Pros and cons of replacing copper with optical in data-intensive AI systems.
AI is generating so much traffic that traditional copper-based approaches for moving data inside a chip, between chips, and between systems, are running out of steam. Just adding more channels is no longer viable. It requires more power to drive signals, and the distance those signals can travel without excessive loss is shrinking. Mike Klempa, product marketing specialist at Alphawave Semi, digs into the impact of linear pluggable optics (LPOs) and linear retimed optics (LROs), which increase the reach of signals with significantly less power, but at the price of higher complexity.
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