Antenna-coupled microcavities for enhanced infrared photo-detection (Articolo in rivista)

Type
Label
  • Antenna-coupled microcavities for enhanced infrared photo-detection (Articolo in rivista) (literal)
Anno
  • 2014-01-01T00:00:00+01:00 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
  • 10.1063/1.4862750 (literal)
Alternative label
  • Chen, Yuk Nga; Todorov, Yanko; Askenazi, Benjamin; Vasanelli, Angela; Biasiol, Giorgio; Colombelli, Raffaele; Sirtori, Carlo (2014)
    Antenna-coupled microcavities for enhanced infrared photo-detection
    in Applied physics letters
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • Chen, Yuk Nga; Todorov, Yanko; Askenazi, Benjamin; Vasanelli, Angela; Biasiol, Giorgio; Colombelli, Raffaele; Sirtori, Carlo (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
  • 104 (literal)
Rivista
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#pagineTotali
  • 5 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroFascicolo
  • 3 (literal)
Note
  • ISI Web of Science (WOS) (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • PRES University Sorbonne Paris Cite; IOM CNR; University of Paris Sud - Paris XI (literal)
Titolo
  • Antenna-coupled microcavities for enhanced infrared photo-detection (literal)
Abstract
  • We demonstrate mid-infrared detectors embedded into an array of double-metal nano-antennas. The antennas act as microcavities that squeeze the electric field into thin semiconductor layers, thus enhancing the detector responsivity. Furthermore, thanks to the ability of the antennas to gather photons from an area larger than the device's physical dimensions, the dark current is reduced without hindering the photo-generation rate. In these devices, the background-limited performance is improved with a consequent increase of the operating temperature. Our results illustrate how the antenna-coupled microcavity concept can be applied to enhance the performances of infrared opto-electronic devices. (C) 2014 AIP Publishing LLC. (literal)
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