal is attributed to several mechanisms, including observed qualitative agreement with the two-dimensional Franz-Keldysh response. Utilizing strong EA signals, we present a simple THz imaging scheme using conventional imagers.
|
| Subject (DDC): | 530 Physics |
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LI, Chia-Yeh, Denis SELETSKIY, Jeffrey G. CEDERBERG, Mansoor SHEIK-BAHAE, 2013. Observation of strong and broadband terahertz induced electroabsorption in multiple quantum wells. SPIE OPTO. San Francisco, California, USA, Feb 2, 2013 - Feb 7, 2013. In: BETZ, Markus, ed., Abdulhakem Y. ELEZZABI, ed., Jin-Joo SONG, ed., Kong-Thon TSEN, ed.. Ultrafast Phenomena and Nanophotonics XVII. Bellingham:SPIE, 86230O. eISSN 0277-786X. ISBN 978-0-8194-9392-7. Available under: doi: 10.1117/12.2004633
@inproceedings{Li2013Obser-43020, title={Observation of strong and broadband terahertz induced electroabsorption in multiple quantum wells}, year={2013}, doi={10.1117/12.2004633}, number={8623}, isbn={978-0-8194-9392-7}, address={Bellingham}, publisher={SPIE}, series={SPIE Proceedings}, booktitle={Ultrafast Phenomena and Nanophotonics XVII}, editor={Betz, Markus and Elezzabi, Abdulhakem Y. and Song, Jin-Joo and Tsen, Kong-Thon}, author={Li, Chia-Yeh and Seletskiy, Denis and Cederberg, Jeffrey G. and Sheik-Bahae, Mansoor}, note={Article Number: 86230O} }
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