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在265mVpp的-有机混合 (SOH) 马赫-泽恩德调制器的112 Gbit/s PAM4操作中,没有线性驱动放大器
Optics express
|November 11, 2025
概括
我们开发了一种-有机混合马赫-泽恩德调制器,它使用低CMOS电压以112Gbit/s的速度运行,从而消除了光学收发器中RF放大器的需求.
科学领域:
- 光子学 是一个光子学.
- 材料科学 材料科学 材料科学
- 电气工程 电气工程
背景情况:
- 传统上,光学收发器需要复杂的放大阶段.
- -有机混合 (SOH) 技术为集成光子设备提供了潜力.
- 从CMOS信号直接驱动光学调制器是一个关键的挑战.
研究的目的:
- 为了演示一个SOH Mach-Zehnder调制器,它能够从CMOS SerDes芯片直接驱动.
- 为了在最小的驱动电压下实现高数据速率.
- 为了为简化和高效的光学收发器铺平道路.
主要方法:
- 光学包装的-有机混合Mach-Zehnder调制器制造.
- 使用行业标准的CMOS SerDes芯片进行直接驱动测试.
- 在112 Gbit/s使用PAM4信号的性能评估.
主要成果:
- 演示了一个由CMOS SerDes直接驱动的SOH马赫-泽恩德调制器.
- 实现了112 Gbit/s的PAM4数据速率.
- 观察到的超低的峰值到峰值驱动电压波动下降到265mVpp.
结论:
- 开发的SOH调制器可以在没有射频放大器的情况下直接进行CMOS级驾驶.
- 这代表了朝着简化,高效的光学收发器的重大进步.
- 未来的收发器可以在低于500mVpp的CMOS驱动信号下高效运行.
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