The dynamics of chaotic lasers can be harnessed to create a random-number generator that works at an astonishing rate. Such a generator could be implemented to make storage and transfer of data more secure at very high speeds.
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Murphy, T., Roy, R. The world's fastest dice. Nature Photon 2, 714–715 (2008). https://doi.org/10.1038/nphoton.2008.239
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DOI: https://doi.org/10.1038/nphoton.2008.239
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