Improvement of signal-to-noise ratio in a bistable optical system: Comparison between vibrational and stochastic resonance

Anno: 2005

Autori: Chizhevsky VN., Giacomelli G.

Affiliazione autori: Istituto Nazionale di Ottica Applicata, Largo E. Fermi 6, 50125 Firenze, Italy;
B. I. Stepanov Institute of Physics, NASB, 220072 Minsk, Belarus;
Istituto Nazionale di Fisica della Materia, Unità di Firenze, Firenze, Italy

Abstract: We present an experimental and theoretical study of the, effect of additive noise on the signal-to-noise ratio (SNR) in a bistable, vertical cavity laser. We show that, the regime of vibrational resonance leads to higher SNR’s than the regime of stochastic resonance. A scaling law for. the noise-induced degradation of SNR is obtained analytically and compared with experimental and numerical results, showing a good agreement.

Giornale/Rivista: PHYSICAL REVIEW A

Volume: 71 (1)      Da Pagina: 11801-1  A: 11801-4

Parole chiavi: Bifurcation (mathematics); Computational methods; Lasers; Optical bistability; Optical systems; Random processes; Resonance; Spurious signal noise; Bistable optical systems; Stochastic resonance; Vertical cavity surface emitting lasers (VCSEL); Vibrational resonance
DOI: 10.1103/PhysRevA.71.011801

Citazioni: 81
dati da “WEB OF SCIENCE” (of Thomson Reuters) aggiornati al: 2025-05-18
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