| Experimental observation of noise precursors for virtual Hopf phenomena near period-doubling bifurcations in modulated diode lasers. | |
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MedLine Citation:
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PMID: 18033509 Owner: NLM Status: In-Data-Review |
Abstract/OtherAbstract:
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We present an experimental analysis of the effect of a rf amplitude modulation of the injection current in a distributed-feedback diode laser at 1.55 mum near the first period-doubling bifurcation. First experimental results of a virtual Hopf phenomenon were observed when two moving bumps with Lorentzian shapes appeared in the spectrum before the onset of the first period-doubling bifurcation occurred. We characterized this observation by increasing the amplitude of the current modulation of the diode laser until period-doubling bifurcation took place. The shape and position in the spectrum of these Lorentzian bumps were studied by the noise precursors theory, which predicts that the presence of noise will act as a virtual Hopf precursor in systems undergoing a period-doubling bifurcation. |
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Authors:
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H Lamela; S Pérez; G Carpintero |
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Publication Detail:
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Type: Journal Article |
Journal Detail:
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Title: Optics letters Volume: 26 ISSN: 0146-9592 ISO Abbreviation: Opt Lett Publication Date: 2001 Jan |
Date Detail:
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Created Date: 2007-11-22 Completed Date: - Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 7708433 Medline TA: Opt Lett Country: United States |
Other Details:
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Languages: eng Pagination: 69-71 Citation Subset: - |
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From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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