DocumentCode
197439
Title
Extreme terahertz nonlinearities in undoped GaAs driven by ultrahigh near-fields in metamaterials
Author
Lange, C. ; Maag, T. ; Hohenleutner, M. ; Baierl, S. ; Edwards, E. ; Bougeard, D. ; Woltersdorf, G. ; Huber, Rainer
Author_Institution
Dept. of Phys., Univ. of Regensburg, Regensburg, Germany
fYear
2014
fDate
8-13 June 2014
Firstpage
1
Lastpage
2
Abstract
Local terahertz fields of multiple 10 MV/cm tailored in gold metamaterials drive electronic interband transitions in intrinsic GaAs. The bandgap exceeds the THz photon energy 400-fold. Photoluminescence microscopy maps the THz near-field distribution.
Keywords
III-V semiconductors; gallium arsenide; gold; nonlinear optics; optical metamaterials; optical microscopy; photoluminescence; terahertz waves; wide band gap semiconductors; Au; GaAs; bandgap; extreme terahertz nonlinearities; gold metamaterial drive electronic interband transitions; intrinsic gallium arsenide; photoluminescence microscopy maps; terahertz near-field distribution; terahertz photon energy; Antennas; Gallium arsenide; Metamaterials; Nonlinear optics; Optical resonators; Photonics; Transient analysis;
fLanguage
English
Publisher
ieee
Conference_Titel
Lasers and Electro-Optics (CLEO), 2014 Conference on
Conference_Location
San Jose, CA
Type
conf
Filename
6990056
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