Archivio Istituzionale della RicercaThe absorption properties of HgCdTe-based infrared detectors can be greatly increased in the mid-infrared band, by incorporating nanostructured plasmonic arrays on the illuminated detector face. The array periodicity, combined with the excitation of surface plasmon-polariton stationary modes, enhances the absorption efficiency by a substantial amount, allowing to reduce in turn the HgCdTe absorption thickness.
Plasmonic nanorods for enhanced absorption in mid-wavelength infrared detectors / Vallone, M.; Goano, M.; Tibaldi, A.; Hanna, S.; Eich, D.; Wegmann, A.; Figgemeier, H.; Ghione, G.; Bertazzi, F.. - ELETTRONICO. - (2021), pp. 35-36. (Intervento presentato al convegno 2021 International Conference on Numerical Simulation of Optoelectronic Devices (NUSOD) tenutosi a Turin, Italy nel 13-17 Settembre 2021) [10.1109/NUSOD52207.2021.9541514].
Plasmonic nanorods for enhanced absorption in mid-wavelength infrared detectors
Vallone, M.;Goano, M.;Tibaldi, A.;Ghione, G.;Bertazzi, F.
2021
Abstract
The absorption properties of HgCdTe-based infrared detectors can be greatly increased in the mid-infrared band, by incorporating nanostructured plasmonic arrays on the illuminated detector face. The array periodicity, combined with the excitation of surface plasmon-polariton stationary modes, enhances the absorption efficiency by a substantial amount, allowing to reduce in turn the HgCdTe absorption thickness.
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https://hdl.handle.net/11583/2929026