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Ghost resonance in a semiconductor laser with optical feedback

AuthorsBuldú, Javier M.; Chialvo, Dante R.; Mirasso, Claudio R. ; Torrent, M. C.; García-Ojalvo, Jordi
Keywords[PACS] Dynamics of nonlinear optical systems; optical instabilities, optical chaos and complexity, and optical spatio-temporal dynamics
[PACS] Nonlinear dynamics and nonlinear dynamical systems
Issue Date3-Feb-2003
PublisherEDP Sciences
Institute of Physics Publishing
CitationEurophysics Letters 64(2): 178-184 (2003)
AbstractWe 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].
Description7 pages, 6 figures.-- PACS nrs.: 42.65.Sf, 05.45.-a.
Publisher version (URL)http://dx.doi.org/10.1209/epl/i2003-00285-3
Appears in Collections:(IFISC) Artículos
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