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数据中心互连的双通道OTDM系统:一项审查
Sunghyun Bae1, Hyeon-June Kim2
1Department of Electronics Engineering, Kangwon National University, Samcheok 25913, Republic of Korea.
Sensors (Basel, Switzerland)
|July 14, 2023
概括
使用多级脉冲振幅调制的具有成本效益的双通道光学时间分割多重复制系统可以实现>100 Gb/s的数据中心互连. 这种方法对散射具有稳定性,允许在1.9公里的200Gb/s传输.
科学领域:
- 光电学是指光电子产品.
- 光学通信是指光学通信.
- 综合光子学 综合光子学
背景情况:
- 高速的数据中心互连 (>100 Gb/s) 对现代计算基础设施至关重要.
- 传统的四通道光学时间分割复杂化 (OTDM) 系统需要昂贵的狭窄脉冲.
- 光学集成电路 (PIC) 的进步使集成发射器能够在实践中实现.
研究的目的:
- 审查数据中心互连的双通道OTDM系统的当前研究状况.
- 讨论未来的研究方向,以经济高效的高速光通信.
- 为了证明使用宽脉冲和多级调制实现200 Gb/s传输的可行性.
主要方法:
- 实施使用多级脉冲振幅调制 (PAM) 的双通道OTDM系统.
- 使用单个调制器生成宽脉冲,以实现成本效益.
- 使用相变脉冲来增强对色色分散的强度.
主要成果:
- 通过使用适度17.2 GHz带宽的调制器证明了200 Gb/s信号的生成.
- 通过1.9公里的标准单模光纤实现了200Gb/s的4级PAM信号传输.
- 这种双通道系统为传统的四通道OTDM系统提供了具有成本效益的替代方案.
结论:
- 具有多层 PAM 的双通道 OTDM 系统是未来> 100 Gb/s 数据中心互连的有希望的解决方案.
- 使用宽脉冲和相交替技术显著降低了系统成本,并提高了分散容忍度.
- 对PIC和调制方案的进一步研究可以为实际的,高容量的光通信系统铺平道路.
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