Institute of Electrical & Electronic Engineers
As application complexity continues to increase, Multi-Processor Systems-on-Chip (MPSoC) with tens to hundreds of processing cores are becoming the norm. While computational cores have become faster with each successive technology generation, communication between them has become a bottleneck that limits overall chip performance. On-chip optical interconnects can overcome this bottleneck by replacing electrical wires with optical waveguides. In this paper, the authors propose an Optical Ring Bus (ORB) based on-chip communication architecture for next generation MPSoCs.