azet @azet.org · Nov 26 1 / 4
the bandwidths for AI/ML workloads in cloud datacenters are unbelievable. Petabit/s+ per Rack, so 64x200G switch optics don't do the job anymore - naturally they started building on-die high-density WDM with 10Tbit/s: 64λ@200G per fiber www.youtube.com/watch?v=mrl8...
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2022: '[...] Dr. Bergman said, “Our recent work has shown how integrated silicon photonics with comb-driven dense wavelength-division multiplexing can scale to realize petabyte/s chip escape bandwidths with sub-picojoule/bit energy consumption.”' optics.org/news/13/8/40