Efficient Optical Power Delivery System for Hybrid Electronic-Photonic Manycore Processors.
2020
A lot of efforts have been devoted to optically enabled high-performance communication infrastructures for future manycore processors. Silicon photonic network promises high bandwidth, high energy efficiency and low latency. However, the ever-increasing network complexity results in high optical power demands, which stress the optical power delivery and affect delivery efficiency. Facing these challenges, we propose Ring-based Optical Active Delivery (ROAD) system, to effectively manage and efficiently deliver high optical power throughout photonic-electronic hybrid systems. Experimental results demonstrate up to 5.49X energy efficiency improvement compared to traditional design without affecting processor performance.
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