Vibrational resonance and the detection of aperiodic binary signals (Articolo in rivista)

Type
Label
  • Vibrational resonance and the detection of aperiodic binary signals (Articolo in rivista) (literal)
Anno
  • 2008-01-01T00:00:00+01:00 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
  • 10.1103/PhysRevE.77.051126 (literal)
Alternative label
  • Chizhevsky V.N. (1); Giacomelli G. (2); (2008)
    Vibrational resonance and the detection of aperiodic binary signals
    in Physical review. E, Statistical, nonlinear, and soft matter physics (Print)
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • Chizhevsky V.N. (1); Giacomelli G. (2); (literal)
Pagina inizio
  • 051126 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
  • 77 (literal)
Rivista
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#note
  • American Physical Society (APS). (literal)
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  • 7 (literal)
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  • 5 (literal)
Note
  • ISI Web of Science (WOS) (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • 1) B.I. Stepanov Institute of Physics, NASB, 220072 Minsk, Belarus; 2) Istituto dei Sistemi Complessi-CNR, via Madonna del Piano 10, 50019 Sesto F.no, Firenze, Italy; (literal)
Titolo
  • Vibrational resonance and the detection of aperiodic binary signals (literal)
Abstract
  • We present the experimental and numerical study of a method for detecting aperiodic binary signals in a bistable, vertical cavity surface emitting laser (VCSEL). The method uses the phenomenon of vibrational resonance, in presence of a fixed level of noise. We show that the addition of a periodic signal with a period much shorter than the bit duration of the aperiodic input signal allows one to significantly increase the cross-correlation coefficient between the input and the output, as well as to substantially decrease the bit error rate. The experimental observation of a time lag between the input and the output of the VCSEL due the high-frequency modulation is reported. The effect of an asymmetry of the bistable quasipotential on the detection is also analyzed. The numerical results of simulations in a simple model are in qualitative agreement with the experiment. (literal)
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