Fast random bit generation with a single chaotic laser subjected to optical feedback

Nianqiang Li; Byungchil Kim; Daeyoung Choi; V. N. Chizhevsky; A. Locquet; M. Bloch; D. S. Citrin; Wei Pan

doi:10.1117/12.2052422

2 May 2014 Fast random bit generation with a single chaotic laser subjected to optical feedback

Nianqiang Li, Byungchil Kim, Daeyoung Choi, V. N. Chizhevsky, A. Locquet, M. Bloch, D. S. Citrin, Wei Pan

Proceedings Volume 9134, Semiconductor Lasers and Laser Dynamics VI; 913427 (2014) https://doi.org/10.1117/12.2052422
Event: SPIE Photonics Europe, 2014, Brussels, Belgium

Abstract

Random bit generation (RBG) with chaotic semiconductor lasers has been extensively studied because of its potential applications in secure communications and high-speed numerical simulations. Researchers in this field have mainly focused on the improvement of the generation rate and the compactness of the random bit generators. In this paper, we experimentally demonstrate the existence of two regimes of fast RBG using a single chaotic laser subjected to delayed optical feedback: the first one is based on the extraction of all min-entropy contained in each random sample, and the second one is to demonstrate a possibility of increasing the generation rate by extracting 55 bits from each variable.

Citation Download Citation

Nianqiang Li, Byungchil Kim, Daeyoung Choi, V. N. Chizhevsky, A. Locquet, M. Bloch, D. S. Citrin, and Wei Pan "Fast random bit generation with a single chaotic laser subjected to optical feedback", Proc. SPIE 9134, Semiconductor Lasers and Laser Dynamics VI, 913427 (2 May 2014); https://doi.org/10.1117/12.2052422

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