Asymmetric MSM sub-bandgap all-silicon photodetector with low dark current (Articolo in rivista)

Type
Label
  • Asymmetric MSM sub-bandgap all-silicon photodetector with low dark current (Articolo in rivista) (literal)
Anno
  • 2013-01-01T00:00:00+01:00 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
  • 10.1364/OE.21.028072 (literal)
Alternative label
  • M. Casalino, M. Iodice, L. Sirleto, I. Rendina, and G. Coppola (2013)
    Asymmetric MSM sub-bandgap all-silicon photodetector with low dark current
    in Optics express
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • M. Casalino, M. Iodice, L. Sirleto, I. Rendina, and G. Coppola (literal)
Pagina inizio
  • 28072 (literal)
Pagina fine
  • 28082 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#url
  • http://www.opticsinfobase.org/oe/abstract.cfm?URI=oe-21-23-28072 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
  • 21 (literal)
Rivista
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#pagineTotali
  • 11 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroFascicolo
  • 23 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • Istituto per la Microelettronica e Microsistemi (IMM) - Consiglio Nazionale delle Ricerche - Sez. Napoli, Italy (literal)
Titolo
  • Asymmetric MSM sub-bandgap all-silicon photodetector with low dark current (literal)
Abstract
  • Design, fabrication, and characterization of an asymmetric metal-semiconductor-metal photodetector, based on internal photoemission effect and integrated into a silicon-on-insulator waveguide, are reported. For this photodetector, a responsivity of 4.5 mA/W has been measured at 1550 nm, making it suitable for power monitoring applications. Because the absorbing metal is deposited strictly around the vertical output facet of the waveguide, a very small contact area of about 3 µm2 is obtained and a transit-time-limited bandwidth of about 1 GHz is demonstrated. Taking advantage of this small area and electrode asymmetry, a significant reduction in the dark current (2.2 nA at -21 V) is achieved. Interestingly, applying reverse voltage, the photodetector is able to tune its cut-off wavelength, extending its range of application into the MID infrared regime. (literal)
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