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首页> 外文会议>Nonlinear Optics and Its Applications VIII; and Quantum Optics III >Parallel generation of fast random bits based on optoelectronic phase-chaos systems
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Parallel generation of fast random bits based on optoelectronic phase-chaos systems

机译：基于光电相位混沌系统的快速随机比特并行生成

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We model the performance of an optoelectronic phase-chaos system operating with telecom components to generate random bits. The key component of the system is differential delay, namely the system is subject to two delay times which differ in an amount much larger than the autocorrelation time. This is implemented by a delay loop and an imbalanced Mach-Zhender modulator. We show that after suitable digitalization of the chaotic signal the generated bits pass all the NIST test for randomness. We also show that the system can be extended to have several chains in parallel each with a Mach-Zhender modulator, each chain being used to produce a sequence of random bits. If the differential delays of the Mach-Zhenders differ by an amount larger than the autocorrelation time of the chaotic dynamics, the output of the different chains is uncorrelated and therefore can be used for parallel generation of statistically independent random bit-streams. In addition, we also find that a sequence constructed by interleaving the parallel bit-streams also pass all the NIST tests for randomness. Based on the least significant bits which can be included in the sequence and the number of the parallel branches which can be implemented, we show that bit rates up to Tb/s can be achieved.
机译：我们对与电信组件一起运行以产生随机位的光电相位混沌系统的性能进行建模。系统的关键组成部分是微分延迟，即系统要经历两个延迟时间，它们的差异远大于自相关时间。这是通过延迟环路和不平衡的Mach-Zhender调制器实现的。我们表明，在对混沌信号进行适当的数字化之后，生成的位会通过所有NIST测试的随机性。我们还表明，该系统可以扩展为具有多个并行的链，每个链均与一个Mach-Zhender调制器并联，每个链用于生成随机比特序列。如果Mach-Zhenders的差分延迟相差大于混沌动力学的自相关时间，则不同链的输出将不相关，因此可用于并行生成统计独立的随机比特流。此外，我们还发现，由交错并行比特流构成的序列也通过了所有NIST测试的随机性。基于可以包含在序列中的最低有效位和可以实现的并行分支数，我们表明可以实现高达Tb / s的位速率。

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