# Lumentum

Company ID: lumentum · public · HQ US

Lumentum makes optical transceivers at 400G/800G/1.6T and the laser chips inside them — EML, CW/DFB and VCSEL — used in data-center and AI interconnects, including external laser sources for co-packaged optics. Its 2023 Cloud Light acquisition added in-house optical-module manufacturing for hyperscale customers.

Listings: LITE (US, primary)

Last price: 956.14 USD (2026-08-28T02:17:39Z, nightly snapshot)

## Parts made

| Part | Layer | Role | Confidence |
|---|---|---|---|
| Optical transceivers (3.04) | 3 | manufacturer | inferred |
| Lasers (3.06) | 3 | manufacturer | inferred |
| DCI / coherent optics (3.12) | 3 | manufacturer | inferred |
| External laser sources (3.08a) | 3 | manufacturer | inferred |