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

Authors:Oliver, Neus
Soriano, Miguel C.
Sukow, David W.
Fischer, Ingo
Issue Date:2011
Publisher:Optical Society of America
Citation:Optics Letters 36, 4632-4634 (2011)
Abstract:Chaotic 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
URI:http://hdl.handle.net/10261/45687
ISSN:0146-9592
E-ISSNmetadata.dc.identifier.doi = DOI:1539-4794
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Appears in Collections:(IFISC) Artículos

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