概括
这项研究引入了一种新的方法,用于使用相调和曲纤维布拉格格 (CFBG) 来产生宽带光学混乱. 该技术实现了高带宽和创纪录的物理随机数生成率,以实现安全通信.
科学领域:
- 光学和光子学 在光学和光子学.
- 非线性动力学是一种非线性动力学.
- 信息安全 信息安全
背景情况:
- 光学混乱的产生对于安全的通信至关重要.
- 对于高速的随机数生成,需要宽带混乱源.
- 现有的方法在带宽和发电速度方面存在局限性.
研究的目的:
- 提出一种新而简单的多通道宽带光学混乱生成方案.
- 使用相调节和的纤维布拉格格 (CFBG) 来增强混乱带宽.
- 为了实现高速的多通道物理随机数生成.
主要方法:
- 利用相位调制来扩大相位混乱的频谱.
- 使用CFBG进行分散,混沌转换和带宽增强.
- 引入波长调节以进一步改善带宽.
主要成果:
- 在五个频道中实现了高达40GHz的10dB带宽.
- 产生了多通道物理随机数字,总速率为4.64 Tbit/s.
- 使用外部腔体反半导体激光器证明了最高记录的随机数生成率.
结论:
- 拟议的方案实际上产生了宽带多通道光学混乱.
- 该方法显著提高了混乱带宽和随机数生成速度.
- 这项技术为下一代Tbit/s安全光通信系统提供了巨大的潜力.
相关概念视频
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Phase-lead controllers are commonly used in various control systems to enhance response speed and stability. Adjusting the brightness on a television screen offers a practical example of phase-lead control. When contrast is enhanced, a phase-lead controller is employed. Mathematically, phase-lead control is identified when the first parameter is smaller than the second.
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Time and frequency -Domain Interpretation of Phase-lag Control
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Phase-lag controllers are widely used in control systems to improve stability and reduce steady-state errors. A dimmer switch controlling the brightness of a light bulb serves as a practical example of phase-lag control, gradually adjusting the bulb's brightness. Mathematically, phase-lag control or low-pass filtering is represented when the factor 'a' is less than 1.
Phase-lag controllers do not place a pole at zero, but instead influence the steady-state error by amplifying any...
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