What Ciena makes for data centers
public
Ciena is a publicly listed company. It appears on 1 part of the AI data center — DCI / coherent optics — in the role of manufacturer. That part sits in Layer 3 — Networking & interconnect. Its shares trade on US exchanges (NYSE/Nasdaq) as CIEN.
Listing
US exchanges (NYSE/Nasdaq): CIEN· 320 USD +0.02% · mkt cap 45.4B USD
Snapshot 2026-10-26T10:41:15Z — nightly, not real-time.· Chart on TradingView ↗
Exposure
1 part across 1 layer
No disclosed data-center revenue share on file.
Parts, by layer
Layer 3 — Networking & interconnect
Where Ciena sits in the stack
Ciena's placements in this catalog cover 1 part, all in layer 3, networking & interconnect. None of them currently carries a sourced supply constraint tag. Across these parts it overlaps with other companies most often on the lines below.
What these parts are
- DCI / coherent optics — Coherent optical systems that carry data center interconnect (DCI) traffic between buildings on a campus or between metro sites, distinct from the shorter-reach optics inside a data hall.
Closest peers in this catalog
Disclosed customers
| Customer | % | Metric | Period | Filing |
|---|---|---|---|---|
| largest customers (combined) | 50% | revenue | 2025-11-01 | 10-K |
Latest feed
- Openreach taps Ciena for 1.6Tbps WaveLogic 6 technology — Data Center Dynamics, 2026-10-07Openreach has selected Ciena's WaveLogic 6 technology to support 1.6Tbps coherent optical networking for its infrastructure.
- Flag to deploy Ciena's Waveserver platform on Echo subsea cable — Data Center Dynamics, 2026-09-21Flag plans to utilize Ciena’s Waveserver platform to launch new 400GbE and 800GbE services over its Echo subsea cable.
- Ciena launches VC fund to back next-gen networking startups — Data Center Dynamics, 2026-09-15Ciena launched a $200 million venture fund to support next-generation optical interconnect startups.
Questions about Ciena
- What does Ciena make for AI data centers?
- This catalog places Ciena on 1 part: DCI / coherent optics (manufacturer).
- Is Ciena publicly traded?
- Yes — Ciena is listed on US exchanges (NYSE/Nasdaq) under CIEN. Prices shown on this page are a nightly snapshot, not real-time, and nothing here is investment advice.
- Who else makes DCI / coherent optics for AI data centers?
- Adtran, Cisco, Coherent, Lumentum, Marvell and Nokia are also placed on DCI / coherent optics in this catalog.
- How well sourced are these placements?
- Every part→company placement carries a confidence tag. For Ciena the mix is 1 inferred. "disclosed" means the company or a filing says so; "reported" comes from trade press or a reference-design list; "inferred" is a lead from the taxonomy with no citation yet. Treat reported and inferred as leads, not facts.
Answers are generated from this catalog's own rows — see sources & method.