Semiconductor plasmonic crystals: Active control of THz extinction

Martijn C. Schaafsma, Jaime Gómez Rivas

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Abstract

We study the scattering, absorption and extinction of THz radiation by 2D plasmonic crystals formed by periodic arrays of semiconductor particles. The particles sustain localized surface plasmon resonances that can couple to diffracted orders of the array giving rise to hybrid plasmonic-photonic modes. These modes exhibit extraordinary extinction and narrow line widths. The coupling strength and, consequently, the extinction can be actively tuned by changing the carrier concentration in the semiconductor, which is achieved by optical pumping.

Original languageEnglish
Title of host publication2013 38th International Conference on Infrared, Millimeter, and Terahertz Waves, IRMMW-THz 2013
DOIs
Publication statusPublished - 1 Dec 2013
Event38th International Conference on Infrared, Millimeter, and Terahertz Waves (IRMMW-THz 2013) - Mainz, Germany
Duration: 1 Sep 20136 Sep 2013
Conference number: 38
http://www.theconference2013.com/

Conference

Conference38th International Conference on Infrared, Millimeter, and Terahertz Waves (IRMMW-THz 2013)
Abbreviated titleIRMMW-THz 2013
CountryGermany
CityMainz
Period1/09/136/09/13
Internet address

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    Schaafsma, M. C., & Rivas, J. G. (2013). Semiconductor plasmonic crystals: Active control of THz extinction. In 2013 38th International Conference on Infrared, Millimeter, and Terahertz Waves, IRMMW-THz 2013 [6665571] https://doi.org/10.1109/IRMMW-THz.2013.6665571