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Fast and reliable generation of non-deterministic random numbers is needed to improve the security of existing information and communication systems, including transactions on the internet and distributed data storage systems. Realising practical quantum key distribution systems in the future will also require high-speed generation of random sequences to modulate transmission parameters. Random physical...
We investigate the characteristics of fast random bit generation using chaotic semiconductor lasers. The optical amplitudes of two lasers with chaotic oscillations induced by optical feedback are each sampled at a fixed rate to extract binary bit sequences which are then combined by an exclusive-OR operation to obtain a single random bit sequence. Bit sequences generated at rate of 1 Giga bit per...
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