Ciena vs POET Technologies

Ciena's primary segment is Networking & Systems; POET Technologies's is Photonics & Optics. Ciena is larger by market cap ($60.4B vs $1.2B). Ciena reports higher tracked revenue ($4.8B vs $1M).

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Side-by-side

CienaPOET Technologies
Market cap$60.4B$1.2B
Revenue$4.8B (FY2025)$1M (FY2025)
Primary segmentNetworking & SystemsPhotonics & Optics
Market positionmajorniche
CountryUnited StatesCanada
Tracked suppliers43
Tracked customers33
Chokepoint / criticality68/10050/100

Market caps/revenue from the wafergraph dataset · data as of 2026-10-09. Criticality is a graph-derived chokepoint score (0–100). Coverage is partial; "Unpriced" means no reliable market cap.

How Ciena and POET Technologies compare

  • Size: Ciena is the larger company by market cap.
  • Revenue: Ciena reports higher tracked revenue.
  • Supply-chain criticality: Ciena has the higher chokepoint score (68/100 vs 50/100).
  • Footprint: Ciena (United States) vs POET Technologies (Canada).

Company hubs

Ciena · POET Technologies · Distribution & Misc segment

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Cite as: wafergraph, “Ciena vs POET Technologies”, https://wafergraph.com/compare/ciena-vs-poet (data as of 2026-10-09).

Frequently asked questions3
Is Ciena bigger than POET Technologies?
Ciena is larger by market cap ($60.4B vs $1.2B).
What's the difference between Ciena and POET Technologies?
Ciena is a major in Networking & Systems based in United States; POET Technologies is a niche in Photonics & Optics based in Canada. Both operate in the Distribution & Misc segment.
Who are Ciena's and POET Technologies's suppliers?
wafergraph tracks 4 suppliers for Ciena and 3 for POET Technologies.