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. © OSA 2015.
Optical switching of mid-infrared plasmonic nanoantennas based on Germanium
Frigerio, Jacopo;Biagioni, Paolo;Isella, Giovanni;
2015-01-01
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. © OSA 2015.File in questo prodotto:
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