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相关概念视频

Random Sampling Method01:09

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Sampling is a technique to select a portion (or subset) of the larger population and study that portion (the sample) to gain information about the population. Data are the result of sampling from a population. The sampling method ensures that samples are drawn without bias and accurately represent the population. Because measuring the entire population in a study is not practical, researchers use samples to represent the population of interest. Among the various sampling methods used by...
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Random Variables01:09

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A random variable is a single numerical value that indicates the outcome of a procedure. The concept of random variables is fundamental to the probability theory and was introduced by a Russian mathematician, Pafnuty Chebyshev, in the mid-nineteenth century.
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The German physicist Heinrich Hertz (1857–1894) was the first to generate and detect certain types of electromagnetic waves in the laboratory. Starting in 1887, he performed a series of experiments that confirmed the existence of electromagnetic waves and verified that they travel at the speed of light. Hertz used an alternating-current RLC (resistor-inductor-capacitor) circuit that resonated at a known frequency and connected it to a loop of wire. High voltages induced across the gap in...
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相关实验视频

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Quantum State Engineering of Light with Continuous-wave Optical Parametric Oscillators
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基于微LED的量子随机数发生器.

Heming Lin, Hang Lu, Matthew S Wong

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    此摘要是机器生成的。

    本研究引入了一种新的量子随机数发生器 (QRNG),使用微型发光二极管 (微型LED) 作为源. 这种紧的QRNG实现了高生成率,并通过了NIST的随机性测试,为实际应用提供了可扩展的解决方案.

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    科学领域:

    • 量子物理学和光电子学.
    • 开发安全的随机数生成技术.

    背景情况:

    • 传统的量子随机数发生器 (QRNG) 经常面临诸如低速度和体积庞大的组件等局限性,特别是使用单光子探测器 (SPD) 的量子随机数发生器.
    • 现有的QRNG系统难以满足对高通量,小型化随机数生成的需求.

    研究的目的:

    • 开发和演示使用微型发光二极管 (微型LED) 作为一个紧的源的高性能QRNG系统.
    • 为了克服传统QRNG的速度和尺寸限制.

    主要方法:

    • 使用微LED作为源,利用自发排放的强度波动.
    • 对生成的数据应用后处理技术.
    • 测试了不同尺寸的微型LED,以确保一致的性能.

    主要成果:

    • 通过5 × 5 μm2的微型LED,实现了9.375 Gbit/s的光电探测器带宽有限的生成速率.
    • 生成的随机数字成功通过了国家标准与技术研究所 (NIST) 的随机性测试.
    • 在不同的微型LED尺寸中表现出一致的高性能,证实了该方法的稳定性.

    结论:

    • 微LED为高速量子随机数生成提供了可行且强大的源.
    • 基于微LED的QRNG的紧,可扩展的设计使得能够开发集成芯片,以实现超高的随机数生成率.
    • 这项技术为实用,小型化的QRNG平台铺平了道路.