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Título : Ghost resonance in a semiconductor laser with optical feedback
Autor : Buldú, Javier M., Chialvo, Dante R., Mirasso, Claudio R., Torrent, M. C., García-Ojalvo, Jordi
Palabras clave : [PACS] Dynamics of nonlinear optical systems; optical instabilities, optical chaos and complexity, and optical spatio-temporal dynamics
[PACS] Nonlinear dynamics and nonlinear dynamical systems
Fecha de publicación : 3-Feb-2003
Editor: EDP Sciences
Institute of Physics Publishing
Citación : Europhysics Letters 64(2): 178-184 (2003)
Resumen: We show both experimentally and numerically a ghost resonance in the sudden power dropouts exhibited by asemiconductor laser subject to optical feedback driven by two simultaneous weak periodic signals. The small signal modulation conspires with the complex internal dynamics of the system to produce a resonance at a ghost frequency, i.e. a frequency that is not present in the driving signals. This is an eminently nonlinear efect not reported before and agrees with the recent theoretical predictions by Chialvo et al. [Phys. Rev. E 56, 050902(R), 2002].
Descripción : 7 pages, 6 figures.-- PACS nrs.: 42.65.Sf, 05.45.-a.
Versión del editor:
ISSN: 0295-5075 (Print)
1286-4854 (Online)
DOI: 10.1209/epl/i2003-00285-3
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