用于800+Gb/s光链路的硅光子马赫-曾德尔调制器驱动器

2021 IEEE BiCMOS and Compound Semiconductor Integrated Circuits and Technology Symposium (BCICTS) Pub Date : 2021-12-05 DOI:10.1109/BCICTS50416.2021.9682484

Tie Sun, J. Rogers, Mike Rogers, I. Dedic, M. Parvizi, Ying Zhao, Li Chen, Long Chen, R. Aroca

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引用次数: 6

摘要

高波特率硅光子光学系统将为数据中心和远程应用提供下一代低功耗光模块。本文讨论了dac驱动器与调制器高速互连的重要性。提出了一种降低收发两路互连损耗的新方案。在此基础上，提出了一种新的低功耗驱动架构，该架构可为电带宽大于70GHz的硅光子马赫-曾德尔调制器提供超过4Vppd的功率。驱动器的总谐波失真(THD)性能是使用$100\Omega$差分负载测量的，在1GHz和5GHz的输出振荡<4Vppd时，THD性能优于5%。提供了光学眼图，误码率测量表明，在90GBaud 168Gb/s PAM4传输下，误码率优于3e-4。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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Silicon Photonic Mach-Zehnder Modulator Driver for 800+Gb/s Optical Links

High-Baud rate Si-photonic based optical systems will enable the next generation of low power optical modules for datacenter and long-reach applications. In this paper the importance of high-speed interconnect between DAC-Driver and modulator is discussed. A new solution to reduce the interconnect loss in both transmitter and receiver path is proposed. Furthermore, a new low power driver architecture is proposed which can deliver more than 4Vppd to a Si-Photonic Mach-Zehnder modulator with more than 70GHz of electrical bandwidth. The total harmonic distortion (THD) performance of the driver is measured using $100\Omega$ differential load and is better than 5% for output swings of <4Vppd at 1GHz and 5GHz. Optical eye diagram is provided and BER measurements indicate BER of better than 3e-4 for 90GBaud 168Gb/s PAM4 transmission.

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2021 IEEE BiCMOS and Compound Semiconductor Integrated Circuits and Technology Symposium (BCICTS)

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