Sequential Logic and Pipelining in Chip-Based Electronic-Photonic Digital Computing
Zhoufeng Ying, Chenghao Feng, Zheng Zhao, Jiaqi Gu, Richard A. Soref, David Zhigang Pan, Ray T. Chen · IEEE photonics journal · 2020
The recent rapid progress in integrated photonics has catalyzed the development of integrated optical computing in this post-Moore's law era. Electronic-photonic digital computing, as a new paradigm to achieve high-speed and power-efficient computation, has begun to attract attention. In this paper, we systematically investigate the optical sequential logic and pipelining in electronic-photonic computing, which together offer a solution to potential problems in latency and power budget as the size of electronic-photonic computing circuits scales up considerably to achieve much more complex functions. Pipelining and sequential logic open up the possibility of high-speed very-large-scale electronic-photonic digital computing.