These 5 Optical Chip Stocks Are Cashing in on AI Data Center Bandwidth
The article highlights AI data-center optical demand across five public companies. POET (POET) expects to ship 30,000+ optical engines in 2026, funded by about $430M cash. Coherent (COHR) reports Datacenter & Communications revenue of $1.362B (+40.6% YoY). Fabrinet (FN) Q3 FY26 revenue $1.214B (+39.3%) and capex $63.8M (+121%). IPG Photonics (IPGP) Q1 FY26 revenue $265.5M (+16.6%) and authorizes a $100M buyback. nLIGHT (LASR) Q1 FY26 revenue $80.18M (+55.2%) and EPS beat.
How this was made
The 30-second read
Why it matters
Quantified quarterly results, guidance, capex, buyback authorization, and forward shipment milestones provide near-term inputs for estimate revisions and momentum trading across the optical stack.
Market read
Traders can use the specific prints, guidance, capex, and ramp milestones to adjust near-term positioning in AI optical infrastructure names.
What to watch
Optical ramps can be delayed by qualification cycles, yield, and hyperscaler design changes; capex signals capacity, but does not guarantee sustained utilization or pricing power.
Background
The piece frames AI datacenter bandwidth constraints as a driver for optical interconnect adoption and positions five photonics/optical supply-chain companies as beneficiaries.
Ticker impact
POET says it expects to ship more than 30,000 optical engines in 2026, with high-volume 800G production starting in Q3 2026.
Likely positive bias as traders price the 800G ramp and funded production capacity.
The article provides specific forward-looking production timing, order size, and cash funding, which are actionable for positioning, though it is still a promotional multi-stock piece.
Coherent reports Datacenter & Communications revenue of $1.362B, up 40.6% YoY, and guides Q4 FY26 revenue to $1.91B to $2.05B.
Moderately positive, with upside skew if the market extrapolates continued hyperscaler bandwidth spending.
The text includes multiple quantified results and guidance ranges, which typically drive near-term estimate revisions and trading.
Fabrinet’s capex nearly doubled to $63.76M YoY, alongside Q3 FY26 revenue up 39.29% YoY and EPS $3.72 beating estimates.
Positive bias, especially for traders targeting capacity-constrained optical supply chains.
The capex datapoint is a fresh operational signal, but the article does not provide new customer contract details beyond demand implication.
IPG Photonics reports Q1 FY26 revenue $265.5M up 16.6% YoY, emerging growth products at 53% of revenue, and authorizes a $100M buyback.
Mild-to-moderate positive, with potential volatility around buyback expectations and margin trajectory.
The buyback is a concrete capital return action, but the article frames datacenter photonics as a gradual option rather than a specific new contract.
nLIGHT posts Q1 FY26 revenue $80.18M up 55.2% YoY and non-GAAP EPS 22 cents vs 8 cents expected, with defense revenue nearly doubling.
Positive near-term momentum likely, given the magnitude of the EPS and revenue surprise.
The article includes quantified earnings beats, margin expansion, and defense segment growth, which are direct trading inputs.
Market effects
Reinforces the AI datacenter bandwidth bottleneck narrative and highlights optical supply chain leverage points (interposers, transceivers, manufacturing, fiber lasers).
Mentions Malaysia production ramp for POET, implying incremental manufacturing footprint and execution focus.
Supports global hyperscaler capex read-through into optical components and photonics manufacturing capacity.
Counterpoint
The article is a promotional multi-name watchlist; some “datacenter” linkages (especially for IPG and nLIGHT) are framed as optionality without new binding customer orders.
Key entities
- companyPOET Technologies
Optical interposer platform with stated 2026 optical engine shipment expectations and 800G ramp timing.
- companyCoherent
Merchant supplier of optical transceivers with datacenter segment growth and Q4 FY26 revenue guidance.
- companyFabrinet
Contract manufacturer for high-speed optical transceivers, with capex nearly doubling alongside revenue and EPS beats.
- companyIPG Photonics
Fiber laser and photonics company pivoting into emerging growth products, with a new $100M buyback authorization.
- companynLIGHT
Defense laser company reporting a large Q1 FY26 revenue and EPS beat, with margin and EBITDA improvement.
