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相关概念视频

Clipper Circuit01:18

Clipper Circuit

438
A clipper circuit is a fundamental wave-shaping device that harnesses the unique properties of diodes to alter and control waveform characteristics. This technology is widely used in electronic devices, especially in television and radar communication systems, where it enhances waveform modulation in both transmitters and receivers.
The operation of a clipper circuit can be exemplified by analyzing a dual-clipper configuration setup that integrates two ideal diodes, each paired with a biasing...
438

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经过修改的SiP单极化CADD接收器

Jingchi Li, Zhen Wang, Xingfeng Li

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    此摘要是机器生成的。

    本研究介绍了一种新光子接收器,可显著提高数据传输效率. 修改后的载体辅助差分检测接收器在成本敏感的应用中实现了创纪录的电谱效率.

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    科学领域:

    • 光子学和光学通信技术
    • 集成光学 集成光学 集成光学
    • 信号处理 信号处理

    背景情况:

    • 在有限的带宽下提高数据速率对于成本敏感的应用程序至关重要.
    • 传统的载体辅助差分检测 (CADD) 接收器由于其传输功能而存在电谱效率 (ESE) 限制.
    • 低成本,高ESE收发器对于现代光学网络来说是非常可取的.

    研究的目的:

    • 展示一个改进的光子 (SiP) CADD接收器,具有增强的电谱效率 (ESE).
    • 改进CADD接收器的传输功能,以实现更高的数据速率.
    • 为了降低高性能光学接收器的成本和足迹.

    主要方法:

    • 通过引入额外的并行延迟路径来修改CADD传输函数.
    • 使用互补的金属氧化物半导体兼容SiP集成.
    • 使用280Gb/s 16-QAM OFDM信号在80公里单模光纤上传输的实验验验证.

    主要成果:

    • 在16-QAM格式的集成单极化直接检测接收器中实现了6.2 b/s/Hz ESE的记录净值.
    • 展示了一个改进的SiP CADD接收器,具有更尖的传输函数斜率.
    • 成功检测到226-Gb/s净数据速率信号,比特误差比低于24%的SD-FEC值.

    结论:

    • 修改后的SiP CADD接收器为单极化系统的ESE提供了显著的改进.
    • 这项技术可以在具有成本敏感性和带宽有限的应用程序中实现更高的数据速率.
    • 整合SiP技术降低了成本和足迹,使其适合实际部署.