Detection of a 2.8 THz quantum cascade laser with a semiconductor nanowire field-effect transistor coupled to a bow-tie antenna (Articolo in rivista)

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Label
  • Detection of a 2.8 THz quantum cascade laser with a semiconductor nanowire field-effect transistor coupled to a bow-tie antenna (Articolo in rivista) (literal)
Anno
  • 2014-01-01T00:00:00+01:00 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
  • 10.1063/1.4867074 (literal)
Alternative label
  • Ravaro M.[ 1,2 ] ; Locatelli M.[ 1,2 ]; Viti L.[ 3,4 ] ; Ercolani D.[ 3,4 ] ; Consolino L.[ 1,2 ] ; Bartalini S.[ 1,2 ] ; Sorba L.[ 3,4 ] ; Vitiello M.S.[ 1,3,4 ] ; De Natale P.[ 1,2 ] (2014)
    Detection of a 2.8 THz quantum cascade laser with a semiconductor nanowire field-effect transistor coupled to a bow-tie antenna
    in Applied physics letters
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • Ravaro M.[ 1,2 ] ; Locatelli M.[ 1,2 ]; Viti L.[ 3,4 ] ; Ercolani D.[ 3,4 ] ; Consolino L.[ 1,2 ] ; Bartalini S.[ 1,2 ] ; Sorba L.[ 3,4 ] ; Vitiello M.S.[ 1,3,4 ] ; De Natale P.[ 1,2 ] (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#url
  • http://www.scopus.com/inward/record.url?eid=2-s2.0-84896782779&partnerID=q2rCbXpz (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
  • 104 (literal)
Rivista
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroFascicolo
  • 8 (literal)
Note
  • ISI Web of Science (WOS) (literal)
  • Scopu (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • [ 1 ] CNR, INO, Ist Nazl Ottica, I-50125 Florence, Italy [ 2 ] LENS, European Lab Nonlinear Spect, I-50019 Sesto Fiorentino, FI, Italy [ 3 ] CNR, NEST, Ist Nanosci, I-56127 Pisa, Italy [ 4 ] Scuola Normale Super Pisa, I-56127 Pisa, Italy (literal)
Titolo
  • Detection of a 2.8 THz quantum cascade laser with a semiconductor nanowire field-effect transistor coupled to a bow-tie antenna (literal)
Abstract
  • The use of a high-electron mobility semiconductor nanowire as transistor channel has recently allowed the extension of the spectral coverage of THz field-effect transistor detectors up to 1.5 THz. In this report, we demonstrate efficient operation of a field-effect transistor detector based on a semiconductor nanowire at a much higher frequency, 2.8 THz, with a responsivity ?5 V/W in a bandwidth ?100 kHz, thus proving the full potential of such approach for the detection of THz quantum cascade lasers. Finally, such a THz sensing system is exploited to perform raster scan transmission imaging, with high spatial resolution, signal-to-noise ratio, and acquisition rate. © 2014 AIP Publishing LLC. (literal)
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