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Ghost stochastic resonance in vertical-cavity surface-emitting lasers: Experiment and theory

AuthorsVan der Sande, Guy ; Verschaffelt, Guy; Danckaert, Jan; Mirasso, Claudio R.
KeywordsStochastic processes
Laser cavity resonators
Laser noise
Surface emitting lasers
Light polarisation
Gaussian noise
Optical bistability
Issue Date18-Jul-2005
PublisherAmerican Physical Society
CitationPhysical Review E 72, 016113 (1-9) (2005)
AbstractWe study the polarization response of a vertical-cavity surface-emitting laser, driven simultaneously by noise and two (or more) weak periodic signals. In the bistable regime, we observe experimentally the occurrence of stochastic resonance at a frequency that is absent in the input driving signal. The presence of this so-called ghost resonance is confirmed theoretically.
Description9 pages, 13 figures.-- PACS nrs.: 05.40.-a, 42.65.Sf, 42.55.Px.-- PMID: 16090042 [PubMed].
Publisher version (URL)http://dx.doi.org/10.1103/PhysRevE.72.016113
Appears in Collections:(IFISC) Artículos
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