200 Gb/s per Lambda

200 Gb/s per Lambda Optical: Why, When, and How?


Ilya Lyubomirsky, Inphi Corp. and Xiang Zhou, Google

IEEE 802.3 NEA Ad Hoc, Hawaii, Nov. 2019

200 Gb/s per Lambda optical modules will be needed in 3-4 years. Applications will include 800G FR4 and 800G DR4. Lower optical module cost is a major driver for 4x200G vs. 8x100G. Advancements in DAC/ADC, DSP, and optical component technology are on pace to support 200G per lane.

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