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Title

Dynamics of a semiconductor laser with polarization rotated feedback and its utilization for random bit generation

AuthorsOliver, Neus ; Soriano, Miguel C. ; Sukow, David W. ; Fischer, Ingo
Issue Date2011
PublisherOptical Society of America
CitationOptics Letters 36, 4632-4634 (2011)
AbstractChaotic semiconductor lasers have been proven attractive for fast random bit generation. To follow this strategy, simple robust systems and a systematic approach determining the required dynamical properties and most suitable conditions for this application are needed. We show that dynamics of a single mode laser with polarization-rotated feedback are optimal for random bit generation when characterized simultaneously by a broad power spectrum and low autocorrelation. We observe that successful random bit generation also is sensitive to digitization and postprocessing procedures. Applying the identified criteria we achieve fast random bit generation rates (up to 4Gbit/s) with minimal postprocessing.
Publisher version (URL)http://dx.doi.org/10.1364/OL.36.004632
URIhttp://hdl.handle.net/10261/45687
DOI10.1364/OL.36.004632
ISSN0146-9592
E-ISSN1539-4794
Appears in Collections:(IFISC) Artículos
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