DocumentCode
732923
Title
Optical switching of mid-infrared plasmonic nanoantennas based on germanium
Author
Fischer, Marco P. ; Schmidt, Christian ; Stock, Johannes ; Sakat, Emilie ; Samarelli, Antonio ; Frigerio, Jacopo ; Biagioni, Paolo ; Paul, Douglas J. ; Isella, Giovanni ; Leitenstorfer, Alfred ; Brida, Daniele
Author_Institution
Dept. of Phys. & Center for Appl. Photonics, Univ. of Konstanz, Konstanz, Germany
fYear
2015
fDate
10-15 May 2015
Firstpage
1
Lastpage
2
Abstract
Germanium nanoantennas are activated by triggering a mid-infrared plasma response via ultrafast interband excitation. Femtosecond control of the intrinsic semiconductor allows complete activation of the plasmonic resonance for hundreds of picoseconds.
Keywords
antennas; germanium; high-speed optical techniques; nanophotonics; plasmonics; Ge; germanium nanoantennas; intrinsic semiconductor; midinfrared plasma response; midinfrared plasmonic nanoantennas; optical switching; plasmonic resonance; ultrafast interband excitation; Antenna arrays; Germanium; Optical sensors; Plasmons; Resonant frequency; Ultrafast optics;
fLanguage
English
Publisher
ieee
Conference_Titel
Lasers and Electro-Optics (CLEO), 2015 Conference on
Conference_Location
San Jose, CA
Type
conf
Filename
7183360
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