The Optical Arms Race Is Accelerating — And the Supply Chain Is Starting to Reflect It

Wall Street found religion on photonics last week, and the sermon was loud.

Jim Cramer went on Mad Money last Thursday and called it straight: the "buy hardware, sell software" trade has returned in full force. "I'm talking about the enterprise software empire that's being toppled by hardware stocks and AI," Cramer said. "This war in tech, more than the actual war in Iran, has captivated Wall Street." He pointed specifically to chip and infrastructure players — naming Marvell Technology (NASDAQ: MRVL) as a winner — while Salesforce and Adobe got wrecked in the same session.

Cramer isn't always early. But when he's directionally right on a theme that's been building for months, it's worth understanding what's underneath the trade he's describing.

What's underneath it is optical interconnects. The plumbing of AI.

What's Driving the Sector Right Now

Marvell Technology (MRVL) got double-barreled upgrade firepower last week. Barclays analyst Tom O'Malley upgraded the stock to Overweight and raised his price target to $150 from $105 — a 43% increase — on the back of channel checks showing optical port volumes are on pace to roughly double in 2026 and again in 2027. Citigroup followed with its own Overweight upgrade the same week, citing the same thesis. Published sell-side coverage on MRVL now runs between 23 and 36 Buy ratings against zero Sells — a level of one-sided bullishness rare for a $110 billion semiconductor name.

The backdrop: NVIDIA committed a $2 billion strategic investment in Marvell at the end of March, folding the company into the NVLink Fusion ecosystem across custom silicon, optical DSP, and silicon photonics. The bull thesis is no longer just "AI chip company." It's been reframed as an optical interconnect company first — and the market is repricing accordingly.

Applied Optoelectronics (AAOI) has been one of the more striking moves in the sector. Shares climbed from roughly $10 in early 2025 to an all-time high near $155 in April 2026, representing gains of more than 1,140% over twelve months. The fuel: a pair of massive hyperscale orders — a $53M order for 800G transceivers and a $200M+ order for next-generation 1.6T transceivers, believed to be from Oracle and Microsoft. Management is projecting full-year 2026 revenue exceeding $1 billion — more than double fiscal 2025's $455 million. Rosenblatt carries the street-high price target at $140.

Are These the Best AI Infrastructure Stocks Right Now?

Lightwave Logic (LWLG) is the pre-revenue disruptor in the mix. Back in March, shares surged 41% on a single announcement: a definitive agreement with Tower Semiconductor to integrate LWLG's 110 GHz+ electro-optic polymer modulators into Tower's high-volume PH18 silicon photonics platform. For a company that Wall Street long treated as a long-duration science project, that was a credibility watershed. By April 10, LWLG's one-year total return stood at 939%.

Three different companies. Three different business models. Three different risk profiles. One common driver: the AI data center buildout is creating sustained demand for the optical layer — the infrastructure that connects GPUs to each other, racks to racks, and data centers to the world.

Why This Is Happening Now

The physics are catching up with the ambition.

In early 2025, data center operators reported that interconnects were consuming nearly 30% of total cluster power. At 224 Gbps signaling speeds, the reach of traditional passive copper cables has shrunk to less than one meter. The "Copper Wall" is no longer theoretical. It's a live operational constraint that hyperscalers are spending billions to solve.

The industry's response — co-packaged optics (CPO), 800G transceivers, 1.6T modules, and silicon photonics at the chip level — is the multi-year buildout that's re-rating every company in this layer of the stack.

Cramer's "Buy Hardware, Sell Software"

Marvell predicts its interconnect business will grow more than 50% in fiscal 2027. Data center revenues grew 46% in fiscal 2026 and crossed $6 billion as hyperscalers, AI data centers, and high-performance computing clients increased investment.

The bottleneck isn't compute anymore. It's the speed at which compute can talk to itself.

Best Optical Stocks To Watch Now?

MRVL is a $110 billion company. AAOI has done 11x from its lows. LWLG is approaching $2 billion in market cap on the strength of its commercialization pipeline.

Each of those moves reflects a different piece of the optical buildout story. And each raises the same underlying question: which architecture wins as the industry scales toward co-packaged optics and 1.6T deployment?

Enter POET Technologies (NASDAQ: POET).

The framework: NVIDIA is the brain. Marvell is the nervous system. POET is the synapse.

POET's Optical Interposer platform integrates lasers, modulators, and electronics on a single chip-scale platform — eliminating the complex assembly steps that drive up cost and power consumption in conventional optical modules. Where AAOI assembles transceivers from discrete components and LWLG is working to replace silicon modulators with polymers, POET is attacking the architecture itself. It's a fundamentally different approach to how the optical layer of AI infrastructure gets built at volume.

The company has moved past the development stage. POET has production orders on the books, partnerships with Foxconn and LITEON that open direct pathways into hyperscale supply chains, and over $300 million in cash — runway to execute through commercialization without dilution pressure. The company targets over 30,000 unit shipments in 2026, with high-volume production beginning in Q2. That's a production ramp, not a slide deck.

The same sector dynamics lifting MRVL to all-time highs, driving AAOI past $150, and re-rating LWLG from science project to foundry partner are the same dynamics at work in POET's business. Investors building attention in the optical infrastructure buildout have a clear rationale to understand where POET sits in that stack.