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相关概念视频

Generating Electromagnetic Radiations01:10

Generating Electromagnetic Radiations

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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

Updated: Jun 7, 2025

Gradient Echo Quantum Memory in Warm Atomic Vapor
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由X射线驱动的多位量子随机数发生器.

Guangshen Lin, Huanbo Feng, Shizhuo Li

    Optics express
    |November 14, 2024
    PubMed
    概括
    此摘要是机器生成的。

    这项研究引入了一种使用X射线辐射的新型多位量子随机数发生器. 该设备产生高质量的随机数字,增强加密和其他应用程序的安全性.

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    相关实验视频

    Last Updated: Jun 7, 2025

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    Published on: November 11, 2013

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    Quantum State Engineering of Light with Continuous-wave Optical Parametric Oscillators
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    科学领域:

    • 量子物理学 量子物理学 是一种量子物理学.
    • 密码学 密码学 密码学 密码学
    • 光子学 是一个光子学.

    背景情况:

    • 随机数字对于安全的通信和准确的模拟至关重要.
    • 现有的随机数生成器在速度和真正的随机性方面面临着挑战.

    研究的目的:

    • 使用X射线辐射开发一个多位量子随机数发生器 (QRNG).
    • 为了实现高级应用程序的认证随机位的高速生成.

    主要方法:

    • 使用了自制的多像素单光子探测器阵列.
    • 从X射线辐射的到达时间,空间位置和偏振中提取随机性.
    • 雇佣的Toeplitz矩阵对应用于随机性蒸.

    主要成果:

    • 产生了4040万个随机位以每光子33.7位的速度.
    • 生成的随机数字通过了国家标准与技术研究所 (NIST) 的所有统计测试.
    • 展示了一种用于多位量子随机数生成的新方法.

    结论:

    • 基于X射线的QRNG为生成高质量的随机数字提供了一个有希望的新方法.
    • 这项技术可以提高加密,模拟和博中的安全性和可靠性.
    • 这项研究为未来量子随机数生成方面的进步铺平了道路.