Perhaps it's a heat thing, plus the flip chips are in a separate space from the ... | Hacker News

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mmastrac on Dec 12, 2022 | parent | context | favorite | on: 100G-LR4 optic cable teardown

Perhaps it's a heat thing, plus the flip chips are in a separate space from the lasers.

adql on Dec 12, 2022 [–]

I'd guess it's wanting for laser frequency to not shift with temperature

pantalaimon on Dec 12, 2022 | [–]

The STM32 is not responsible for generating the laser frequency and will not produce much heat on it's own

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