Georgiou, G. , Schaafsma, M. C., Tyagi, H. K., Steinbusch, T. P. and Gómez-Rivas, J. (2014) Photo-generation of Resonant Structures at THz Frequencies. In: 2014 39th International Conference on Infrared, Millimeter, and Terahertz waves (IRMMW-THz), Tucson, AZ, USA, 14-19 Sep 2014, ISBN 9781479938773 (doi: 10.1109/IRMMW-THz.2014.6956412)
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Abstract
Resonant plasmonic structures and metasurfaces hold a great promise as the building blocks for future optical devices. In this contribution we investigate the photo-excitation of such structures on semiconductor surfaces using a patterned optical illumination. Using this approach we are able to actively tune localized surface plasmon resonances (LSPRs) both spatially and temporally. Furthermore, the concept of beam-steering for THz waves using photo-generated carriers in semiconductors is explored both theoretically and experimentally.
| Item Type: | Conference Proceedings |
|---|---|
| Status: | Published |
| Refereed: | Yes |
| Glasgow Author(s) Enlighten ID: | Georgiou, Dr Giorgos |
| Authors: | Georgiou, G., Schaafsma, M. C., Tyagi, H. K., Steinbusch, T. P., and Gómez-Rivas, J. |
| College/School: | College of Science and Engineering > School of Engineering > Electronics and Nanoscale Engineering |
| ISSN: | 2162-2027 |
| ISBN: | 9781479938773 |
| Published Online: | 20 November 2014 |
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