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超宽带模式 (De) 在薄膜酸平台上的多重处理器采用相位控制理论
Kun Yin1,2, Wenting Jiao2, Lin Wang2
1School of Mechanical Engineering, Zhejiang University, Hangzhou 310007, China.
Micromachines
|September 28, 2024
概括
研究人员开发了一种新方法,用于在光通信系统中转换宽带模式,使用薄膜酸在绝缘体 (LNOI) 平台. 这种方法有效地减轻了高阶模式的定向合器 (DC) 的分散问题.
科学领域:
- 光子学 是一个光子学.
- 光学通信是指光学通信.
- 集成光学 集成光学 集成光学
背景情况:
- 模式 (解) 复用器 (MDM) 对于高容量通信至关重要.
- 定向合器 (DC) 结构可以实现模式转换,但面临着宽带分散的挑战,特别是对于高阶模式.
研究的目的:
- 为了减轻MDM宽带模式合的分散挑战.
- 在LNOI平台上使用新型设备架构实现高效的宽带模式转换.
主要方法:
- 利用相位控制理论来设计一个定制的反分散部分.
- 将这个部分集成到薄膜酸在绝缘体上的 (LNOI) 装置中.
- 在模式合期间抵消小相位移.
主要成果:
- 在300nm波长范围内实现了从TE0到TE1和从TE0到TE2的宽带模式转换.
- 保持在 -0.68 dB (TE1) 和 -0.78 dB (TE2) 以下的最大偏差.
- 显示出非常低的交叉声,达到-26dB.
结论:
- 拟议的反分散方法有效地解决了基于直流的MDM中的宽带分散问题.
- 该LNOI平台使高性能,低交叉声频的宽带模式转换器成为可能.
- 这项技术对推进高容量光通信系统充满希望.
相关概念视频
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The design of phase-lead control involves the strategic placement of poles and zeros to balance steady-state error and system...
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