高速光子模数转换技术及其集成化研究进展（特邀）

Progresses in High-speed Photonic Analog-to-Digital Converter and Its Integration

摘要:

光子模数转换技术是克服传统电子模数转换技术在采样速率、输入带宽、时钟抖动和比较器模糊等局限性的有效手段。光子模数转换技术为超宽带雷达、超高速示波器、大容量光通信等前沿应用的高速率、大带宽、高精度接收提供了有效解决方案。文章首先简要介绍了光子模数转换技术的技术途径分类及对比,然后重点介绍作者所在课题组围绕并行解复用光子模数转换系统开展的理论研究与应用研究工作。此外,分析了集成光子模数转换系统现状并展望了其未来发展思路和关键挑战。最后对全文进行了总结。

Abstract:

Compared with the traditional electronic analog-to-digital converter, the photonic analog-to-digital converter (PADC) has the advantage of high sampling rate, large bandwidth, low timing jitter and low comparator ambiguity. PADC provides an effective solution for high-speed, large-bandwidth, and high-resolution processing in ultra-wideband radar, ultra-high speed oscilloscope, high-capacity optical communication and so on. In this paper, different architectures of PADC are classified and compared. Then, the recent progresses of our group in channel-interleaved PADC are introduced. Besides, the status of integrated PADC are analyzed briefly and the main challenges of future integrated PADC are discussed.