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Optical suppliers / cloud-light

Cloud Light

Hong Kong (now part of Lumentum)

Primary speed / form
800G — OSFP / QSFP-DD
Datacom market share
n/a — share attribution not meaningful for this supplier (see notes)
1.6T transition status
Unknown
Tech route
EML transceiver modules — now Lumentum's module arm
Key customers
NVIDIA (via Lumentum)
Notes
Acquired by Lumentum for $750M (completed Nov 2023); >90% of its >$200M revenue was 400G+ and over half was 800G at acquisition. No longer an independent vendor — share is attributed to Lumentum, so it is left blank here rather than estimated.

Sources

What changed

  • 2023-11-08Acquisition by Lumentum completed ($750M); now Lumentum's transceiver-module business.

How these numbers are sourced →