通过使用更高阶的赫米特-高斯脉冲,在时间域中复杂化连贯光学传输
Optics express
|April 4, 2024
概括
我们介绍了自函数除法复杂化 (EDM),这是一种新的技术,使用更高阶的赫尔密特-高斯 (HG) 脉冲来提高数据传输能力. 这种方法可以在同一时间段内叠加HG脉冲,以增强光学通信.
科学领域:
- 光学和光子学 在光学和光子学.
- 量子力学就是量子力学.
- 信息理论 信息理论
背景情况:
- 传统的光学时域复杂化 (OTDM) 使用交错,限制容量.
- 高阶的赫尔米特-高斯 (HG) 脉冲提供了高级复杂化的潜力.
研究的目的:
- 引入和验证一种新的多重复合技术,称为自函数分割多重复合 (EDM).
- 通过叠加HG脉冲来增加总传输容量的可行性.
主要方法:
- 使用更高阶的赫尔米特-高斯 (HG) 脉冲,解决施罗丁格方程.
- 采用HG脉冲的时间域直角性来进行解复.
- 通过与相锁局部振荡器HG脉冲的光混合进行一致检测.
主要成果:
- 对EDM传输方案的数值和实验验证.
- 成功传输了四个不同的HG脉冲 (HG0,HG1,HG2,HG3).
- 通过使用3264 QAM在300450公里范围内实现了400480 Gbit/s的传输.
结论:
- 通过使叠加的HG脉冲,EDM显著增加了传输能力.
- HG脉冲的时间域直角性是有效解复的关键.
- 在未来的高容量光通信系统中,EDM是一个有前途的技术.
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